Experiments With The Electric Light At Liverpool.
- Last week a series of experiments were made with the electric light at the George's pier head, Liverpool. The experiments were carried out by the British Electric Light Company (Limited), who erected a shed for the accommodation of the necessary engine for the generation of the electric power, and placed above the ordinary triple lamp facing the floating bridge leading to the landing stage a large lantern, in which were two burners. The generator was one of the Gramme machines, and the motive power was supplied by one of Messrs. Cochrane and Co.'s multitubular boilers and vertical engines. A very brilliant ray of light was thrown along the floating bridge, and, notwithstanding the somewhat hazy state of the atmosphere, penetrated far over the river, proving beyond doubt the utility of the light either for signalling or for penetration of fog. The effect upon the ordinary gas lamps in the vicinity was very peculiar; the burners appeared as dim as rushlight candles, and, excepting in the immediate rays of the electric light, the locality seemed to be enshrouded in gloom. The management of the experiments was under the care of Mr. Radcliffe Ward, electrical engineer to the British Electric Light Company and Mr. Alderman Hubback, the chairman of the company.
The Electric Light On Shipboard. - The Pacific Steam Navigation Company have begun to use the electric light in the illumination of the saloons on board their steamers. The light was tried in the saloon of the new steamship Mendoza, belonging to that company, as she came round from Liverpool to Glasgow, a simple gramme machine and service lamp, employed for the illumination of Messrs. Napier Brothers' boiler-shop, being used for the occasion. The satisfactory result of this trial is now manifest by the fact that the Pacific Company have entrusted the British Electric Light Company with the work of fitting two electric lights, produced by means of Blandy's patent, from one small gramme machine, in the saloon of the Mendoza. This ship is intended for service on the West Coast of South America. The particular method of applying the light, which has been selected by Mr. Radcliffe Ward, the electrical engineer to the British Electric Light Company, is by reflection from special reflectors in the ceiling of the saloon. The result is a beautifully diffused soft light that effectively exhibits the tasteful painting of the saloon panels. On Saturday several of the directors of the Pacific Steam Navigation Company, with some friends, had lunch on board. The shutters of the saloon were closed, and the electric light was used to illuminate the apartment throughout lunch, with the exception of a few minutes when it was turned out to show the marvellous difference between it and the usual candle-light, which involves about double the expense of the electric light. The success of the light on board the Mendoza will probably lead to the adoption of similar lighting on board all the principal ocean steamships. The illumination of the state rooms in the incandescent system, in one form or other, is likely to be accomplished before long. The boon to passengers of being able to turn on a bright settled light at desire will be very great. In this case the light will be placed in globes hermetically sealed.
MACHINES OR GENERATORS.
For high electro-motive force another type of Gramme machine has been designed by Mr. Radcliffe Ward, and is largely employed in this country. It resembles the original pattern with a very much larger bobbin; also the field magnets are flat instead of being circular.
It is usually excited by a smaller size separate machine, when from four to six arc lights of 4000 nominal candle power each can be easily maintained. For six lights 12 horse power is required, the machine making 1000 revolutions per minute.
Electric Tramway Cars.
The first application of electricity to the driving of tramcars in this country was lately made at the North Metropolitan Tramway works, Leytonstone. The car was fitted with a large number of Faure accumulators, ranged under the seats and communicating with a motor underneath, which, in its turn, by means of pinion-wheels, acted upon the wheels of the car. The accumulators having been charged at a dynamo-machine in the company's yard, a number of ladies and gentleman who had been invited to witness the experiment mounted upon the car and had a few runs with it up and down a quarter of a mile of tramway in Union-road, to the amazement of the inhabitants, who, for the first time in their lives, saw a tramcar full of people traveling at the rate of 7 or 8 miles an hour without any visible motive power. As proving the applicability of electric force to locomotion, the experiment was an undoubted success. The accumulators, which weighed a ton and a half, exerted, with one charging, a force equal to that of twenty-five horses for one hour - that is to say, five horses for five hours, and so on. In other words, the car could have run with its full number of passengers for half a day, with an ample allowance for waste of energy. The objection to this system, as at present carried out, rests on two grounds - first, that the car with its load of accumulators weighs as much as five tons; and, secondly, that the pinion-wheels make a loud grinding noise, such as seriously to incommode the public. Both these defects the promoters hope to be able to remedy by attaching the motor, which is practically a dynamo machine reversed, direct to the axle, thus dispensing with pinion-wheels and reducing friction. The attachment of the motor direct to the axle would necessitate in the case of tramcars the use of driving-wheels small enough to make a large number of revolutions per minute with a low rate of progression. In the case of railway trains it would enable a very high rate of speed to be attained - probably 100 miles an hour - with driving-wheels of moderate size. The promotors are sanguine enough to believe that at no distant day they may be able also to introduce electric cabs and omnibuses guided like velocipedes. All vehicles driven by electricity could, of course, with a little additional expenditure of force be lighted by the same means. It only remains to add, with reference to the electric tramcar, that it can be worked, started, stopped, and reversed by the moving of a small switch-handle, and that the promoters calculate upon being able to work tramways with electricity at one-half the cost of horse power. The experiment was carried out by Mr. Radcliffe Ward on behalf of the Faure Accumulator Company.
- The Railway Times, London.
Abstracts of Specifications.
2538. Electric And Magnetic Brakes, &c.,
M. R. Ward, London. - 10th June, 1881. 6d.
The inventor does away with brake blocks, and employs a dynamo-electric machine for each carriage, the machine being connected with and put in motion by an endless band or other gearing from the axles of the carriage. These machines are so arranged that when the circuit in which they are included is closed, the action of the electric energy produced will retard the motion of the train. When the circuit is not closed the dynamo machine will revolve freely, and give out a current which may be utilised to produce heat, light, or to charge secondary batteries, which in turn shall feed excentric lamps.
NEW COMPANY REGISTERED.
Pyramid Electric Company (Limited).— Capital: £80,000, in £1 shares. Objects: To purchase for £6,000 in cash and £16,000 in fully paid deferred shares the electric inventions of William B. Brain and Radcliffe Ward, and the business carried on by the former under the style of the Electric Blasting Apparatus Company in the Forest of Dean, Gloucestershire. Signatories (who take one share): W. B. Brain, Cinderford; R. Ward (electrical engineer), 7, Northumberland Street, Strand; A. L. Foster, East Hill, Wandsworth; T. S. Collins, Ross, Hereford ; R. Ferguson, 7, Oxford Terrace, W.; B.Le Neve Foster, East Hill, Wandsworth ; C. W. Parkes, 11, Queen Victoria Street. Directing qualification: £300 of nominal capital. Remuneration: £21 for each meeting, to be divided as the directors may determine. Registered 29th ult. by Charles Doubble, 14, Serjeant's Inn, Fleet Street.
The directors of the Metropolitan Brush Electric Light and Power Company, Limited, have appointed Mr. Radcliffe Ward, formerly chief electrical engineer to the British Electric Light Company, Limited, to be chief electrical engineer to the company.
Alteration Of A Patent. - Notice has been given that Michael Radcliffe Ward has applied to the Commissioners of Patents for leave to file a disclaimer and memorandum of alteration of certain parts of the specification and title of his patent (No. 539, January 31, 1883) for "Improvements in or connected with tram, rail, and road cars, and other vehicles, and in machinery for driving the same by electricity." Any person intending to oppose such application must leave particulars in writing of their objections to such proposed disclaimer and memorandum of alteration with the Attorney-General's Clerk of the Patents, at Room No. 549, in the Royal Courts of Justice, London.
Electricity versus Compressed Air. - Mr. Radcliffe Ward writing to the Pall Mall Gazette, in answer to Colonel Beaumont, says : - " The Leytonstone trials were arranged for and carried out by me with a purely experimental car brought from Belgium by Mr. Philippart. Colonel Beaumont must know perfectly well that the lumbering, heavy Leytonstone car by no means represents the existing electrical appliances obtainable even in the open market. Colonel Beaumont has no foundation, in fact, for making the statement that the efficiency was 1 per cent, of the initial power. Those who know anything of the subject are aware that this is an absurd statement to put forward to damage electricity as compared with compressed air. For those who do not understand, let me observe that both electricity and compressed air as applied to tramway work, act as reservoirs for energy produced from an extraneous source - say a stationary steam engine. Now, compressed air appliances are both more costly and weigh more than electrical appliances for a given power stored and operated. I believe that Colonel Beaumont claims to run eight miles with one charge on a moderately level road; an electric car has actually run 20 miles in Paris over various grades with one charge. Yet the compressed air car represents the work of years and much money spent on developing it; only a comparatively small amount of time and money has been given to the electric car, yet it already runs more than double the distance. However possible, from a purely mechanical point of view, it may be to work the underground trains by ponderous compressed air engines, such cannot compete for economy with an electric system with electric engines and accumulators."
The Electric Locomotive and Power Company, Limited.
Although I hope I may yet be spared the necessity of causing retardation of electric traction work any where along the line, the prospectus of the Electric Locomotive and Power Company, Limited, compels me not to remain quiescent.
The advantages claimed for Mr. Elieson's patent by many Press notices, are fully described in my patent of January 31st, 1883, and numbered 539 and 530*.
Mr. Elieson's patent is dated nearly a year and a half later than mine, viz, June 6th, 1884, and numbered 8,654.
I, however, do not wish the electrical world to think that I give the motor a movement of running round a table, as I should know very well that the additional power required for that purpose would be pure and unnecessary loss; enough to make all the difference probably in many cases of the possibility of competing with other methods of traction.
I have had to give formal notice, through my solicitors, to the Electric Locomotive and Power Company, Limited, that Mr. Elieson's patent infringes mine.
The electric field is large enough for us all; one man develops one point, one another.
10a, Great Queen Street, Westminster, B.W., October 20th, 1886.
To the Editor of Engineering
Sir, - In Engineering of 2nd March, page 214, in Mr. William Geipel's paper read before the Institute of Mechanical Engineers, occurs this passage (speaking of accumulators as applied to electric traction): "The problem was first attempted by Mr. Reckenzaun."
It is in no spirit-grudging praise to a fellow worker that I write this; those of us who have been pioneers in electrical locomotion can well afford to be accurate in the history of the various events forming historical epoques.
Mr. Geipel has made a mistake; so far as this country is concerned, the first electric street car work was done at the beginning of 1882 on the North Metropolitan Tramways, under arrangements with that company made by me, and under my supervision. Some very important points were then ascertained in connection with accumulators on street cars. Reference to these trials was made in the press early in March, 1882.
It was in the spring of the year following that the Electrical Power Storage Company was operated at Kew.
But before even 1882, i.e., in 1881, M. Phillipot on the Continent had had cars running. No one conversant with the events succeeding the advent of the Faure accumulator can forget how much both accumulators and consequently traction owe to M. Phillipot's energy and foresight. The first car run in this country was built abroad, and due to his work.
Your obedient servant,
London, April 3, 1888.
PROVISIONAL PATENTS, 1888.
6927. Improvements in electrically propelled vehicles, and appliances connected therewith. Michael Radcliffe Ward, 55, Chancery-lane, London, W.C.
6988 Improvements in the method and means of supplying electrically-worked vehicles with fresh sets of accumulators or equivalent sources of electricity. Michael Radcliffe Ward, 55, Chancery-lane, London, W.C.
London, June 27, 1888.
The Electric Lighting of Trains.
The electric lighting of railway carriages, as carried out by the Great Northern Railway Company, has made considerable progress. The arrangement adopted is designed by Mr. Radcliffe Ward, and consists of a dynamo and set of accumulator cells which are carried in the guard's van. The dynamo is driven from the axle of the van through a special gearing device of Mr. Ward's by which the direction of rotation of the dynamo is constant and independent of the direction in which the van is moving. The light meets with much appreciation from the passengers.
NEW COMPANIES REGISTERED.
WARD ELECTRICAL CAR COMPANY (LIMITED). - This company was registered on the 2nd inst., with a capital of £300,000 in £10 shares, to carry on business as electrical and mechanical engineers, carriage builders, railway, tramway and road proprietors. An unregistered agreement of 1st inst., between Michael Radcliffe Ward and A. A. Mackintosh, will be adopted. The subscribers are :-
J.W.Oxley, 29, Muriel-street, N., shorthand writer...... 1
H.Mayor, 9, Bridgewater square, E.C., shorthand writer.. 1
L.H.Benjamin, 29, Sandringham-road, E., clerk........... 1
A.V.W.Capps, 18, Kelvin-road, N., shorthand writer...... 1
A.W.Wells, Greenhill-park, Harlesden, accountant........ 1
J.B.Lawson, 30, Cambridge-street, S.W., assist.secretary 1
The number of directors is not to be less than 3, nor more than 7; the subscribers are to appoint the first, and act ad interim; qualification, 50 shares; remuneration, £2,000 per annum.
THE ELECTRIC MOTOR.
Omnibuses driven by power from accumulators are said to be running for conveyance of passengers in Paris. A London paper in referring to this subject says: Some day soon we may have electric omnibuses plying in the streets of London; indeed, an experimental 'bus may occasionally be seen making a journey in the evening in some of the West End streets. The vehicle is the invention of Radcliffe Ward, who has been connected wiih several electric companies. The electric 'bus, to carry 12 persons and the engineer, costs about 20 per cent. more than an ordinary horse omnibus, but the expense of working and maintenance is said to be 50 per cent. less.
THE ELECTRIC MOTOR.
A London paper says: "The Ward electric omnibus is often to be seen on its peregrinations in the early or late hours. It is said to be the only one in the world actually at present able to run on the ordinary streets without rails, and taking its place among other vehicles drawn by horses. The electric omnibus said to be running in Paris turns out to be a tramcar, and not a true omnibus. The Ward electric omnibus, however, is meant to take its place without preparation of the roads, and has now been tried on all sorts of road to be met with on London streets - macadam, paved, asphalt, wood blocks, etc. - and has been successfully run upon the most difficult up and down hill grades on which vans are run in London." The London Electrician says of the vehicle: "Until we have taken an opportunity to inspect Mr. Radcliffe Ward's 'electric omnibus' we do not care to express a definite opinion upon its merits. It may be a feasible idea so long as it is only proposed to run on asphalt roads without serious gradients. But what will the authorities say? Will not the red flag clause come in? Anyhow, we think it is a great deal too bad of the daily papers to insert such solemn foolery on the subject as has been going the rounds this week. After recounting in great detail the route taken in a trial run, the newspapers assure us that 'This is the only electrical omnibus in the world capable of steering to right and left.' They omit, however, to state that it is also capable of standing still, of turning round, and even of running backward! Truly this is a marvelous age!"
A licence, the first of the kind issued, has just been granted to the inventor of the electrical omnibus, Mr. Radcliffe Ward, of the Ward Electrical Car Company, Limited. It is claimed for the electrical omnibus that it is worked much more economically than with horse-power, and that drivers will have a much easier and more comfortable task.
THE ELECTRICAL OMNIBUS.
Some experiments have recently been made at the West-end with an electrical omnibus, and these have been pretty generally pronounced as highly successful, a good rate of speed having been attained, and perfect control secured over the vehicle during its passage through the crowded thoroughfares. The invention is that of Mr. Radcliffe Ward, who for many years past has been associated with electrical undertakings, and who superintended the trial trips which were made some time ago with the electrical tramcars on the North Metropolitan tramways. Should Mr. Ward's latest invention perform all that is required of it - of which there seems little or no doubt - its adoption for various kinds of vehicles will work a thorough revolution in our street traffic, aud at the present juncture one cannot help reflecting upon the fact that when horse-power is dispensed with a vast amount of suffering will be spared the equine race, which daring the prevalence of heavy snowstorms and keen frosty weather has great and untold hardships to contend with. Looking at the matter on the score of economy, which of course is one of its most important bearings, it appears that electrical omnibuses, similar to Mr. Radcliffe Ward's invention, can be worked at about half the cost of those of our great metropolitan companies. With economy it couples safety, ease, and convenience, and a rate of speed equal or superior to that which is now attained by horse traction. But Mr. Ward's invention is likely to prove very generally useful, as it can be applied to cabs, railway goods and parcels vans, dust carts, and other vehicles of the kind. It is thought in particular by the inventor that our great railway companies would effect a large saving by the adoption of electrical vans, and already, it is understood, Mr. Ward has been in communication with all the chief managers in the United Kingdom and abroad. It would seem indeed that the day is not far distant when vehicles with electricity for their motive power will be brought pretty generally into use. Of course at first there will probably be some slight prejudice against them, but the sceptical should bear in mind that in the early days of steam the outcry against the new motive power was loud and incessant, and a no less distinguished person than the late Lord Derby asserted with due gravity that he would swallow the first steamship which crossed the Atlantic! During a recent visit to the premises of the Ward Electrical Car Company (Limited), in James street, Haymarket, an opportunity was afforded of inspecting the building of the first electric goods cart, the contract for which has been handed over by Mr. Ward to the company. It should, moreover, be mentioned that the company possesses many valuable patents. The importance of this new development of electricity cannot be overestimated, and that the Ward Electrical Car Company (Limited) has a valuable property in its hands there can be no question. Indeed, it would almost seem that a new era is dawning, when horse traction with its many inconveniences, its costliness, and other drawbacks, will be in a great measure superseded by the introduction of vehicles propelled by electricity and steered and directed with the utmost nicety and precision.
AN ELECTRIC OMNIBUS.
In the year 1881 the introduction of the Faure accumulator rendered possible the application of stored electrical energy to the purposes of tramway work, and the first electric car made was run by Mr. Radcliffe Ward on the Leytonstone line in 1882. M. Philippart, who had the introduction of the Faure battery on his hands, conceived the idea of applying it at once to tramcars, and arrangements were made with Mr. George Richardson, then chairman of the North Metropolitan Tramways Company, to experiment on the Leytonstone line. M. Philippart had this, the first electric car, constructed in Belgium and sent over to England, and the working of the car was in the hands of Mr. Radcliffe Ward. Numerous experiments were made, and some fundamental patents in variable-speed gearing, and details of the construction, which became evident on application in practice, were taken out by Mr. Ward. These experiments were only abandoned because of the unsatisfactory condition commercially of the only storage battery on the market. Some little time after, he started the construction of a car to run over the ordinary roads, but again, owing to the difficulty of obtaining good accumulators, this was dropped. In the early summer of 1887 he built an electric cab which was exhibited and run on the roads at Brighton, and it was about this time that Mr. Magnus Voik also built his electric dog cart, which was described in the illustrated papers, and there excited the attention of the Sultan of Turkey, for whom Mr. Volk has recently constructed a similar vehicle.
In the summer of 1888 the first electrical omnibus commenced to make runs over the London streets in the early morning hours. This omnibus is not of the type that will be used for running, for which purpose a model omnibus will be designed, and special cells ordered to fit this. In the present case the best storage cells obtainable for the purpose were used, and the omnibus built to carry these, and the vehicle is as appears in the illustration. Many experiments have been made with this omnibus on all sorts of roads, and under varying conditions, and Mr. Ward is now in the position of knowing experimentally exactly what tractive power is necessary for driving vehicles on ordinary roads - a matter of the utmost importance in the design and working of electric vehicles of this kind, and which has until now been more or less problematical.
From time to time we have had a note about the working of the electric omnibus, and have watched with interest its progress, knowing that such work is the inception of a vast development of the practical application of electricity to ordinary civilized life. It is therefore fitting that a representative of the Electrical Engineer should have been the first to officially take a ride upon the electrical omnibus. Starting one morning last week, at 7 A.M., from a mews in Cromwell Road, South Kensington, we had an opportunity of judging the capabilities of the new car. It has the appearance of something between an ordinary closed bus without top seats and a parcels delivery van, of course without horses, and is capable of seating twelve persons comfortably. The driver sits or stands in front, with a switch and resistance frame, and handle with worm gearing to steer with, and a powerful foot brake. It is powerfully built to sustain the weight of accumulators, which slide in trays under the seats.
The cells are the new type E.P.S. traction cells, and were the first set of this type made by the Electrical Power Storage Company. The motors, of which there are two, are Gramme machines, built by Crompton & Co., Limited, which have proved to be thoroughly reliable and efficient. They are connected with steel chain gearing by Hans Renold, of Manchester, which are also thoroughly satisfactory. Mr. Ward has tried all the available methods - friction, chain, belts, and toothed wheels; they all have advantages for special conditions, but he finds the gearing he has adopted the best for these circumstances. The double-speed gearing alluded to has not been fitted to the first omnibus, but will be fitted for the cars to be used for ordinary work. The framework of the omnibus was constructed at the works of the Metropolitan Railway Carriage and Wagon Company, Limited, Saltley; the wheels are of special make to Mr. Ward's designs.
The car, which had been running the day before, started off easily and was run along Cromwell Road and Knightsbridge, turning into Hyde Park at the Albert Gate. The morning was bright and clear, and the ride was very pleasant. Not many people were about at this early hour, but the early tradesmen and workmen were, of course, moderately astonished at seeing the novelty. What it was, however, there could be no mistake about, for the lettering on the omnibus is large enough for all to read. Through Hyde Park was an easy and pleasant run; turning up by Hyde Park Corner the bus went on up the hill and out at the gate and along Upper Brook Street, across Bond Street into Regent Street, and thence into James Street, Haymarket. There is no doubt that the question of electrical road vehicles has been well tackled and its possibility demonstrated, and the application to ordinary work for many purposes is evidently only a matter of time.
The speed of the car is about six to seven miles an hour, about the same speed as that of an ordinary bus; a run has been made without stopping, for instance, from Notting Hill to Golden Square - a distance of 3 1/2 miles - in 30 minutes. The running of the car has not been attempted among the ordinary traffic in the daytime at present, but there would be no great difficulty about this, especially for heavy and slow-moving wagons - such as railway delivery vans, dust carts, etc.; and with proper means of thorough control these would admit of taking their place in a crowded string of vehicles in the thickest London streets. The question of the slip of wheels has been freely tested, the cars having been run successfully on the slippiest days. This is mostly a matter of sanding the road, and a sand tube can be easily arranged in front of the wheels. At the same time, there are in this case no horses to slip down. Another point is the saving in dust from the droppings; the wear and tear will also be less, for this is greatly due to the pounding of the horses' feet like eight sledge hammers on the pavement.
The adoption of electric vehicles commercially is, of course, largely a question of cost.
The power necessary to drive such vehicles has now been ascertained, and the cost per mile for various vehicles calculated, and Mr. Radcliffe Ward claims that the result, all under guarantee from responsible manufacturers, shows a very considerable saving over the cost of horse vans. There is little doubt, if this means of traction proves successful in practical work, that the employment in towns, and in connection with railway collecting and traveling generally, the introduction of large numbers of electric vehicles would give an immense impetus to the electric industry. - Electrical Engineer.
The Electrical Omnibus In London.
The electrical omnibus lately left the depot of the Ward Electrical Car Company, and ran to Euston Station. Some of the directors and the manager of the Liverpool Tramways Company were awaiting it, with Sir George Baden-Powell, M.P., and Mr. Houlding, the chairman of the sanitary committee of the Liverpool corporation. The omnibus returned by way of Euston Road, Great Portland Street, and Regent Street, to the company's depot at James Street, Haymarket. It came through the crowded traffic without exciting any alarm on the part of even private carriage horses.
The Electric Omnibus. - Another run was made by Ward's electrical street car on Tuesday morning through many crowded thoroughfares. The omnibus ran through the City from Islington to the depot, James-street, Haymarket, at a speed in excess of 8 1/2 miles per hour.
Electric Omnibus. - Mr. Ratcliffe Ward and Mr. F. B. Behr have exhibited Ward's electrical omnibus to the Shah in the grounds of Buckingham Palace. His Majesty seemed greatly interested in the performance of the omnibus, which moved and turned round with ease and precision.
Slow Goods Traffic. - Whatever objections might be raised by timid people to the introduction of quickly-moving electrically-propelled appliances on the streets of London, such as for omnibuses or cabs, one cannot but be struck with the field of usefulness for a slow-speed electric van on seeing the large and heavy goods vans owned by the railway companies, slowly drawn along by four immense horses. Here, if anywhere, is great scope for the electric van, and the speed, not being great, would give complete control over the vehicle. The application of the idea of Mr. Radcliffe Ward's omnibus to good's-vans has been under contemplation by the railway companies, and, while electric tramways and telpher lines multiply, we may possibly soon see the employment in commercial life of electric vehicles without rails commending itself to railway companies for the slow goods traffic in towns.
Electric Omnibuses. - The Ward Electric Car Company, Limited, has removed its offices to 38, Gracechurch-street, E C., and premises have also been taken at Dacre-street, Westminster, where the experimental omnibus can be seen by appointment. The company have contracted with the Electric Construction Corporation, Limited, for their first line of electrical omnibuses to run between King's Cross and Charing Cross.
THE STATIONS OF THE WESTMINISTER ELECTRIC SUPPLY CORPORATION.
The engine-room at Dacre-street has been considerably improved of late, and the two Crompton dynamos and Willans engines are now snugly arranged beneath a gallery containing the switchboard; the whole having the air of an engine-room on board ship. A set of Crompton-Howell accumulators, of a capacity of 500 ampere hours, provides for the lighting of Victoria Mansions, the neighbouring residential flats and hotel, together with other circuits, which extend as far as the west end of Victoria-street, and Messrs. Peto’s works in Pimlico. The ordinary full load is now about 600 amperes at 102 volts. This little station will disappear as soon as the current can be supplied from the other stations.
—The latest plan of propelling trains by electricity has been patented by M. R. Ward, of London. Instead of running the carriage of a train on wheels on the permanent way, the inventor proposes fixing slides of a suitable form to the carriages, which slides slide on a film of water. The water is held in U-shaped rails, which take the place of the ordinary rails. The carriages are propelled by an electric motor, or motors, supplied with electricity from accumulators or conductors along the railway, suitably connected to wheels on the sliding carriage, or on a separate rail in the centre of the permanent way or on flanged-shaped rails projecting from the inner sides of the sliding rails.
Electrical Omnibus. - As an appropriate conclusion to the trip of the Lord Mayor to the Electrical Exhibition at Edinburgh, he was met at Euston on his return by the electrical omnibus owned by the Ward Electrical Car Company, Limited, of 38, Gracechurch-street. The omnibus, which was driven by Mr. Radcliffe Ward, the managing director, conveyed his lordship and the town clerk to the Mansion House in a most satisfactory manner, and very quickly, showing itself to be under most perfect control. As we have already stated, the company have in hand a complete line of omnibuses, to run from Charing Cross to King's Cross, with which it is intended to demonstrate commercially the economy, humanity, and cleanliness of electricity over horses, and the facility for locomotion in towns without the aid of tramway lines.
The Ward Electrical Car Company, Limited.
The first annual general meeting of this company took place at the depot, 12, Dacre Street, Westminster, on Wednesday, the 3rd December, 1890, Mr. E. R. Cummins in the chair.
The Chairman reported that the details of the contract for the construction of the first line of omnibuses, and for the charging station, had now been finally settled with the Electric Construction Corporation, Limited, and that the work will be at once proceeded with; also that the Board intended, as soon as this line is running, to form a sub-company for London, to take over the station and omnibuses, and to work a large line of vehicles; that the various authorities concerned view with great interest the pending introduction of electrical carriages on the streets of London; and that it is intended to form sub-companies for other places in the U.K. and abroad.
The Managing Director then reported having just received an order for an electrical van for trade purposes from a firm who intend to largely introduce them, and that an important tramway company had practically concluded to place a contract with this company.
THE ELECTRIC CONSTRUCTION CORPORATION, LIMITED.
The vulgar refrain, "It's wonderful how they do it, but they do," has been ringing in our heads ever since we read the report and balance-sheet of one of the large electrical companies the other day. But light has broken upon our benighted minds, for the Oracle (see another page) has spoken. Oracles are usually ambiguous - not so the daily of that name in its article of the 8th inst. It points out that the very important item of £128,117 in the balance-sheet of the Electric Construction Corporation represents shares in subsidiary companies at par, shares included in the original purchase at nominal value, and debts due by subsidiary companies. It then proceeds to dissect the subsidiary companies, and throws doubt on the par value of their shares. The companies mentioned are the Foreign and Colonial Electrical Power Storage Company and the Electrical Construction and Maintenance Company. As the profit and loss account of the E.C.C. is based on this valuation, it suggests that the directors have not been discreet in reckoning the profit at the figure they have done.
The same idea has occurred to others. As the Oracle says, the directors are very able men, and we will add the suggestion that had they been able to convert the mass of paper they hold into sterling, they would doubtless have done so. If the value of a thing is what it will fetch, and these shares have not fetched par, it is reasonable to conclude that they are not worth it. No allusion is made in the article under review to the Electric Traction Syndicate, who paid heavily for promotion, and the right to use E.P.S. cells; and so we suppose we must not class the undertaking as a subsidiary company. Perhaps it is better than a subsidiary company, as it is reported to have disgorged cash, and not paper. So much the better for the Construction Corporation, and worse for the Traction Company. There is one other item to which our contemporary does not call attention - the cash balance. Perhaps they thought it was borrowed for the occasion, or hired, to speak more correctly—a kind of dress-coat in which to appear at the general meeting.
We have known men who never had a cash balance, unless they had raised it on loan, and whose only assets consisted of pawn-tickets. But companies are obliged to have their accounts audited, which is a good thing - especially for the auditors.
Some years ago, at a meeting of the old E.P.S. Company, when the younger brother of this balance-sheet was presented, and a paper profit shown, a shareholder, on asking why the profit would not be divided, was met by the chairman, who, with his usual directness, naively replied, "Because we haven't got it." They have it now - somehow, and are going to divide it.
We note that the Construction Corporation has taken up the Ward Omnibus business, and rumour credits it with a third of the City lighting, so it will soon have its hands full, and we sincerely hope its large works at Bushbury, not forgetting Millwall, too, likewise its coffers, for they will have to bear a strain under which paper might give way. We hope they will prosper in the good time coming - the electrical sweet by-and-bye.
Nothing depreciates the value of an invention, or application thereof, or lessens the confidence of the public, more than premature announcements of what is intended to be done. Yet for months and months has a contemporary stated that "in a few weeks" electric omnibuses will be plying on London streets, whilst a short time ago a representative of our contemporary stated that he saw one of the "new 'buses " carrying passengers. That statement was not only erroneous but the chairman of the Ward Electrical Car Company, at the meeting last week, actually said that the details of the contract for the first line of omnibuses had only just been settled.
L'omnibus électrique de Londres ne se décourage pas. Il a fait une nouvelle apparition dans les rues de la Cité le 26 février. La première course était conduite par M. Radcliff Ward, son inventeur. Les manoeuvres ont été exécutées sans obstacle, au milieu des voies les plus fréquentées du voisinage de la Banque. Les chevaux ne paraissent point avoir été effrayés.
L'inventeur prétend que la traction coûtera moins avec ses accumulateurs qu'avec les chevaux. Nous ignorons sur quelles bases il s'appuie pour émettre une assertion bien des fois réitérée. Mais la persévérance avec laquelle les expéliences se succèdent donne lieu de penser que tant d'efforts ne seront point inutilement prodigués.
NEW APPLICATIONS FOR ELECTRIC LIGHTING, ELECTRIC RAILWAY AND TRAMWAY POWERS.
The London Gazette announces that the following powers are to be applied for to Parliament, and the Board of Trade :-
Ward's Electrical Car Company, Limited. - Application to Parliament for power to Ward Electrical Car Company, Limited, and Secretary of State, County Council, and other authorities to enter into agreements with respect to use of electrical vehicles on streets &c.; also other incidental powers.
Electric Taxi Cabs
Currently there is a lot of discussion about providing green vehicles in London. A lot of the discussion seems to be centred around taxi cabs.
Without entering into this debate, it might be of interest to learn that the current move to establish an electric cab fleet in London is not a new concept. The first electric cabs operated in London from 19 August 1897.
These cabs were called 'Humming Birds' because they ran so quietly. Because of this fact they were considered a hazard, as neither people nor horses could hear them. Today, in addition to the reduced atmospheric pollution, we would consider the reduction in noise pollution as a bonus!
According to available literature, their biggest problems seem to have been with tyres not, as one would expect, the batteries! This was around the same time as the pneumatic tyre was patented in 1888 by J B Dunlop (later revoked in favour of R W Thomson whose patent was taken out in France 1846 & the US 1847) that went into production in 1890 when he went into partnership with W H Du Cross.
The company that constructed these vehicles was the London Electric Cab Co, located in Juxton Street, Lambeth in London. They were in business between 12 November 1896 to 8 August 1899. The company was liquidated in 1899. The cab fleet seems to have disappeared over time and most people seem to have forgotten that it ever existed.
The London Electric Cab Co was the successor to the Ward Electrical Car Co of London that was founded by Radcliff Ward who is mentioned as designing a battery-driven bus. In 1896 they received the capital to form a bus/cab syndicate and later became the London Electric Omnibus Co.
Thus, the electric cab has already played an important part in the development of the transport system of Victorian London — not what one would have expected! Dan Little
On 15 August 2011 The Earlswood Press published Gloucestershire Transport History reader and London taxi driver Bill Munro's latest book - London Taxis : A Full History - at an RRP of £15.99. Bearing ISBN 978-0-9562308-2-9, the 240 page 200mm x 175mm paperback includes over 150 black and white photographs, some of which have never been published before, and traces the story of the London taxi from 1897. Some of the first of these Horseless Cabs, ordered and operated by Walter C. Bersey, were electric and built by The Gloucester Railway Carriage and Wagon Company Limited.
Born in 1868, Walter Bersey was an electrical engineer whose development of an improved dry battery allowed him to built an electric bus in 1888, although his first passenger cars were not made until 1895.
They resembled motorised horse carriages with bodies built by Arthur Mulliner of Northampton located over twin motors, a 2-speed gearbox with clutch (unusual in an electric), and chain final drive.
Three of these electric vehicles took part in in the London-Brighton Emancipation Run of November 1896, though it was widely rumoured that they completed the journey by train. This was finally confirmed by Walter Bersey in a speech to the Veteran Car Club in 1935.
The first Mulliner bodied Bersey taxis went into service on 19 August 1897 and by the end of 1898 the London Electric Cab Company - based in Juxton Street, Lambeth and with Walter Bersey as General Manager - was running twenty-five, with some reserved for the profitable carriage trade.
With a 40 cell battery powering 3.5 bhp Lundell type motors and built by the Great Horseless Carriage Company, the first Bersey taxis featured quick-change battery boxes and had a range of 30 miles and a top speed of 9 mph. They were the first self-propelled road vehicles available for public hire in London and perhaps in the whole of Great Britain.
The public’s initial reaction appeared to be good, with reports of them being taken from the ranks in preference to horse cabs, to the annoyance of the horse cabmen who had been waiting for some time for a fare. Some cabmen were keen to drive them and their union supported their arrival but other cabmen feared them, thinking that the motors were ‘explosive’.
They were much reported in the press and christened ‘humming birds’, because of the noise of the motors and their bright yellow and black paint but two incidents tarnished their reputation.
The first occurred on 10 September 1897, just three weeks after their introduction. A cabman, George Smith was charged with drunken driving in Bond Street while in charge of a Bersey. He was fined £1.
The next, tragic incident occurred just three weeks later, when a small boy, nine year old Stephen Kempton was cadging a ride by standing on the back springs of a Bersey when his coat was caught in the driving chain and he was crushed. He became the first child in Britain to be killed by a motor vehicle.
The cabs were also not as economical or as reliable as the company hoped. The range was suspect and, if the batteries were to run out of charge, recovering the cabs was a difficult business. The batteries proved too heavy for the vehicle and wore out the tyres, the motors began to vibrate badly and the battery box was insecurely fitted and slid about when the cab was in motion.
The low ground clearance afforded by the battery boxes was similarly considered a hazard. If a pedestrian were to be run over by a Bersey, the argument went, then he might be saved from further harm if the ground clearance was sufficient for the cab to continue over him.
The drivers, who at first were happy to pay the company six shillings (30p) per day to hire the cabs soon left when that rate was put up to twelve shillings and tuppence-farthing, (around 66p) the same as that for a hansom. The public soon tired of their novelty too, and despite there being some keen adherents, hirings became fewer.
The original vehicles were withdrawn in early 1899, and the company temporarily laid off their cabmen. A few weeks later, Bersey himself wrote to ‘The Autocar’, announcing that no less than 50 of a second type, built by the Gloucester Carriage and Wagon Company were scheduled to reappear on 28 May 1899, alongside the original 25.
These had improved batteries and would be painted in new colours. Bersey denied the rumour that they would be fitted with ‘taxameters’, as taximeters were then known, but this would prove to be incorrect, although several of the new vehicles would be ‘specially fitted and reserved for private hire’.
On Wednesday 24 May 1899 the cabs were paraded around the streets of the capital to announce their return to service. However, Bersey was dismayed by unconfirmed reports that several cabs had been involved in accidents in the Fleet Street and Farringdon areas, and wrote to ‘The Autocar’ magazine about these reports. Apart from explaining that one cab encountered problems with a tyre, he denied that any the so-called dangerous events ever happened and announced that he had put the matter into the hands of his solicitors.
The end was signalled when a Bersey ran out of control and crashed outside Hyde Park Gate. Some elements of the press remained actively hostile, and continued to criticise the Berseys, reducing public confidence.
They were removed from service in 1899 and the company ceased to trade, with some of the cabs sold to independent proprietors. Electric cabs in Paris and in New York were also eventually a failure. The London cab trade would have to wait for technology to catch up with ambition and, for four years the horse cabmen had the work to themselves.
No Bersey private carriage is known to survive, but an original batch black and yellow taxi (pictured above) can be seen in the National Motor Museum at Beaulieu. Bersey himself turned to petrol building his own first internal combustion car in 1898 and later selling Delahaye and Darracq cars on behalf of the Automobile Manufacturing Company of Long Acre, London.
London’s first motor cabs were electrically powered. They were called Berseys after Walter C. Bersey, the manager of the London Electrical Cab Company who designed them, but were nicknamed ‘Hummingbirds’ from the sound that they made. 25 were introduced in August 1897 and by 1898 a further fifty of them were at work. Unfortunately, they proved costly and unreliable and there were a number of accidents, including one fatality. Public confidence in them evaporated and they were withdrawn by 1900.
How A New York Taxi Company Killed The Electric Car In 1900
By Raphael Orlove
Jan 25, 2012 12:00 PM
New York City is proud of its six upcoming Nissan Leaf cabs, but more than a hundred years ago an all-electric fleet of taxis served the city using technology that even today would still be considered cutting edge.
Here's the story of how their fall from grace killed electric vehicles in the United States — and the world.
In the early 20th century, electric cars were actually mainstream. In 1900, there were more electric automobiles on New York City streets than cars powered by gasoline. True, there were only 4,192 cars sold in the United States that year, but 1,575 of them were electric. The advantages were obvious — electrics were quiet, clean, and easy to use. Battery power looked like the ideal choice for personal urban transportation (For what it's worth, both electrics and gas-engined cars were both beaten in sales by steam-powered cars — 1,681 of them, to be precise — but who the hell really thinks steam still makes sense?).
Street car tycoon, playboy and former Secretary of the Navy William C. Whitney saw a business opportunity in using electric vehicles as taxis, and bought up a short-on-cash New York City electric cab company run by two engineers, Morris & Salom. With $200 million in assets, Whitney renamed the company the Electric Vehicle Company and dreamt of a taxi cab monopoly in every major American city. He hoped that New York would be his first success.
Whitney thought he had found a solution to the key obstacle of battery-powered electric cars, limited range. Instead of stopping every few hours to charge an electric car's massive lead-acid batteries, cars would swap out empty batteries for charged ones, not unlike Shai Agassi's Project Better Place battery-swap concept.
At the end of every shift, the taxi driver would return to the central battery storage facility on Broadway and switch his spent battery for a rested, recharged one, much like a horse-drawn taxi driver would return to a central stable. The company could keep the cabs running around the clock since they only had to only to rest the batteries and not the automobiles themselves.
Whitney made one big mistake: His grandiose dreams of expansion.
As Michael Schiffer supposes in his 1994 investigation of the legacy of American electrics, Taking Charge, Whitney built up the company's fleet from just 13 cabs to 200 and then ordered 1,600 more. The more vehicles Whitney built, the smaller his overstock of batteries became. In the quickly crowded spaces of the battery storage facility, maintenance grew slack and batteries began to fail. Within a few years, the Electric Vehicle Company operated with a fleet of malfunctioning taxis and it was all the company could do to just keep the existing cabs in service.How The Electric Vehicle Company Became A Patent Troll
In 1895, George Selden, a Rochester, New York patent lawyer and inventor, despite never having gone into production with a working model of an automobile, had a credible claim to having patented the automobile. In 1899 Selden sold his patent rights to William C. Whitney and the Electric Vehicle Company for a royalty of $15 per car with a minimum annual payment of $5,000.
As the regional companies began to shut down, Whitney and Selden together focused their efforts toward collecting royalties of 0.75% on all cars sold by other manufacturers.
In 1903, Henry Ford, along with four other automakers, went to court contesting the patent claim by the Electric Vehicle Company. Eight years later, the case ended with a victory for Selden. Ford however, appealed the decision, and won his case with the argument that his cars were based on Otto Cycle engines — and not Selden's patent.
But by that time it mattered little to Whitney. EVC had gone bankrupt four years earlier.
The Electric Vehicle Company didn't have the money to update the cabs themselves and by the mid 1900s, were several years out-of-date. No longer able to justify the labor and costs of electric operations, the company liquidated its assets, took on new management from one of its subsidiaries, the Columbia Motor Carriage Company, and renewed its fleet with gasoline-powered cabs.
In December, 1889, the Electric Vehicle Company operated 2,000 taxis, trucks, and busses and its factory in Hartford, Connecticut was the largest electric vehicle assembly in the world. By 1901 his regional companies were shut down and in 1907 the Electric Vehicle Company was completely out of business.
The Electric Vehicle Company's experiment with battery-exchanging taxis was seen as a failure not of a company, but of a system. With the ambitious promises of William Whitney fresh in the public mind, the Electric Vehicle Company's bankruptcy deeply tarnished the reputation of electric cars. Electric taxi companies all over the world went out of business, unable to foot the maintenance bills for fleets of ever-rarer electric automobiles.
This discouragement of innovation is the real legacy of the Electric Vehicle Company. It is easy to see electric vehicles as technologically inferior to gasoline-powered cars, having limited range and added cost. Had there more investment in batteries and charging infrastructure, electric vehicles may have stayed relevant in the car market. Rather than almost completely disappearing from the market in the 1920s, electric cars may have even remained the go-to choice for a quiet, easy-to-use automobile very much in the mold of today's best selling family and luxury vehicles.
The bankruptcy of the Electric Vehicle Company was the end of New York City's great electric hope. A century later we are still feeling the effects of this momentous failure.
Photo Credit: JalopyJournal, twin6
Ambasz, Emilio ed. The Taxi Project: Realistic Solutions for Today. New York, NY; The Museum of Modern Art, 1976.
Kirk, Robert S. and Barber, Kenneth F. A Pictoral Characterization of Worldwide Electric and Hybrid Vehicles. Washington D.C.; Energy Research and Development Administration, 1977.
Sherman, Joe. Charging Ahead. New York; Oxford University Press, 1998.
Wakefield, Ernest Henry. The Consumer's Electric Car. Ann Arbor, MI; Ann Arbor Science Publishers, Inc., 1977.
Wakefield, Ernest Henry. History of the Electric Automobile. Warrendale, PA; Society of Automotive Engineers, 1994.
Westbrook, Michael H. The Electric and Hybrid Electric Car. Warrendale, PA; Society of Automotive Engineers, 2001.
Schiffer, Michael. Taking Charge: the electric automobile in America. Wasington D.c.; Smithsonian Institution Press, 1994.
Sperling, Daniel. Future Drive. Washington, D.C.; Island Press, 1995.
Stein, Ralph. The American Automobile. New York, New York; The Ridge Press.
The Car of 1911. Bridgeport, CN; The Locomobile Company of America, 1910.
The Detroit Electric 1911. Detroit, MI; Anderson Electric Car Co., 1910.
Maxim, Hiram Percy. Horseless Carriage Days. New York, NY; Harper & Brothers Publishers, 1937.
A fire settled the issue. In January 1907, the Electric Carriage and Wagon Company went under when three hundred of its cabs burned in a garage fire.
Perks and Birch
Perks, Birch and Duret demonstrate the 'motor-wheel'.
Perks and Birch were pioneering motor engineers once located in Coventry.
In 1899, Edwin Perks and Frank Birch grabbed the attention of the motoring world with a concept design called the ‘Motor Wheel’. This took the form of an aluminum-alloy wheel which held a single-cylinder engine unit and fuel tank, and was designed to replace the front or rear wheel of a pedal-cycle, or tricycle.
Built at small works near the Foleshill Road, the motor-wheel was tested on a cycle and tricycle on the surrounding streets. The manufacturing rights were then bought by the Singer Cycle Company.
Staffordshire born Perks moved to Coventry in the 1880s, and like so many others found work in the thriving cycle industry. During the 1890s while working for the Beeston Motor Company, he became more involved with the development of motorised transport which ultimately brought him and Coventry born Birch together.
It’s not known exactly how many years that Perks & Birch worked for Singer, but Birch later opened up a cycle shop at Spon Street, and by 1933, established a motor garage at Conduit Yard.
The Dawn of the Electric Highway
Tue Sep 13 2011
To better understand the present, sometimes one must turn to the past. For those interested in the evolution of the electric car industry, it’s useful to turn the dial back over one hundred years to the dawn of the automobile.
In 1900, there were 20 million horses and only 4,000 cars in the United States. Urban planners were desperately attempting to deal with the dire issue of “horse pollution”;
mainly defined by worsening manure and urine on city streets. If you wanted to fill up, you drove to your local general store or kerosene refinery with a bucket. The world’s first gas station in St. Louis, Missouri would not be built for another five years.
Demand for filling stations took off after Henry Ford revolutionized the motor industry and made the automobile financially accessible to the middle class. Increased ownership spurred the need for greater infrastructure and easier access to fuel. The stigma of the car as a leashed local commodity was lifted. The time of the horse gave way to the era of horsepower.The United Kingdom took the first big step with what’s being claimed as the “world’s first national charging network.”
Not just a bunch of gas
Today in 2011, the world is yet again poised to repeat history with the introduction of affordable, efficient, and clean-running electric vehicles. Of the 260 million registered autos in the United States, only a fraction of them are all-electric. In the United Kingdom, an estimated 2,000 pure electrics
share the road with over 30 million conventional vehicles.
Like the early 20th Century, distance travelled is largely limited to the availability of charging stations—with most owners choosing to power up at home. Ventures beyond the rated 75 to 100 mileage of most EVs can often lead to what’s casually described as “range anxiety.”
In an effort to curb motorists’ fears and encourage adoption of electric vehicles, municipalities, federal governments, and private sector businesses are all moving forward with the installation of charging stations—the majority of which are located in urban centers, a nod to the heavy commuter population.“Until now, charging posts have all been in city centers like London, but this is where you need them the least.”
Those wishing to travel beyond cities have effectively found their new vehicles limited by a public highway system devoid of charging infrastructure. Proponents of electric vehicles are eager to change that; a move they say could open the doors to mass adoption by alleviating range anxiety fears.
The British are coming
The United Kingdom took that first big step this summer with what’s being claimed as the “world’s first national charging network.” Spearheaded by Ecotricity,
a private green energy firm, EV motorists will soon be able to travel from London to Edinburgh (400 miles) by tapping into 27 “Welcome Break” motorway stations with charging points.
“Until now, charging posts have all been in city centers like London, but this is where you need them the least,” said Ecotricity founder Dale Vince.
“Statistics show that it’s not in towns and cities where electric cars need to recharge, but on longer journeys between cities—and that means motorways.”
While the network is free to use and powered by renewable wind and solar, it does come at the expense of one precious resource: time.
Ecotricity’s stations feature fast-charging tech (32 amp, 3 phase AC supply) that can charge a vehicle within two hours or deliver an 80 percent “top-up” in 20 minutes. Unfortunately, the majority of pure EVs on the road today are not compatible. Instead, motorists are looking at a yawning six to eight hour wait between charges on the standard 16 amp 230V option. That turns an otherwise mundane seven-hour drive from London to Edinburgh into a 32-hour expedition.
Of course, installing these chargers is an added benefit to communities looking to tap into motorists with some extra time on their hands. Restaurants, local attractions, and even hotels will likely see increases in revenue while people stretch between charges. In the eyes of some, the classic road trip may once again be about the journey rather than the destination.
In the U.S., Washington State is planning to offer the first interstate charging network, stretching 580 miles from Oregon to Canada. The units, installed and managed by the California-based AeroVironment,
will be strategically spaced 40 to 60 miles along the I-5 corridor to cover a majority of EV ranges. Similar to the UK model, these stations will offer a rapid-charge of 30 minutes for compatible vehicles and a standard option taking four to six hours.Next generation fast-chargers are said to power batteries to 50 percent capacity in as little as three minutes.
But are these developments enough of a tipping point? Chelsea Sexton, a well-known advocate for electric vehicles and founder of The Lightning Rod Foundation,
says they’re encouraging, but not perfect.
“The enthusiasm behind these infrastructure plans is fantastic, and a sprinkling of public charging is useful to support EV deployment,” she said. “I do wish those in the space would heed the lessons we’ve learned over the last 15 years—there’s too much infrastructure going into some areas, not enough in others or not in the right places. And most of the monetization schemes proposed can at best be described as wishful thinking, and will result more likely in the waste of large amounts of taxpayer funding and a well-deserved public and media backlash as chargers go unused.”
As with any new technology, this is just the beginning. Next generation fast-chargers are said to power batteries to 50 percent capacity in as little as three minutes—with full charges capable in 10 to 13 minutes.
Companies are also working on automated “battery swap” stations that would get motorists back on the road in under one minute; considerably faster than today’s conventional gas stations.
By 2015, the number of charging points in the U.S. is expected to jump from the current 2,900
to over one million. Such a ubiquitous infrastructure coupled with future battery advancements will likely be the catalyst needed for the electric car industry to cut the range anxiety leash and hit the open road. As the saying goes, it’s all just a little bit of history repeating itself.
Illustration by Hey Studio
Michael has been involved in the online green industry since 2005 with a focus on technology and social issues. He's the co-founder of Ecorazzi.com, which spotlights philanthropy in the entertainment industry, as well as a featured blogger for the Mother Nature Network.
Vehicle Equipment Company
Submitted by Tobacconist on Thu, 07/21/2011 - 8:42pm.
These “Automobile buses” were made by the Vehicle Equipment Company of Long Island City, New York. Their literature called them “A combination of the commercial and pleasure types.”
The Vehicle Equipment Company was started in Brooklyn in 1901 by Robert Lloyd and Lucius T. Gibbs. By 1903 they had relocated to Long Island City. Up until mid-1906 they built a large number of commercial electric vehicles. From 1903 to 1905 they also built a 3-seat electric car called the VE Electric. Almost all of their vehicles were single motor shaft-drive. The company went into receivership in 1906, and the General Vehicle Company (owned by the General Electric Company) purchased the factory and reorganized to build both gasoline and electric vehicles, as well as replacement parts. Vehicles built from mid-1906 on were known as GV Electrics.
By 1915 there were some 2,000 GV Electrics in New York City alone, representing more than 25% of all trucks of all types working daily in the city. The style of “Automobile bus” seen above was also very popular in Washington D.C. and other cities as well.
General Vehicle Company ceased production around 1917.
New York Notes.
New York, July 13
It is reported that a novel invention in the shape of an electrical carriage is now being used at Saratoga by the inventor, Mrs. Angie Truax, who resides at the well-known Frank Leslie place, "Wintergarden." She is known to the stage as Madam Schott. It was from a love of travel that she conceived the idea of her invention, which resembles a two-seated side bar surrey wagon, with top, and of about the same length and truck. The wheels are like those of a bicycle, but heavier. The steering apparatus is placed in front, and connects with the front axle by a gearing segment. The propelling power is connected with and turns the rear axle by a system of gears. The electric motor is placed in the center and on the bottom of the carriage, and takes up but little room. It has a "vibrating" armature instead of a rotary; and this is where the little woman inventor looks for the greatest results in her electric motor, claiming that more power can be obtained than from any other form of rotary motor, and that the horse power can be increased without the necessity of constructing a larger motor by simply using more battery. A constant current can be kept up for three hours, and this, too, at a test speed of fifteen miles an hour. A dry primary battery is to be used. Underneath the carriage are air-tight metal tubes, cigar shaped, of suitable size to buoy up the carriage and its load while crossing deep streams, and to the spokes of the hind weeels are ingeniously secured little brass paddles to propel the carriage through the water, and so nicely arranged that they are in no way liable to injury, nor do they interfere with road travel. The carriage has many novel features, such as electric lights, tent, electric stove for cooking and heating, and is altogether a wonderful affair. A speed of fifteen miles an hour is now easily obtained, and the fair inventor is confident of being able to increase to thirty. Mrs. Truax thinks she can apply all these principles to aerial navigation, and she expects to skim the air yet on electric wings.
The Riker Motor
The accompanying illustration, Fig. 1, shows the type of motor now being constructed by the Riker Electric Motor Company, of Brooklyn, N.Y. These motors are built in various sizes from 1/6 h.p., suitable for driving fans and light machinery, up to 2 h.p. One of the uses to which the motor of 1/8 h.p. can be applied is to the pumping of water, the arrangement for which is shown in the engraving, Fig.2. The motor is capable of elevating 150 gallons per hour to a height of 50 feet; it is automatic in its action, being operated by the float in the tank as the water in the latter falls and rises. Similar apparatus is also arranged with motors of 10 h.p., also built by the company, and designed for other work.
PATENTS ISSUED JULY 9, 1889.
400,771. Secondary Battery Electrode; Andrew L. Riker, of New York. N. Y. Application filed April 24, 1889. A secondary battery element consisting of a doubled or folded plate provided with tapering holes filled with active material, the smaller ends of said holes being outside, and a sheet of absorbent tnaterial interposed between said holes.
PATENTS ISSUED JULY 28, 1889.
407,689. Charging Systems for Secondary Batteries; Andrew L.Riker, of New York, N.Y. A car or other vehicle having compartments all open at the side for the admission of batteries and transverse rails near the top of each compartment, in combination with a series of battery vessels having rollers adapted to run on said rails.
Nov 16, 1901:
Riker Torpedo Racer sets the world speed record for electric cars
On November 16, 1901, a spare, low-slung car called the "Torpedo Racer"—basically a square platform on bicycle wheels—breaks the world speed record for electric cars in Coney Island, New York. The car's builder and pilot, an engineer named Andrew Riker, managed to coax his machine one mile down the straight dirt track in just 63 seconds (that's about 57 mph; today, by contrast, the world speed record for an electric vehicle is about 245 mph). The battery-powered Torpedo Racer held onto its record for ten years.
Riker's Torpedo Racer was the fastest, but not the first, working electric car in the U.S. The first one was built in 1891 by an Iowan named William Morrison. It had a 4-horsepower motor, a 24-cell battery that weighed almost 800 pounds (the whole car weighed about twice that), and could go about 14 miles per hour at top speed. The Morrison car was an amazing innovation, but not many people were ready to buy one. A few years later, however, the Pope Manufacturing Company of Connecticut sold quite a few of its Columbia Electric Phaetons, which were heavier than Morrison's machines but could still travel at a whopping 15 miles per hour.
Unlike Morrison and the engineers at the Pope Company, Riker concentrated on building electric racecars. In September 1896, one of his machines won the country's first-ever automobile race, five laps around a one-mile dirt horse-racing track in Cranston, Rhode Island. (The Riker electric finished the race in a little more than 15 minutes.) Riker cars could maintain reasonably fast speeds over long distances, too: In April 1900, a relative of the Torpedo Racer won a 50-mile cross-country race on Long Island. It was the only battery-powered car in the field of racers.
Likewise, Riker's was the only electric car in the 1901 Long-Island-Automobile-Club-sponsored race at Coney Island. Against eight gas-powered cars and six steam-powered ones, all stripped down to frames and wheels to eliminate unnecessary weight (Riker's navigator didn't even have a seat; he just sat on the back of the car, clinging to its side as it whisked down the track), the Torpedo Racer finished the race in third place.
Tenth Convention - Semi-Annual Meeting of the National Electric Light Association.
The tenth convention of the National Electric Light Association was held at the Casino, Niagara Falls, N.Y., Aug. 6,7 and 8, 1889.
The convention was called to order Tuesday, Aug. 6, 1889, at 10:30 A.M., by President Weeks, who addressed the convention as follows.
Gentlemen: We are met primarily to further the interests of local companies; secondarily, to aid in the general development of the business and to promote the good of manufacturers of electrical apparatus and supplies. Our association combines both the commercial and scientific elements, and its deliberations are of a theoretical, as well as a practical nature. Our chief work lies in calling attention to the needs of the business and to available improvements. In this convention are represented industries which embody the very forefront of progress, yet many of you come from lands where electric-light and power interests have no legal status, or are struggling under adverse enactments. I trust that the work of the committee on State and Municipal Legislation will be so seconded that we shall soon be accorded just legal recognition.
While the arc light business is steadily increasing, the greatest development has been, and must continue to be, in other directions. The superiority of the incandescent light as a supplement to the arc, is now more generally acknowledged; but owing to the commercial value of the residual products in the manufacture of gas, the incandescent light cannot compete with it in the matter of price. Without a perfect subway system and storage battery, it cannot be so reliable.
The Committee on Underground Conduits and Conductors will report progress and ask for more time. It should not be inferred from the absence of this topic from our programme that its importance has been overlooked, or that nothing is being done in the direction of electrical subways. Hundreds of thousands of dollars are being expended in experimental work; but many years must elapse before a complete solution can be reached.
The outlook for the alternating current is encouraging. More exact work is being done in this direction; and the invention of meters and motors for this current has added greatly to its commercial value. The meters recently brought out should be of the greatest advantage. It is a fundamental principle that every business of any stability measures its commodity; and customers are more confident of their service when they know that it is being measured.
We may feel gratified that our electrical apparatus is in demand in foreign countries, but this should not blind us to the fact that the criticisms of European engineers upon our streets and station construction are just. It is a hopeful sign, however, that both local and parent companies are paying more attention to good apparatus and the proper construction of lines and planning of stations. This becomes more necessary as business increases, and the price of coal advances, rendering a reduction in fuel all important. The increase in boiler pressure, and the compounding of engines, are steps in this direction. Schools, colleges and larger electrical companies, are paying more attention to electrical education. Popular articles on the applications of electricity are informing the general public as to the extent and value of our industry. With greater efficiency in apparatus, better trained men and more intelligent management, depreciation will be reduced, the conservatism of investors toward electrical securities will disappear, and capital will seek us.
Probably no other topic upon our programme will attract more general attention than the "Unconstitutionality of Electrical Execution." Whatever may be the opinion of scientists in regard to this mode of taking life, the whole movement is encouraging, in that it evinces the world's progress in sensibility.
One of the most important questions that will engage your attention at this session will be the report of the Committee on Harmonizing the Electrical and Insurance Interests. It is a matter of deep concern, not only to the producer, but to the consumer of electricity, that the electrical and insurance companies co-operate. To harmonize these interests will be to give one of the strongest impulses to electrical industries.
Electric welding is winning its way to a commercial basis, and is destined to occupy an important place in mechanics. But by far the greatest activity at present is in the direction of the transmission of power. The electric motor is working a complete revolution. It is impossible to forecast its future. The field of the stationary motor is practically infinite, and is almost virgin soil, while the mileage of roads now operated by electricity, though rapidly increasing, is still so small, compared with the total railroad mileage, to barely suggest immense possibilities.
Statistics collected by our secretary show that the number of arc lamps in service in the United States alone during the last six months has increased from 219,924 to 237,017; that of the incandescent lamps from 2,504,490 to 2,701,768; the number of street railroads operated by electricity is now 109, comprising 575 miles of track and 936 motor cars. The capital now invested in these industries amounts to $275,000,000. These facts bring most forcibly to our attention the financial importance of the interests which we are here to represent, and should impress deeply upon the mind of each member his individual responsibility and the necessity for doing his utmost, both by regular attendance and close attention to the work in hand, to accomplish the objects for which we are assembled.
At the conclusion of his address, the President introduced Hon. W.C.Ely, of Niagara Falls, who delivered the address of welcome, of which the following is an abstract:
You are experimenters with power and force, you deal in it, you generate it, utilize it and profit by it. The item of profit is a stimulus to your brains and energy. You are the devotees of a force, the latest, the most interesting, to which all thoughtful men are now looking for the solution of some of the most difficult economic questions of the hour. To you then will appeal, in all its grandeur, this mighty waterfall, the grandest manifestation of physical power upon the face of the globe. As such it is most interesting, most wonderful.
But it is not merely as a natural wonder, not merely as a thing of grandeur and beauty, that you will look upon Niagara. For years the minds of power producers have been turned with longing toward the mighty cataract, and with the rapid advancement lately made in the development of electrical power there seems to have been a corresponding increase of interest in the capacity of the Falls, and from all over this country and all parts of Europe have come within tho past three and a half years the suggestions, plans and schemes of all classes of men for the utilization of the power of the Niagara River.
A plan has been formulated which solves the problem successfully. A rapid sketch of it would be understood quite thoroughly if the listener has in mind the topographical features of the river immediately below the Falls, and above them for a mile or two. But let me assist you in grasping the situation: To the eastward of the village for several miles the land is nearly level with the waters of the river, which there move slowly in a broad body; then the rapids succeed, and then the plunge at the Falls 160 feet, and below the chasm 200 feet deep. From the water-level in the chasm below the Falls it is proposed to excavate a tunnel 24 feet in diameter, extending under the village eastwardly at an ascending grade of 1 foot in 100 feet, which tunnel will approach within 400 feet of the river, just cast of the present hydraulic canal and at that point will be 125 feet below the surface of the land and the waters of the upper river; thence it will extend eastwardly with a slightly modified grade and parallel with the river, about 1 1/3 miles, and at its easterly termination will still be 90 feet below the surface, and in diameter 10 feet, the same having been gradually narrowed to that limit in the last 1 1/2 miles of its length. This tunnel will serve as a tail race, simply to discharge water. Immediately over and above this tunnel will be constructed lateral tunnels, at right angles with the river and the main tunnel, and arranged to discharge into the latter. Over and above the lateral tunnels, and like them, at right angles with the river and the main tunnel and upon the surface of the land will be excavated surface canals, into which will be diverted the waters of the river. By the side of these canals, wheel-pits can then be excavated and into them turbine wheels placed at a depth of 100 feet below the surface of the land, and arranged to discharge directly into the lateral tunnels below, and thence through the main tunnel or tail-race and into the gorge of the river below the Falls. This system of transverse canals and tunnels would discharge 864,000 cubic feet of water per minute, and furnish 119,000 h.p., and this power is not situated in the midst of inaccessible mountain ranges, but midway between New York and Chicago, on the great trunk lines of railroads, with unsurpassed shipping facilities. The advantages of the situation are apparent at a glance. As enumerated by Thomas Evershed, the originator of the tunnel idea, and summarized by a very high engineering authority in his indorsement of Mr. Evershed's plans, they are: An exhaustless supply of pure water at a practically constant head; solid and durable rock containing all the tunnels, shafts and conduits, and furnishing solid and imperishable foundations for all the structures; and a practically uniform surface, of the proper elevation of the lands necessary for manufacturing structures.
At Niagara Falls then is nature's great store-house of power for the development of electricity and the successful answer to the question, What can be done in the transmission of power by electricity to a distance? Sir William Thomson said that "Niagara Falls possessed more power than all the coal mines in the world." And a true appreciation of the idea impelled Edison to say that "Niagara is the greatest storage battery in the world." This latter is absolutely truthful, and with the power of the waterfall developed by means of the hydraulic tunnel, a system of powerful dynamos to transform the water-power into electricity, and this transmitted to Buffalo, that city might be supplied with light and power far more cheaply than at present, and the demonstration of the capabilities of electrical power and transmission afforded that would give us something more sure than the world has yet had. The accomplishment of this work would solve the problem of rapid transit in the city of Buffalo.
The tenth convention of the National Electric Light Association, Casino, Niagara Falls, N.Y., Aug. 6,7 and 8, 1889.
A paper by Mr. Wm. Bracken
Electric Traction By Storage Batteries.
I have been invited to address you on the subject of electric traction by storage batteries.
It has been customary for speakers on storage batteries to begin their discourse by apologizing for their subject. That day has gone by. The storage battery has no longer any apologies to make.
My purpose at first was to give a detailed account of the progress of storage battery traction, by going back to 1881, when the first storage battery car was run, and following up the history of improvements from that time to the present. But I have found it impossible to get full and reliable data as to the work accomplished in Paris, in England, or in this country. I wrote to almost all the companies and individuals who have been engaged, or are now engaged, in storage battery traction to send me full accounts of their experiments and work; but I regret to say that only one responded to my request, and that was Mr. A. H. Bauer, who gave me a very interesting account of his experiments with his storage battery car in Baltimore, in 1885-86. The published accounts of the operation and experiments of storage battery cars in Europe are so obviously inaccurate as to be unworthy of reproduction. There is one exception, however, to this, and that is, the account given by the jury of commissioners at the Antwerp Exhibition of 1885 on the work of the storage battery car exhibited there; but as you are all more or less familiar with that report, I will make no further reference to it. I am, therefore, compelled to confine my remarks to my own observation of storage battery traction. I will not weary you with threadbare information. I once heard a judge tell a loquacious lawyer that he must assume the court knew some law. I will assume that you have a pretty general acquaintance with the storage battery in lighting and in traction; but there may be some features, chiefly commercial, that have not come under your observation. My observations cover a period of over three years, during which time the company with which I am associated has directed its talents and energy to the development of storage battery traction. You all, no doubt, appreciate the difficulty of the task - not alone difficulties inherent in the system itself, but difficulties arising from the skepticism and lack of sympathy, I regret to say, of a very large majority of the electric community. We all know how much skepticism on the party of street railway men has had to be overcome in electric traction of every kind. It has taken a great deal of hard work - of missionary work - on the part of electrical engineers and inventors to bring about present results. But this is not to be wondered at; for there is nothing harder to accomplish than to supersede an old and well-established system. The horse car had plodded along and gathered strength and influence just as it had gathered fares. That influence was wide spread, and almost all-pervading; for there is hardly a town on this great continent that has not its horse car line. The horse car system had been spreading for about fifty years, and when it came to be in full and undisputed possession of the field, can it be wondered that those men who had the hardihood to attempt to supersede it should be regarded with more or less suspicion - should be looked upon as pretenders - especially when you consider that the method which they propose to employ was electricity? - that dark and mysterious science, as many people, even now, regard it.
Now, the first experiments made with electric cars were calculated to increase this suspicion, and to throw disfavor on electric traction; for it is a characteristic of investors to be so far carried away by their enthusiasm as to commit great indiscretions in carrying on experiments in public which really should be conducted in private. It was on this account that the early experiments of Daft, in 1883, and of other well-known electrical engineers in succeeding years, while they created wonder, did not beget confidence. I may say, without any invidiousness, that two years ago there was not a single electric car run in this country that proved anything more than possibilities.
There were probably two dozen cars being run at that time by the overhead wire system, but so unsatisfactorily that people who went to see them came away shaking their heads with distrust. Now all this distrust has disappeared, and electric traction has grown so fast that to day there are no less than one hundred street car lines in this country that are either running their cars by electricity, or are in the course of introducing the system. Electric traction has beyond all doubt come to stay; as the French say, it has arrived. But the large cities are threatened with the cable. The storage battery proposes to challenge its supremacy.
There is a very general popular misconception of the nature of the storage battery. I suppose that at least 90 per cent. of the public have an idea that storage batteries are nothing but buckets, full of electricity. We read in the newspapers, from time to time, of storage battery cars carrying "tin tanks" tilled with electricity. There can be no greater misconception of the nature of the storage battery. The clearest idea I can give you of the energy contained in a storage battery is to compare it with a lump of coal. The source of energy in a battery is identical with that contained in coal. It is merely energy locked up in a number of substances, principally the metals, which, when set free in a certain manner, manifests itself in a certain phenomon we call an electric current. The metal almost universally used in the storage battery is lead in its various forms. In this lead is contained latent energy, the same as in coal, and if we compare the amount of work accomplished by the energy from either source in foot pounds, we will find it to be exactly equal in both cases. Now the general principles involved in a storage battery are very simple. When we charge a battery from a dynamo or other external source of electricity, we are manufacturing lead, and when we discharge a battery through an electric motor or series of lamps we are simply burning lead. But there is this difference between the action of coal and lead, that whereas coal apparently disappears when burnt the lead does not, but is converted into sulphate of lead to be converted back to metallic lead again by a reversal of the current, so that the storage battery is alternately burning and reducing lead to and from one of its salts. This is why the storage battery lasts and does not disappear in the extraction of the energy, as coal apparently does. In fact, the storage battery is an ideal illustration of the conservation of force and the indestructibility of matter.
When the storage battery first became known in a practical ana commercial form by the experiments of Plants in 1859, scientists foresaw for it a great future, and when corporations were formed later on to exploit and introduce the storage battery, the people of Europe, influenced by what might have been considered the extravagant praises of Sir Wm. Thomson and other well known scientists, put an enormous amount of capital into storage battery enterprises. Almost all of those enterprises, however, proved to be commercial failures; first, because the exploiters were ahead of their time; and, secondly, because the public were led to expect more than the storage battery in its then crude form would do.
There probably have been few things more difficult to accomplish than to bring the storage battery to its present stage of commercial value. Notwithstanding all that had been written about its nature and characteristics, its treatment, both in its manufacture and use, has, until very recently, been purely empirical. That stage, fortunately, has been passed; so that, with intelligent care, the storage battery to-day is not only a valuable adjunct in lighting, but is becoming a very prominent factor in traction.
The advantages of storage battery traction, assuming that it is practical and economical, are too obvious for me to occupy your time in recounting.
The obstacles in the way of the success Of the system are largely, if not wholly, overcome. The chief of these was the handling of the batteries. That was the most difficult and the last obstacle to be overcome. Two improvements removed these difficulties. First, the flexible connector, by which it is possible to couple up or remove cells with great rapidity; and secondly, the battery rack, occupying a floor space of 24 x 7 feet on each side of the car, wherein can be stored a sufficient number of batteries to run from 10 to 20 cars, according to its location. This rack represents stall room for 150 horses, or say 6,000 square feet. I regard this rack as the greatest improvement hitherto made in storage battery traction. By its aid we remove the batteries from a car, and replace them by another set in from two to three minutes. Indeed, our cars on Madison avenue, New York, have to leave the station on six minutes headway. In the afternoon trips there is but six minutes interval between their arrival and departure; and they all receive their batteries from the same rack. When the car enters this rack, its panels are dropped down on either side and thus form bridges over which the batteries are withdrawn from, and replaced in, the car. While this change is being made, a competent person inspects the regulators of the car. The motors, gearing, and connections are only inspected once a day, and that at the end of the day's work. You will thus perceive that the great bug-bear of how to store the batteries is no longer an element in storage battery traction.
From my observation of the recent work on Fourth and Madison avenues, now that a number of cars are running, and under very unfavorable conditions as to station room and the like, I am led to believe that the storage battery car is as free if not freer, from accident, as cars that are run by the overhead system. The motors are, I think, subjected to less trying conditions, owing to the fact that, the E M. F. is always uniform. The batteries never give out on the trip. It is impossible for them to do so, as they leave the station with thirty-five electrical horse-power hours stored in them, and do not consume quite twelve in the round trip of 12 miles. The battery in service has never been short-circuited. When the current required exceeds 150 amperes, the battery is automatically cut out. When rigid connectors were used, breaking was frequent, and the flexible connector has, until recently, given some trouble from time to time by jumping out of position while the car is in service; but with recent improvements, disconnection of the batteries while the car is in service is now rendered almost impossible. For several months past the regulators have caused absolutely no trouble. In any event there are two on the car, so that if one should fail the car may be operated from the other end. You will thus perceive that the likelihood of accidents or breakdown is reduced to a minimum. The first standard car has run in three months over 6,000 miles and carried over 80,000 passengers, never having missed but one-half a trip in that time, and that arose from a bent axle. It has never had an accident or stoppage of any kind while in service. Do not be skeptical at the assertion when I tell you that not a dollar has been spent on that car in the way of repairs or alterations.
At this stage you will naturally ask, How about the life of the battery? I answer that, from our observation, there is nothing to fear on that score. A life of six months from the positive plates is sufficient; it is found that they will last very much longer than that. The chief reasons why the short-livedness of a storage battery has been so much talked about and feared, is that it has, until recently, cost so much to manufacture the battery. Now, the material for your battery you have to buy, in a great measure, but once, for the reason that the discarded battery can be made over new. The raw material in two sets of battery, capable of running a car 120 miles a day, costs, exclusive of the containing jars, about $300. Have you machinery and devices requisite for manufacturing this raw material cheaply into a battery? If you have, you need have nothing to fear on the score of economy. It will cost $4,000 to purchase enough horses to run a 16 foot car 120 miles a day; it will cost about $1,500 to purchase enough battery to do that work. The batteries can be maintained for about one-half what it costs to maintain the horses; and by maintaining. I mean replacements as well as feed. This I know for a fact. Can we then have any further doubt as to the relative economy of storage battery traction?
The cars on the Madison and Fourth avenue line take one electrical horse-power hour per mile. The road has some long gradients. The grade at Centre street is over 4 1/2 per cent., and 600 feet in length.
The cost of motive power for a car-day of 75 miles we estimate at $3.40, as against $7.50 for horses. Five dollars for 75 miles ought to cover the cost in winter. By motive power we mean the cost of energy at two cents per horse-power hour, and $700 per annum for maintenance of batteries and motors. To those who may think that two cents per horse-power hour is a low estimate, it maybe said that power has been offered in New York, to be delivered at our station, at the price above named. In towns outside of New York, offers have been made to supply current at lower figures. The more level the road, the cheaper obviously will be the cost of motive power. This is more particularly true of the storage battery, which in excessively steep and long grades becomes heated. The chemical energy, instead of exhibiting itself in the form of electrical energy, exhibits itself in the form of heat, with consequent injury to the battery. Cars will ascend very steep grades; but it is not deemed economical to attempt grades of more than 6 per cent., and they must be short at that rate. But there are few roads offering more and steeper grades than the road we are now operating on in New York. Each car has two sets of battery. A set is easily charged in about two-thirds of the time the other is in service. No time is lost in charging, as the battery is automatically put in circuit with the dynamo as soon as it is withdrawn from the car. Now that there is a complete group of cars in service in New York; it is hoped to follow those by another group of ten. More will be known about storage battery traction at our next annual meeting.
The Electrical Accumulator Company of New York have issued a circular under date of Nov. 1, in which they state that the litigation involving a patent monopoly of the secondary-battery industry has been so prolonged, and is so technical, that it is believed a few words of explanation are appropriate, in order to enable the public to have a clear understanding of the situation.
In March, 1887, suit in equity was commenced in New York by the above-mentioned company, owning the Faure patent, against the Julien Electric Company, designed to stop further infringement of that patent, covering improvements in secondary batteries. During the progress of the suit it became evident that the Faure patent would be sustained, and early in 1888 the Julien Company modified their method of applying the active material to the battery-plates. In March, 1889. Judge Coxe rendered his decision sustaining the Faure patent, and holding that it could be construed to cover any secondary battery having the active material applied to a plate or support in the form of a "paint, paste, or cement." The modified method of the Julien Company accordingly came within the scope of the Faure patent. On April 11, 1889, an injunction was issued restraining the defendants from further acts of infringement. In June the Julien Company petitioned the court for a rehearing of the case; and their factory, which had shut down in April after the injunction was issued, again resumed operations, the method of manufacturing the batteries being again slightly modified; which second modification, it was claimed, did not infringe the Faure patent. Apparently becoming alarmed at the probability that this second modification was also an infringement, the Julien Company devised a third form, and subsequently a fourth form was employed.
In August a new suit in equity was brought against the New York and Harlem Railroad Company and the Julien Electric Traction Company as co-defendants. These parties were using large numbers of these so-called new forms of battery. Motion was made for a preliminary injunction, and in October Judge Lacombe rendered his decision, which, as will be seen after careful perusal, virtually gave the Electrical Accumulator Company all that they asked or claimed. An injunction was issued on 0ct. 28, operating to stop the use of all of their four modifications as well as the original form. This decision of judge Lacombe has been printed for the information of interested parties. It is concise, accurate, and clearly defines what Brush is said to have done in anticipation of Faure's patent.
Quoting from the decision on this point, "What Brush did was to immerse a plate coated with dry material not only into fluid, but into the very fluid in which it was forthwith, and without removal therefrom, put to use as a battery plate." It is to be noted, that, under this decision, the manufacture of secondary batteries in any quantity will, if at all possible, be utterly impracticable without infringing Faure's patent.
It has yet to be demonstrated that such form of battery will work outside of the laboratory. It has never been done, although ten years have elapsed since Brush is said to have made the experiment; while manufacturers, both in this country and Europe, have been studying the problem with the strongest incentives to attain success.
Storage Battery Patent Litigation. - I may mention, by the way, that the Electrical Accumulator Company, whose cells, of course, are alone referred to, has just succeeded in obtaining an injunction against the Fourth Avenue Railroad in this city, which has been using the Julien cell on its storage battery cars. The cells in use having been made under the methods limited to the Electrical Accumulator Company, the judge has granted an injunction preventing the Julien Company from using cells in which the active material has in any way been applied to the plates in the form of a “paint, paste, or cement.” The Julien Company have, perforce, been obliged to suspend the running of their cars, which have won no small amount of popular favour. They are now understood to be actively engaged in manufacturing plates in which the active material is applied in the form of powder, and submitted to tremendous pressure. As soon as these plates are ready the cars will be put in operation again.
Storage Battery Patent Litigation. - There has been a very general feeling of regret among electricians and on the part of the public in this city at the stoppage of the Julien storage cars on Fourth Avenue, where, by this time, from 15 to 20 cars had actually been got ready and put in operation. These cars have stopped under the decision of Judge Lacombe, in the United States Circuit Court, which prevents the Julien Company from making their plates in various ways the right to which is ascribed to the Electrical Accumulator Company, and which leaves open to them the method whereby a perfectly dry powder is compacted upon the grid by hydraulic pressure and no fluid is added until the plate goes into use in the battery. The Julien people, it would seem, have been trying to accommodate the Court so as to make their plates in such a manner as to satisfy the judge that there was no infringement, and now that they have ascertained just what the judge deems right they will go ahead as briskly as at first, and will produce as many of the dry-powder plates as may be required. The company make the statement that these absolutely dry plates are far better than they had anticipated, and that they will answer their purpose better than any that they have employed heretofore. This dry-powder method is claimed as covered by one of the early patents of Mr. C. Brush, but this does not have any material bearing upon the case, it would appear, as it is rumoured that an alliance between the Brush and Julien storage battery interests exists. In fact, it is asserted that the Courts will probably sustain one or more of Mr. Brush’s patents in which is granted broadly the mechanical application of the active material in any form to a separate plate, whether that active material be a paint, paste, plaster, powder, or anything else beginning with a “p.” Should that be the case, Mr. Brush, or his representatives, would control the situation; but for the present the Electrical Accumulator Company are very well satisfied with the aspect of things, and propose to enforce as thoroughly as possible their rights with regard to manufacturing plates in which the active material takes the form of a paint, paste, or cement.
Storage Battery Decision. - An important decision has just been rendered by Judge Coxe, of the United States District Court, in the infringement suit between the Brush Electric Company and the Julien Company. This suit has been pending for some time, and, before the decision was rendered, the Julien Company obtained an option on the right to become licensees of the Brush Company; the option to remain in force 48 hours after the granting of the decree following the decision. The decision, which is a very voluminous one, is emphatic in favour of and sustains the broad claim of the Brush Company to a storage battery wherein the active material is applied to the plates by mechanical means of whatever kind. Pending this decision the Julien Company have been keeping very quiet, but now are reported as proposing to begin active operations at once under the Brush patent. With this decision, the storage-battery fight is left practically between the Brush Company and the Electrical Accumulator Company, and narrows itself down to a duel between Faure and Brush on the invention in question. An interesting flank movement may possibly be based on the expiration of Brush’s Italian patent, which is precisely similar to the ones on which the present decision has been rendered; for in a suit between Brush and the Accumulator Company, which is now in progress, if the decision should be in favour of Brush it would practically give the Brush Company and their licensees a monopoly of the storage battery business in America. If, however, by reason of the expiration of the Brush Italian patent, or for any other cause, the decision should be in favour of the Accumulator Company, the storage-battery field would be left quite open, since Faure’s American patents were considerably limited during the interference action in the Patent Office between Brush and Faure. In other words, if the Brush patent is upheld, it is so broad as to be very formidable. If the Faure patent is upheld, its limitations are such that it would be no serious obstacle.
Accumulator Patents. - The infringement suit of the Brush Electric Company against the Julien Electric Company of New York, which was brought some two and a half years ago, was decided by Judge Cox on the 14th ult. The decision was in favour of the Brush Company, although it is understood that the parties had come to a mutual understanding before the settlement of the suit - a curious illustration of the futility of lawsuits. This is the more the case that the suit between the Brush Company and the Electric Accumulator Company is still pending, but the decision would seem to give the Brush interests a point of vantage over the Faure patents. Meanwhile we suppose accumulators are desired, and are being made exactly as of yore.
REPORTS OF COMPANIES.
THE CONSOLIDATED ELECTRIC STORAGE COMPANY.
This company has just been organized for the purpose of manufacturing and selling storage batteries solely, with Mr. Wm. Bracken as president. The company owns the Julien storage battery patents - more especially that for the inoxidizable support plate - and the exclusive right to use for the whole of the United States all the Brush storage battery patents and inventions. Principal among these are the Brush patents, Nos. 337,298 and 337,299, covering the mechanical application of any absorptive substance to a conducting support; and the Brush patent, 266,090, which covers a support plate or a conducting support with receptacles for the active material; in addition to these, also, the Brush patent No. 260,654, which covers the application of oxide of lead to the support plate by pressure. The new company also owns the mechanical filler patents of Morris and Salom, which cover the process and machine for filling the conducting support or grids with active matter. They are more especially capable of doing this when the active matter is applied in the form of a powder. The two first mentioned Brush patents run 13 years from May, 1889; the mechanical filler patents have about 16 years of life, and the Julien storage battery patent, No. 347,300, being for his inoxidizable support plate, has about 14 years to run.
The Julien Electric Traction Company has sold its cars and everything in relation to traction to the United Electric Traction Company, the latter company having bought not only all the traction interests of the Julien Electric Traction Company, but also all the Daft companies, including the Daft Electric Light Co., with its factory at Marion, N. J., the Daft Electric Power Co., with its three stations in New York, and the Daft Electric Power Co. of Newark, and the Daft Electric Power Co. of Philadelphia. The United Electric Traction Co. have also purchased the Chamberlain battery rack patent. The United Electric Traction Co. has acquired from the Julien Co's. such patents relating to the application of storage batteries to the propelling of street cars, as will enable that company to make storage battery traction a specialty, but according to Mr. Bracken, there is no understanding, oral or written, between The Consolidated Electric Storage Co. and The United Electric Traction Co. as to the sale of batteries to the Traction Co. or as to favoring them in any way over any others desiring batteries for traction.
It will be the policy of the Consolidated Electric Storage Co. to furnish batteries to everybody on equally favorable terms. As indicating the demand there is for storage batteries, Mr. Bracken states that their Camden factory sold last month 1,294 accumulators although they have not a single agent in the field soliciting orders.
THE STATUS OF THE CONSOLIDATED ELECTRIC STORAGE COMPANY.
The Consolidated Electric Storage Company, of this city, have just issued the following important circular defining their status and their plans as manufacturers of the Julien battery and the exclusive licensees for the United States of C. F. Brush's storage patents:-
We take this means of informing you that this company has been organized for the manufacture and sale throughout the United States of the Julien Storage Battery. To that end, it has acquired those storage battery patents which, in its opinion, control the manufacture and sale of storage batteries for the United States.
In order that you may understand the scope of those patents, we will describe in a few words what constitutes a storage battery as at present universally made.
Gaston Plante, whose storage battery was the first to attract public attention, used the following method. He employed two plates of lead, which he immersed in a solution of sulphuric acid and water; he then applied a current of electricity which had the effect of creating on the surface of the plates, by disintegration of its substance, a spongy substance, known as active matter or absorptive material, being spongy reduced metallic lead on one plate and peroxide of lead on the opposite plate. This process required several weeks and sometimes months of charging, involving too much labor and expense to make the Plante battery one of commercial value. Radical and fundamental improvements were needed to make the storage battery what it is to-day. To Charles F. Brush, of Cleveland, Ohio, has been awarded, both by the United States Patent Office and the United States Circuit Court,(Electrical Accumulator Company vs. Julien Electric Company, 38 Fed. );., p. 117. Brush Electric Company vs. id., 41 id., p. 679, and decree entered on this decision on June 10,1890.) priority of invention of those improvements. Mr. Brush obtained the same technical results as Mr. Plante by applying the active matter to the plates mechanically before immersing them in the solution. He also made receptacles in the plates and mechanically filled those receptacles with lead oxides (active matter) by pressure. He then put the plates into the solution and subjected them to a charging current, by means of which he obtained in a few hours the results which Plante reached only in weeks or months of charging. The battery thus made had, moreover, much greater capacity than those of the Plante type. This method has, for obvious reasons, superseded that of Plante, and since Mr. Brush's invention (1879) all commercial storage batteries are made by applying the active matter mechanically to the plates. The plate, wall or support to which the oxides are applied is known as the support plate or conducting support, and the oxides applied to the conducting support are generally called the active matter or absorptive substance. The solution in which the conducting support, with the absorptive substance applied thereto, is immersed, and which usually consists of sulphuric acid and water, is called the conducting liquid or electrolyte. Mr. Brush applied for patents for his inventions. He was put in interference with Camille A. Faure, who made similar claims to invention (Electrical Acc. Company vs. Julien Electric Company, 38 Fed. R., at p 130. Brush Electric Co. vs. Julien E. Co., 41 Fed. Rep., at p. 686.), and after a long and bitter contest for a period of four years before the patent commissioners, Mr. Brush was awarded priority: and on March 2, 1886, United States Patent No. 337,299 was issued to him. This patent covers broadly the mechanical application in any form (whether powder or paste) of the active matter or absorptive substance to a support plate. This is the decision of the United States Circuit Court in the case referred to. Any method of application by hand or machine is "mechanical." The court also decides that the words "active matter" and "absorptive substance," as used by Mr. Brush, are synonymous, and include not only lead oxides but every other substance that is absorptive (and it must be absorptive to be of any value), applied to a conducting support." It does not matter what shape or size the conducting support may take, whether it be smooth, perforated, woven wire, flat, cylindrical, etc.; so long as it is a "conducting support," it is an infringement of the above patent.
In addition to this broad invention, this patent also covers, expressly and by specific claims, the support coated with mechanically-applied metallic oxide, oxide of lead or equivalent lead compound, and red lead; and also such a support when provided with "receptacles" filled with the mechanically-applied oxide of lead or other "active material."
The word "receptacles" was found by the Court to include perforations extending through the plate.
This patent has nearly thirteen years still to run and is controlled by this company. Another important patent now controlled by this company was sustained by the United States Circuit Court, viz.: Patent No. 266,090, covering a support with "cells," "cavities," "slots" or "perforations," and the words "cells or cavities" were held by the Court to include perforations as well as cavities of other forms.
Patent No. 260,654, also controlled by this company, covers the application of the "absorptive substance" to the "conducting support" by "pressure," whether exerted by hand or a machine.
The batteries made by the Gibson Company, The Electrical Accumulator Company, The Pumpelly Company, The Woodworth Company, The McLaughlin Company, The Anglo-American Company, and others, consist, all of them, of a "conducting support" and "absorptive substance" mechanically applied thereto, and are clear infringements of the Brush patents.
This company has also acquired United States Patent of Edmond Julien, No. 347,300, covering an "inoxidizable" "conducting support." Experience has shown that the "conducting support" is so influenced by the electric current as at an early stage to oxidize and become disintegrated. Mr. Julien, who was one of the first inventors and workers in the field of the storage battery, has discovered a certain alloy of lead and other metals, whereby this defect in the plain lead support is overcome. It is regarded as a most valuable invention. The patent has ten years to run.
To guard against imposition by persons who may pretend to have discovered a new battery, we wish to inform the reader that it is universally admitted that so far as scientific research has gone, only the metals and their salts (metallic oxides), may be employed to make a commercially useful storage battery, and only those metals and their salts may be employed which are practically insoluble in the electrolyte. The elements or electrodes of a commercially useful storage battery consist of two parts, first, a "support," and second, an "active" or "absorptive" substance applied and secured to the support. Gold and platinum, but for their costliness, would be the most useful metals to employ for the support, as they are practically inoxidizable in the electrolyte, or exciting fluid or solution of the battery. Of all the cheaper or base metals, lead possesses in the highest degree this immunity from attack by the exciting fluid or solution, and for this reason it has been chiefly employed where a simple metal has beeu used for the support plate.
The alloy of lead, antimony and mercury patented to Edmond Julien is, however, far superior to lead in this respect, and approaches more nearly than any other metal or alloy, the cost of which would permit its use, to gold and platinum.
Many attempts have been made to use various metallic compounds for the active or absorptive substance to be applied to the supports. These have been applied in various ways, but no commercial success has yet been reached by any experimenter in the use of any substance or by employing any method of application except reduced (or spongy) metallic lead and its oxides, mechanically-applied and secured to the support plate.
Time would be wasted in listening to the pretensions of any inventor who professes to have contrived a commercially useful storage battery the elements of which do not consist of a metallic support practically inoxidizable in the electrolyte or solution, having mechanically applied to or secured thereon either reduced spongy metallic lead or one of the oxides of lead, or equivalent lead compound.
This company has also acquired United States Patents No. 383,757 and 408,986, of Henry G. Morris and Pedro G. Salom. Messrs. Morris & Salom have been engaged, for some years past, in devising suitable machinery for the effective and economical manufacture of storage batteries. These patents cover a machine known as the Mechanical Filler. Prior to the invention of this machine, the active matter was applied to the "conducting support" by hand. The method was laborious and expensive and the work generally uneven and unsatisfactory. The mechanical filler obviates all these difficulties. By its use each machine dispenses with the labor of from thirty to forty men, and fills the plates uniformly and far more effectually than can be done by hand. It is the first and only machine of the kind that has ever, so far as we can learn, been invented or claimed to have been invented, and as it is both novel and highly useful, we deem the validity of the patents unquestioned. These patents have about sixteen years to run. It will be seen from the above that agents and electric companies, in recommending the batteries of this company to their customers, will be freed from the annoyance of litigation.
TRADE NOTES AND NOVELTIES AND MECHANICAL DEPARTMENT.
THE CONSOLIDATED ELECTRIC STORAGE COMPANY.
The important circular issued by this company from its offices, 120 Broadway, is printed elsewhere in this issue. To the New York headquarters all communications as to agencies and licenses should be addressed. All orders and inquiries for batteries should be addressed to the company, 926 Drexel Building, Philadelphia. The Atlantic Trust Co., trustee, representing more than two-thirds of the stock of the Julien Electric Traction Co., offers to the remaining outstanding minority stockholders of the said company the privilege of exchanging their stock, share for share, for Consolidated stock, without payment of assessment or expense. The Consolidated Company has a capital stock of $3,000,000 in shares of $25. It has no bonds and no preferred stock, and as is well known, controls the Brush fundamental storage patents.
THE UNITED ELECTRIC TRACTION CO.
The United Electric Traction Co., at 115 Broadway, has been levied on by the sheriff, on attachments aggregating $1,600 and a judgment for $804. The company is said to have been asking extra time on maturing obligations recently, and the total amount of unsecured indebtedness is said to be $150,000, while it is understood to have large assets. Leo Daft has brought suit against the company, the Daft Electric Light Co. and others to recover $50,000, and to set aside a contract relating to the exchange of stock of the Daft Company for that of the United Electric Traction Co., and to recover property of the Daft Company from the United Company. This suit may be discontinued.
It is declared by the officers of the United Company that its financial condition is being substantially strengthened.
The United Electric Traction Co. was incorporated in March, 1890, in New Jersey, with an authorized capital stock of $7,000,000 of which $5,000,000 was common stock. A large part of the latter was issued for the stock of the Daft Electric Light Co. and the Electric Power Co., of New York, and the right to use patents on storage batteries of the Julien Electric Co., the Julien Electric Traction Co. and the Brush storage battery. It assumed debts of the Daft Co. and of the Electric Power Co. amounting, it is said, to $400,000. and guaranteed $100,000 bonds of the Julien Electric Traction Co. It was said to have received from the Daft Co. tangible property worth $1,000,000, not including patents.
The company has been mainly developed by R. L. Belknap, ex-treasurer of the Northern Pacific Railroad, and Dr. John C. Barron. Mr. Belknap was its president until December last, when he was succeeded by J. Edward Ackley. In the same month the company gave a chattel mortgage of $700,000 to the Mercantile Trust Company to secure bonds.
(from Our Own Correspondent.)
New York, July 25, 1891.
The Brush Accumulator Patent. - The protracted patent litigation between Mr. Brush and the Electrical Accumulator Company has just been terminated by the decision of Judge Coxe emphatically in favour of the former. This practically gives Mr. Brush and his assigns the monopoly of the lead accumulator in this country if they choose to assume it. From the nature of Judge Coxe's decision last year in the suit between the Julien and Brush interests the result of the present action was to be anticipated. What its effect will be it is as yet too early to state. The Julien Company, sole licensee, under the Brush patents, certainly holds the key to the situation. Apropos to this the United Electric Traction Company will resume, it is stated, the operation of its accumulator cars on the Fourth Avenue road in this city, which have been discontinued for some months.
Storage Battery Litigation in America.
It will be remembered that three years ago the Julien Company put several storage battery cars upon the Fourth Avenue tramlines in New York. The Julien cells were then considered an infringement upon the inventions of Faure and Brush. The Electrical Accumulator Company (owning the Faure patents) and the Brush Company thereupon sued the Julien Company in a court of law and an injunction was obtained by the Accumulator Company, which, however, was evaded by means of a dry oxide powder being used in manufacture instead of the "paste paint or cement" claimed by Faure. More recently, the Brush Electric Company brought suit against the Electrical Accumulator Company in the United States Circuit Court where Judge Coxe, who also decided the former case, sustained the storage battery patents of Charles F. Brush. This brings virtually to an end the litigation which for five years has been carried on by the Julien Company, the Brush Electric Company, and the Electrical Accumulator Company, for the control in the United States of the manufacture and sale of storage batteries made of oxide of lead supported mechanically upon metallic frames, and it removes the obstacles in the way of their introduction for purposes of lighting and traction. It is a remarkable fact that the Electrical Accumulator Company, which bought the patents from the original English E.P.S. Company, has all but been wound up soon after its victory against the Julien Company; at any rate, the factory at Newark has long been shut down, and the little business which is left is being carried on by the Electro Dynamic Company in Philadelphia. The old Julien Company has gone to the wall after its resources had been consumed in profitless pioneering and legal fighting, but it has again been resuscitated under the name of the Consolidated Electric Storage Company, holding an exclusive license throughout the United States for the Brush storage battery patents. The latest decision practically awards to the Brush Electric Company the monopoly in the manufacture of secondary batteries having a mechanically applied coating of active material. Judge Coxe, in his decision, says: "Mr. Brush was the first in this country to make the broad invention. He is entitled to the fruits of his invention. It is the policy of the law to reward him." The Brush Electric Company, it must be remembered, has never been in the market with its storage battery, although it has spent upwards of a hundred thousand dollars in experiments. It will be interesting to watch the further developments of this business in America; up to the present no one seems to have benefited by it except the lawyers.
AN ELECTRIC BICYCLE.
One Has Been Constructed that Weighs Sixty Pounds.
A New York man has at length perfected an electric bicycle. It is light and speedy and gives every promise of perfect success. Taking a wheel weighing twenty seven pounds, Mr.James O'Brien, inventor of the electric bicycle, has added a battery, motor and switch-board, which together bring the weight up to sixty pounds. The battery, which is known as the dry chloride, is the main part of Mr.O'Brien's invention. Its weight is about fifteen pounds, which is considerably less than anything used in previous experiments. With this battery a force can be maintained which will carry the bicycle over rough country roads, up hill and down hill, for a period of forty-eight hours. The speed of the electric bicycle is practically unlimited. It has been tested up to nearly fifty miles an hour, faster than which no one has yet dared to try it.
From the illustration it will be seen that the electric attachments occupy comparatively little space. They can be easily detached, and the machine can be used in the ordinary way. Should the battery or any part fail, it is not necessary to remove these parts. If at any time the rider wishes to use the pedals instead of the electric power, a small switch will cut off the current. The switchboard is placed in the illustration below the bar, but the inventors latest improvement places it under the handle, so that it can be reached without trouble by the rider. A woven silk band is used to connect the motor with the hub of the rear wheel. A striking feature of the machine is, of course, the electric head lamp, the illumination from which extends over a radius of thirty feet. The inventor is an electrical engineer of experience. He has patented machines for preventing collisions at sea, scintillating signs and nickel-in-the-slot machines. He considers the battery which operates the electric bicycle his greatest achievement.
Talk on the Cycle Track.
The electric bicycle has at last been perfected - of course, by a Yankee. It is described as light and speedy, and gives every promise of perfect success. Taking a wheel weighing 27lb, Mr.James O'Brien, inventor of the electric bicycle, has added a battery, motor and switchboard, which together bring the weight up to 60lb. The battery, which is known as the dry chloride, is the main part of Mr.O'Brien's invention. Its weight is about 15lb., which is considerably less than anything used in previous experiments. With this battery a force can be maintained which will carry the bicycle over rough country roads, up hill and down hill, for a period of forty-eight hours. The speed of the electric bicycle is practically unlimited. It has been tested up to nearly fifty miles an hour, faster than which no one has yet dared to try it. This "bike" should catch on.
The basic EROS system ready to install with batteries and charger is $199.00
400 Watt motor version is $219.00. Upgrade to 3 Ampere charger for $20.00
Remote cable lift-off for motor: $20.00, Indoor power stand for excercise training: $40.00
Variable load generator to adjust excercise load/battery charge rate at low speeds: $50.00
Custom configurations available (dual motors, accessories, electronic speed controller, etc) consult factory for further information; fax or write:
Omni Instruments, POB 96, Albion, CA 95410
Order Line, Fax (707)937-0603
The Portelectric Company. - This company, whose working model in the old South Church, Boston, has been creating such a deep interest, has now completed arrangements by which they have secured for one year or more a piece of land on the New York & New England Railroad at Dorchester, between Howard street station and Mount Bowdoin station. The structure will be about a mile long, and will be oval or rather pear-shaped. The superstructure, being a temporary one, will be of wood, and will probably stand about six feet high, and will be fitted thoroughly and completely with the helices and complete apparatus required for the working of the plant. The contract for the super-structure has been let, and a survey made, and work will be commenced very soon. The structure when finished will show straight sections, curves, grades, curved grades and switches, and everything will be made as thorough and as varied as possible, so that complete data may be secured on which to base the calculations for a long line. The helices will be about six feet apart, and the carriage will be twelve feet long, with a circular section of about ten inches. Much interest is being felt in this big experiment, and it is safe to say the eyes of the whole electrical world will watch with intense interest the success of these trials. Mr. Williams is to be congratulated upon carrying his invention thus far, and it is to be hoped that brilliant success will attend his future efforts. A.C.S.
The Portelectric System.
On another page we give a view of the experimental track of the New England Portelectric Company, a short distance from Boston. It will be remembered that this Portelectric plan for electrical conveyance of packages was brought out considerably more than a year ago and has since then been undergoing a process of evolution, such as is the fate of every similar invention, until now some rather interesting results have been reached. The experimental track is something like half a mile in length, with grades and curves enough to give a fair idea of the results that may be expected in practice. The experiments already made have shown that fairly high speed can be maintained and that the switch mechanism that furnishes the current to successive solenoids can be made to operate successfully. The plan of setting a car in motion by a direct electromagnetic pull is of so novel a character that the progress of the Portelectric Company has been watched with considerable interest. Of course from the data now at hand it is impossible to say anything definite regarding the economy or general efficiency of the system; but it has been satisfactorily demonstrated that the car will run at a very high velocity and can be operated and controlled sufficiently well to make the question of its commercial success depend largely on economy of construction. In short, the Portelectric system has worked better in an experimental way than was anticipated by most electricians.
Experimental Plant of the Portelectric System.
It is now something more than a year since the exhibition of the model of the Portelectric system in the Old South Church in Boston. The subsequent description of this promising invention in the daily newspapers and technical journals attracted the notice of people in all parts of the world. It was at once recognized that, could the model be duplicated on a large scale, and be made to work with the same degree of success, its commercial utility and importance in the rapid transportation of mail and express packages would be very great. Since the invention was first exhibited to the public, its projectors have been busily engaged in the construction of an experimental track upon which the "portelectric" car could be tested under conditions similar to those which would be met in actual practice, and fully as severe as those which would be encountered in commercial operation.
This experimental plant, which is located near the Howard street station on the New York & New England Railroad in the suburbs of Boston, has been completed and in experimental operation for some time, but its construction and operation have been open to the inspection of the public only since the 11th of this month. Notwithstanding the difficulties, mostly of a mechanical nature, which necessarily had to be met and overcome in pioneer work of this kind, the experimental work has proved so successful that the performance of the system re-enforces the opinions formerly held by its projectors concerning its future commercial importance.
It will be remembered by those who read our former description of the project (See The Electrical World, May 1,1889) that the system is intended for the transportation, not of passengers, but of mail and express matter only at rates of speed approximating two miles per minute, the steel car being drawn along its confined path at this high rate by the pull of numerous solenoids through which the track is laid, each coil exerting its power for a short time only as the car approaches it. In general principles the experimental track here described and illustrated does not differ from the model exhibited in the Old South Church last year. In the mechanical details, however, such changes have been made as have been found by actual experience to be necessary to adapt the system to the requirements of commercial service. The method of closing and opening the circuit through the track solenoids at the proper time has been changed; the mounting of the car upon its wheels, the construction of the track and some other mechanical details have been greatly improved. Prof. A. E. Dolbear, the electrician of the company, and Mr. John T. Williams have given the matter almost daily attention for several months, and especial care has been directed toward the reduction, as far as possible, of the copper wire required in the coils of the track solenoids.
The experimental line is nearly 3,000 feet long, built in the form of an oval or somewhat of a pear shape, including two curves of different radii, some straight and level sections, and grades, both on a straight track and on curves. One grade is 8 per cent, and another 11 per cent. Posts 10 inches square are set solidly in the earth to a sufficient depth to be undisturbed by frost, and are packed about with sand. These posts project above the surface to a height of about four or five feet, and to their sides, at the top, are strongly bolted planks, three by ten inches, set on edge and carefully fitted, so that the top of the planks is flush with the top of the posts. Posts are set at intervals of six feet. This low structure was so built simply for convenience of access in conducting experimental investigation.
A very neatly designed and well constructed power house stands directly over the track, as is shown in the illustration on this page. Its architectural features are the design of Mr. J. Philipp Rinn, a Boston architect. The track passes directly through its centre at a distance of about two feet from the floor. The building is surmounted by a lookout tower, from which the car may be watched as it speeds around its half-mile course.
The power equipment of the station consists of a Sturtevant 20 h. p. engine and an Edco dynamo to furnish current for the propulsion of the car. This dynamo is wound for a pressure of 1,000 volts. A horizontal tubular boiler supplies steam for the engine and for the heating of the building as well. A small supply and work room is conveniently arranged in one corner of the building. The station is lighted by Bernstein series incandescent lamps, and the track is lighted when necessary with seven arc lights.
Upon the heavy framework of wood of which the track structure is composed are placed the solenoids, a series of coils extending along the entire track at intervals of six feet. These coils have an internal diameter of eleven inches, and are each made of about 20 pounds of No. 14 wire. The two rails of the track extend through these coils, one at the top and the other at the bottom. The lower track is in connection with one terminal of the dynamo and the other terminal is connected with a lead wire parallel with the lower track. To this wire are attached branches connecting it to the various sections of the upper track, these sections being about six feet long. The passage of the car completes the circuit between the upper and lower rails through the solenoid in advance of the car, and the car is thus pulled into the coil until it is midway through the coil, when the current is cut out and transferred to the next coil in advance.
The car is an iron cylinder 10 inches in diameter and, with its conical ends, is 12 feet long and weighs 350 pounds. It runs on two wheels, and also has guide wheels to run on the track above the car. Doors upon its side allow of the necessary matter constituting the load of the car to be placed upon its inside and securely locked in place.
The greatest difficulty experienced in the operation of this track and car was in the adaptation of the car to the compound curve, made up of a grade and a curve of short radius. It was found necessary to make the car itself rotate to accommodate itself to the curve and grade, thus introducing a great frictional resistance. In spite of this, however, the car has been drawn about the oval track in about one and a half minutes, and its speed has reached about 43 feet per second. The greatest acceleration observed was about 3 1/2 feet per second, which, if maintained for a minute, would give a speed of about two miles per minute. The shape and difficulties of the present track, however, prevent the acquiring of such a speed.
In forming an opinion of what has been already accomplished by the plant described above, it should be borne in mind that the whole project was so new that every step has had to be taken without the assistance of any precedent, or of the experience of others in similar work. Its growth, however, has been very satisfactory, and Professor Dolbear asserts that there is every reason for thinking that in a short time the car will be capable of running away from the swiftest express train.
New England Trade Notes
The New England Portelectric Co. gave a special exhibition this week of their system at Dorchester, to representatives of the Boston press. Mr. F. L. Pope, of New York, recently made an exhaustive report upon the practical working and possibilities of the system, and his estimates are extremely favorable. The Boston daily press are all loud in their praises of the progress made in the experimental track, a speed being now attainable of about 40 miles an hour. A full description of the experimental plant will be given in an early issue.
AN ELECTRIC DISPATCH SYSTEM.
It has, for some time, seemed probable that one of the developments of the near future, in the way of transportation, would take the form of an electric dispatch system for carrying mails and certain classes of express matter at a high rate of speed between our principal commercial centres. Among the plans thus far proposed, perhaps the most unique is that of the Portelectric Company, of Boston, which may be regarded as a development, on electrical lines, of the pneumatic carrier system, which has long been in successful use in large cities for similar purposes. The report of Mr. Pope, which we reprint elsewhere, is, so far as we know, the first expert investigation of the actual merits of the portelectric scheme whose results have been made public, and the facts and figures given are of great interest. Mr. Pope's conclusions, though conservatively expressed, seem to leave little room to doubt the practicability of the system from a technical standpoint. It is true that the original cost of the plant must necessarily be greater than one in which traveling motors are employed, in accordance with ordinary practice, yet the absolute simplicity of the devices used, and the enhanced possibilities of speed which must result from the direct application of the propelling power to the carrier, are features whose importance may easily be overlooked at first sight. It certainly cannot be unreasonable to suppose that the factor of mechanical resistance in this apparatus can be reduced at least as low as that of an ordinary railway train, and granting this, Mr. Pope's predicted rate of speed of 150 miles per hour ought to be attained without difficulty, with the existing electrical appliances, at a very moderate cost for operating expenses.
We predict that the managers of the express and forwarding companies will be quick to see, in some such system as this, a possibility of enormously increasing the scope of their operations, for it needs but little consideration to show the practicability of a system of special delivery by which a letter or small package dispatched from New York could be delivered to the addressee in Boston within two hours, at a charge of ten cents or less, and yet leave a handsome profit to the carrier. That something of this kind will be done at an early day, and that such a system will divert a considerable share of the traffic that is now conducted by the mail and telegraph, there can be little reason to doubt.
THE NEW ENGLAND PORTELECTRIC COMPANY'S SYSTEM OF TRANSPORTATION.
Since the close of the exhibition of the model of the Portelectric in the "Old South Church," Boston, over a year ago, persistent and unremitting efforts have been made to determine all the conditions necessary for the construction of a commercial line for practical business purposes. Much delay has been caused in the progress of the work by the severe and uncalled-for test to which the invention was put by the contracted course which the company was compelled to adopt, and which gave little opportunity for straight runs, so essential to the development of high speed.
The present experimental track is situated at Dorchester, Mass., and the tests have been carried on under the supervision of Mr. J. T. Williams, the inventor of the system, assisted by Prof. A. E. Dolbear, the electrician of the company. In a report recently made by Mr. Franklin L. Pope, we gather some interesting details as to the methods employed and the possibilities of the system.
The experimental plant at Dorchester comprises an endless track. Figs. 1 and 2, elevated upon a wooden trestle a few feet above the ground, 2,794 feet in circuit, consisting of one tangent of 492 feet, and another of 430 feet long, united at their ends by two curves, one of which is 1092 feet long and 282.5 feet radius, and the other 780 feet long and 234.4 feet radius. The track in the first tangent of 588 feet, is level, while in other portions of the circuit are grades rising to a maximum of 4 1/2 per cent., or 227 feet per mile.
The track consists of an upper and a lower rail, formed of barsteel 3/4 inch by 1/4 inch, fastened by countersunk screws to stringers. The upper stringer is of wood, 2 inches square, and the lower also of wood, 2 inches broad by 4 inches deep. The upper rail is supported and braced at intervals of about 3 feet.
The carrier, Fig. 3, is a hollow cylindrical projectile of wrought iron, with ogival ends, the cylindrical portion being 8 feet long and 10 inches in diameter, the length 12 feet over all, and the weight appromately 500 pounds. It is provided with two flanged wheels above, and two underneath, all of which, being fitted with ball-bearings, revolve with very slight fiction.
The propelling power is derived from a series of hollow helices of insulated copper wire, each of which encircles the track and carrier. These are fixed along the permanent way at intervals measuring 6 feet from centre to centre. Each helix is composed of 630 turns of No.14 copper wire, in five layers, weighing about 20 pounds, and having a resistance of about 5 ohms. A contact wheel, mounted upon the carrier, and running in contact with the upper track-rail (which is divided into sections, and utilized as an electric conductor), connects the several helices in succession with the source of electricity as the carrier moves forward upon the track.
The electric current is supplied by a dynamo having a maximum capacity of about 8,000 watts, or a little over ten horse-power, driven by a steam engine rated at ten horse-power.
Experiments were first made to determine the maximum speed of carrier which could be obtained from the appliances in use at the time of inspection. This was found to be 2,784 feet in 56.5 seconds, or 49.3 feet per second, equal to 33.5 miles per hour.
The consumption of electric current, or rate of electric work while the carrier was in motion, was between nine and ten electric horse-power. The maximum tractive effort with a current of ten amperes was found to be 80 pounds. The electrical force producing this magnetic attraction was 6,300 ampere-turns.
The rate of acceleration was found to be as high as 4.5 feet per second. The force of traction required to produce this acceleration, with the carrier of 500 pounds' weight, is about 70 pounds.
A tractive effort of 70 pounds, exerted upon the carrier moving at the rate of 50 feet per second, requires the expenditure of 6.3 horse-power, or 4,712 watts. As the average electrical energy supplied appeared to represent something like 8,000 watts, the efficiency of the helices and carrier, considered as an electric motor, may be estimated at about 60 per cent., which figure agrees very well with other determinations of solenoid magnets. There are eight hundred and eighty helices, and seventeen thousand six hundred pounds of insulated wire per mile in the helices, in addition to that in the main conductors.
As each coil is ordinarily in circuit for only a fraction of a second at a time, it is evident that a volume of current per unit of sectional area may be used with impunity in this case, which would be wholly inadmissible under ordinary conditions.
The provision for power required to propel the carrier at the assumed rate of 150 miles per hour, may be taken at fifteen hundred volts and seven amperes per forty miles of single track, or about 0.33 horse-power of generating capacity per mile. This may be estimated, including steam plant and buildings, at $125 per horse-power, or, say, $45 per mile.
The actual cost of the electric power required to propel the carrier at this rate may fairly be taken at five cents per horse-power hour, including cost of attendance at stations. The mere cost of power for propelling a carrier from Boston to New York would therefore not exceed seventy-five cents per trip.
Excessive estimates of the cost of a double-track line, making liberal allowances in all directions, do not exceed $35,000 per mile, or about $7,000,000 for a line between Boston and New York.
THE UNITED STATES PORTELECTRIC CO.
Articles of incorporation of the United States Portelectric Company, with a capital of $5,000,000, were forwarded from New York to West Virginia last week, the company having been organized under the laws of that State. The following are the incorporators: Thomas L. James, ex-Postmaster General; ex-Judge A. J. Dittenhoefer, John Straiton, Charles F. James, Percival Knauth, William James. John T. Williams, Colonel Henry Huss, Frank Lawton, and Whipple V. Phillips. The company controls a device for the transportation of mail and express packages at a high rate of speed, which, it has been reported, will probably be utilized by the Post Office Department. There has been an experimental plant in operation in Dorchester, Mass., for the past year. The modus operandi was illustrated and described in The Electrical Engineer, May 27, 1891.
In 1918, French inventor Louis Octave Fauchon-Villeplee invented an electric cannon which has a strong resemblance to the linear motor. He filed for a US patent on 1 April 1919, which was issued in July 1922 as patent no. 1,421,435 "Electric Apparatus for Propelling Projectiles".
Mond supported scientific societies and, with Henry Roscoe, helped to expand the small Lancashire Chemical Society into the nationwide Society of Chemical Industry of which he was elected president in 1888. He was elected to the Royal Society in 1891. Abroad, he was elected to membership of the German Chemical Society, the Società Reale of Naples, and the Prussian Akademie der Wissenschaften. He received honorary doctorates from the universities of Padua, Heidelberg, Manchester and Oxford and was awarded the grand cordon of the Order of the Crown of Italy.
In 1893, he experimentally determined the interconnected roles of the various components of the fuel cell: electrodes, electrolyte, oxidizing and reducing agents, anions, and cations.
Fuel Cell Origins: 1880-1965
In the 1880s designs for workable gas batteries began to emerge from laboratories in Europe and the U.S. Many researchers began to consider the possibility of converting coal or coal gas directly into electricity by use of these units. Coal was a major source of fuel and coal gas sometimes was referred to as fuel gas. Grove's gas battery came to be called a "fuel battery" and then a "fuel cell," though the exact details of the term's origin are still unclear. Below is a brief overview of fuel cell researchers of the late 19th and early 20th centuries and their contributions.
Chemist Ludwig Mond (1839 -1909) spent most of his career developing industrial chemical technology such as soda manufacturing and nickel refining. In 1889, Mond and assistant Carl Langer (d. 1935) described their experiments with a fuel cell using coal-derived "Mond-gas." They attained 6 amps per square foot (measuring the surface area of the electrode) at .73 volts. Mond and Langer's cell used electrodes of thin, perforated platinum. They noted difficulties in using liquid electrolytes, saying "we have only succeeded by using an electrolyte in a quasi-solid form, viz., soaked up by a porous non-conducting material, in a similar way as has been done in the so-called dry piles and batteries." An example given is an earthenware plate "impregnated by dilute sulfuric acid."
Gas-batteries have hitherto been made by bringing two gases capable of chemical action upon each other - such as hydrogen and oxygen - into contact with solid substances which have the power of absorbing or condensing these gases - such as platinum and carbon - and immersing these absorbing substances partly into a liquid electrolyte, which keeps the two gases separated. All these batteries have proved very ineffective and of no practical utility. In the earlier ones, in which the absorbing substance remained stationary in the liquid electrolyte, the active,surface was exceedingly small, and consequently the duty done by the battery was insignificant. In the later ones, in which the absorbing substance was alternately exposed to the gas and to the liquid electrolyte by moving either the former or the latter, the absorbing substances became covered by a film of liquid which almost destroyed their power of absorbing gases. In order to overcome both these difficulties, we abandon the use of a simple liquid electrolyte and substitute for it a solid porous substance, which we impregnate by a liquid electrolyte, so that the absorbing substance coming into contact with it remains dry enough to retain its absorbing power for the gases to a sufficient degree. The porous substances used for this purpose must be non-conductors of electricity. They must be unalterable by the other substances with which they come in contact in the battery, and must be impermeable to gases after they have been impregnated with the electrolyte. A great many substances can be used for this purpose, among which we may name paper, pasteboard, infusorial earth, sand, asbestus, clay, leather, linen, flannel, &c.
The Electric Launch "Electron."
Several successful trips have recently been made in New York waters by the launch "Electron," built at Newburgh by Mr. John Bigler. It having been decided that the boat would be used for pleasure excursions for parties of twenty or more, and that it would be desirable for it to have storage capacity for trips of considerable length, a condition never before attempted, the boat was made with great breadth of beam, in order to insure sufficient displacement to enable it to carry a large amount of battery. Great speed was therefore not contemplated, and the fact that the "Electron" easily attains twelve miles per hour, a speed seldom equaled by boats of its size, speaks well for its lines. The hull of the "Electron" is constructed of sheet-iron plates one-eighth inch in thickness, and is 36 feet long over all. It is decked over forward and aft. and has a raised roof amidship, which provides a roomy cabin, light being admitted from windows in the sides. A cupola at the forward end of the cabin serves for the pilot-house, and all switches and indicators for regulating speed and measuring the current are in easy reach of the man at the wheel.
The screw of the launch is 18 inches in diameter and of such a pitch as to allow the motor to revolve at about 1,000 revolutions per minute for its maximum speed. The motor itself is coupled directly to the screw, the armature shaft and screw shaft being rigidly united and practically forming a single shaft. Between the motor bearings and stuffing box there is a spring bearing and a double-thrust bearing, all easily accessible for oiling. The motor, which, with the switches, is from the works of the Electro-Dynamic Company, of Philadelphia, is placed beneath the cabin floor, somewhat back of the centre of the boat, and is entirely exposed by the removal of a glazed trap-door. It is a series motor, and weighs about 500 pounds. The winding of the motor is such that it will carry a current of 70 amperes at 200 volts or nearly 20 electrical horse power. The normal working rate of the batteries is 50 amperes at 200 volts pressure, about 13 electrical horse power, but they can be drawn upon at the 20 h. p. rate for brief periods of time when a very high speed is required.
The accumulators were manufactured by the Electrical Accumulator Company, and consist of 200 cells of their newest form of motor battery, known as the "23 M" type. Each accumulator is contained in a vulcanite cell 6 3/4 inches long by 7 1/8 inches wide by 9 7/16 inches high, closed by a hermetically sealed vulcanite cover, save for a small perforation in a vulcanite knob in the cover, which allows any excess gases to escape. Each cell consists of 23 plates, each 5 1/2 inches wide by 7 1/2 inches high, and about 1/8 inch thick, and a complete cell with 23 plates, fork separators and dilute acid, inclosed in the vulcanite cell, weighs 40 pounds. The 200 cells with which the "Electron" is equipped therefore weigh four tons.
The 200 accumulator cells are arranged in the boat, some in the bottom, others under the forward deck, and the remainder under and back of the seats, which extend along both sides of the cabin. All of the cells are arranged so as to be accessible for inspection, should it be occasionally required.
The Electric Yacht "Electron."
Several days ago the new electrical yacht "Electron," made her trial trip in New York harbor. This tidy little boat was built by J. M. Bigler, a boat builder of Newburg, N. Y., who is very much interested in electrical matters.
The "Electron" is 36 feet in length by 3 1/2 feet draught. Her motive power is furnished by 200 storage batteries stowed away in the cabin lockers. The cells proper are sealed, and are made of hard rubber. A 10 horse motor made by the Electro-Dynamic company of Philadelphia drives the boat. The cells are furnished by the Electrical Accumulator company of New York city.
The port and starboard lights consist of incandescent electric lamps behind colored glass screens. These lamps are lighted by the touch of a button in the wheel house. The trial trip was a most successful one, and lasted just three hours and fifteen minutes. Twenty-eight miles was the total distance traveled. With the outfit described and the cells fully charged, it is claimed the boat can make about 80 miles at an average speed of eight miles an hour.
The Collapse of the Peral Electric Submarine Boat.
It is all up with the submarine electrical torpedo boat, with which Isaac Peral, a Spanish naval officer, has long been threatening to revolutionize modern marine warfare. At the final trial, about three weeks ago reports the New York Sun, the machinery and batteries collapsed and the boat went to the bottom like a chunk of lead, almost carrying down with it the inventor and his venturesome assistants. Peral began his experiments in naval architecture some time ago with a flourish of trumpets. In Cadiz, last winter, he made several partial trials of his new machinery. These trials were fairly successful and he became famous. His name was in every one's mouth. The Imparcial, the leading Spanish daily, named him "the greatest man of the nineteenth century." Other dailies and many naval officers said his invention would enable Spain to regain her old supremacy of the seas. The Government appropriated 200,000 francs, subsequently increased in one way and another to 1,000,000 francs, to aid him in completing his work. Senor Casado, a South American Spaniard, added to this 500,000 francs out of his own pocket. In Madrid Peral was the man of the hour. Peral societies, Peral cigars, Peral cordials, Peral waltzes and Peral cravats monopolized the favor of all. The first trial of the boat took place last March, in the presence of thousands. It was a fizzle. Peral said the machinery was too weak, and sent it back to England, where it had been constructed under his supervision, to be remodeled.
In June the machinery was returned, and early in August all the big Spaniards of Cadiz and Madrid were invited to attend Peral's triumph. Peral, several officers, and a crew put out into the harbor in the famous craft, which is described as resembling in appearance an enormous cigar. Everything about her was close and smooth. The boat floated about 300 feet, and the crowds at the docks shouted deliriously. Just as every one was expecting her to dive under water, however, her whole electrical apparatus began to run in a most unaccountable fashion. Two or three things exploded with tremendous force. The big cigar trembled a minute, and the frightened crowd was still. Then came a volley of loud reports like the rattle of musketry, the hatches of the boat were thrown open, and Peral, officers and crew tumbled out into the water. From the open hatches issued flames, smoke and fine bits of machinery. Two minutes later the big cigar rolled over and disappeared. The men who had risked their lives in her hold were picked up by rowboats.
Three days after the catastrophe Senor Casado arrived in Cadiz from South America to see what kind of a craft his 500,000 francs had enabled Peral to build. He couldn't find even the wreck.
The Peral Submarine Boat.
Last week the New York Sun had an article, from which we quoted, alleging that the Peral electric submarine boat had proved a fizzle, and had sunk in Cadiz harbor while being tested before a gathering of Spanish dignitaries. The Sun now states, however, that there was no foundation for the story it published, but that on the contrary the boat has withstood a series of severe experimental tests, and "appears to be one of the most extraordinary developments in scientific naval warfare." If this be true, as we hope it is, Senor Peral will no doubt receive his due in praise and in more substantial recompense.
...Geha, a German electrical car built by Gebhardt & Harhorn in Berlin from 1910 to 1914.
The 3PS (3 HP) model was powered by an electrical motor located in the front wheel axel. According to Halwart Schrader in his Deutsche Autos 1885-1920 (Motor Buch Verlag, 2002) the maximum speed was about 25km/h with about 80 km range.
The designer of the car was Victor Harhorn.
After WWI, the company was bought by Elitewerke AG, and the Geha car was sold under the name of “Das elektrische Pferd” : the electric horse !
An Electric Launch. - Professor Sylvanus P. Thompson has written an account of a trip on the Thames in a launch propelled by electricity. He says:- "At half-past three this afternoon I found myself on board the little vessel Electricity, lying at her mooring off the wharf of the works of the Electrical Power Storage Company at Millwall. The little craft is about 26 ft. in length, and about 5 ft. in the beam, drawing about 2 ft. of water, and fitted with a 22-in. propeller screw. On board were stowed away under the flooring and seats, fore and aft, 45 electric accumulators of the latest type as devised by Messrs. Sellon & Volckmar. Fully charged with electricity by wires leading from the dynamos or generators in the works, they were calculated to supply power for six hours at the rate of 4-horse power. These storage cells were placed in electrical connection with two Siemens dynamos of the size known as D3, furnished with proper reversing gear and regulators, to serve as engines to drive the screw propeller. Either or both of these motors could be 'switched' into circuit at will. In charge of the electric engines was Mr. Gustave Phillipart, jun., who has been associated with Mr. Volckmar in the fitting up of the electric launch. Mr. Volckmar himself and an engineer completed, with the writer, the quartette who made the trial trip. After a few minutes' run down the river, and a trial of the powers of the boat to go forward, slacken, or go astern at will, her head was turned Citywards and we sped silently along the southern shore, running about 8 knots an hour against the tide. At 37 minutes past 4 London Bridge was reached, where the head of the launch was put about, while a long line of onlookers from the parapets surveyed the strange craft that without steam or visible power, without even a visible steersman, made its way against wind and tide. Slipping down the ebb, the wharf at Millwall was gained at one minute past 5, thus in 24 minutes terminating the trial-trip of the Electricity. For the benefit of electricians I may add that the total electro-motive force of the accumulators was 96 volts, and that during the long run the current through each machine was steadily maintained at 24 amperes. Calculations show that this corresponds to an expenditure of electric energy at the rate 3 1.11-horse-power."
The Electrical Power Storage Company has by no means been discouraged with its former tentative experiments for the driving of launches by electricity. We see that this Company, in conjunction with Messrs. Yarrow & Co., have lately launched a new and handsome boat intended for the Vienna Exhibition. The launch is 40 ft. long by 6 ft. beam, and has a 3 ft. draught of water aft. The screw is 18 in. diameter with 13 in. pitch, and is driven at 680 revolutions per minute by a Siemens' dynamo, commutated as a motor. No gearing is used, the spindle of the armature being coupled direct to the end of the screw-shaft. The thrust-block is just aft of the dynamo, the whole being placed under the floor in the sternsheets of the boat. The power was supplied in 80 Sellon-Volckmar secondary batteries or accumulators, which weighed 60 pounds each, or about two tons together with the dynamo. This may be taken as fairly corresponding with the weight of an ordinary engine and boiler and propeller to drive such a launch at the speed required, which was an average of over seven miles an hour, though on the measured mile a speed of over eight was obtained. The whole of the secondary batteries are put away out of sight under the lockers under the seats, and under the floor of the launch, so that as the motor is covered by the sternsheets, no batteries or engine are visible. There is no smoke, no dust, nor steam, no smell of oil nor splashing of pumps, and the whole arrangement is perfectly noiseless, except the bubbling of the water caused by the revolution of the propeller running at such a high speed. As the battery charge would suffice for six hours' constant work, we may consider the problem has thus been solved of producing an electrical launch which amply suffices for pleasure purposes, with all the advantage of the greatest possible accommodation for passengers, and a total absence of smell and "blacks" which are so annoying in the ordinary steam launch. While the working of this system is in its infancy, no doubt the serious disadvantage of the electrical launch chancing to have used up its store of energy without a possibility of renewal, will strike the ordinary observer, but as soon as the system should be generally adopted, there is no reason why stations for the storage of electrical power might not be as accessible upon the river as is at present the ordinary supply of coals. It is quite possible that the combination of a motor of such simple parts with the propeller will enable engineers to arrive at important results with regard to the percentage of work absorbed in the ordinary launch engine, as apart from the efficiency of the propeller. The enormous speed produced by the little motors will enable propellers of exceedingly fine pitch to be driven at such high rates of revolution as cannot possibly be obtained with the reciprocating steam-engine.
AN ELECTRICAL LAUNCH.
On July 17th this little boat, intended for the Vienna Exhibition, made a run from the Temple Pier to Greenwich in thirty-seven minutes, with a moderate tide. Some delay was, moreover, caused by the propeller fouling a basket, an event well known to every one who has had any experience with steam launches on the Thames. The distance is six miles, so that making allowance for the tide, it may be said that a speed of over seven miles an hour was attained, and full power was not employed save for a portion of the time. On the measured mile an average speed of over eight miles an hour has been obtained.
The boat is 40 ft. long and of good beam. She had twenty-one persons on board, including the steersman and a man to look after the machinery, if such it may be called. The boat is completely unincumbered from end to end, no trace of the propelling mechanism being visible. This consists of eighty cells of Sellon-Volckmar accumulators, of which fourteen are disposed under the seats, seven at each side, and the remainder in the bottom of the boat under the floor. The screw is turned by an a Siemens' dynamo commutated as a motor. No gearing is used, the spindle of the armature being coupled direct on to the end of the screw shaft. The thrust block is just aft of the dynamo, which is placed under the floor in the stern sheets. It lies flat, and occupies very little space. There are four brushes, two for going ahead, two for going astern, and two small lines going to a becket beside the steersman enable him at a moment's notice, by pulling one or the other, to go ahead or astern; a cylindrical switch beside him enables him to stop or go on at pleasure. This switch is graduated so that the current from forty, sixty, or eighty cells can be used at pleasure. The weight of the whole - batteries and dynamo - is about two tons, or as nearly as possible that of engine, boiled with water, and coal for a steam-engine competent to propel her at the same speed.
This pretty launch is the very perfection of a pleasure boat; no heat, no smoke, no dust, no steam, no smell of oil, no splashing of pumps. There is no noise of any kind to be heard save the bubbling of the water from the propeller, and the faint hiss caused by the commutator rubbing against the brushes. There is no smell, and no "blacks;" and the boat will run for six hours continuously, or about forty-five miles.
During the trip to which we are referring the current passed through the dynamo was 41.22 amperes from sixty cells, the electromotive force being 112.5 volts, and (41.22 x 112.5)/746 = 6.21 H.P. The loss by friction, &c, must be very small, for 6 indicated H.P. could certainly not have propelled the boat at the speed she readily attained. It has long been known that the screw is an extremely wasteful propeller. It may yet be that further investigations will show that the screw is not so much to blame as the combination of screw and engines. At any rate the system of electrical propulsion opens up a new field of inquiry, because it renders possible the use of screws of extremely fine pitch revolving at a great speed. The dynamo in Mr. Yarrow's boat makes about 680 revolutions per minute. The propeller is of steel, two-bladed, 19 in. diameter, and 13 in. pitch. There is absolutely no vibration, and very little disturbance of the water in the wake of the boat.
No matter what may be the opinions formed concerning the utility of the electrical propeller for commercial purposes, there can be no doubt that the Electrical Power and Storage Company and their manager, Mr. Collett, and Mr. Yarrow, have together proved that the system is admirably adapted for pleasure purposes. In fact, for such work as that now done by steam launches on the Thames, the electrical system is simply perfection. The expense will be, on the whole, about that of steam; but to those who keep steam launches expense is a secondary consideration, and it must not be forgotten that a 20 ft. electrical launch will afford at least as much accommodation as a 30 ft. steam launch. Thus in Mr. Yarrow's boat, quite 11 ft. of the best part of her would be occupied by engines and boilers. As to the supply of storage cells, that can easily be managed. Many private gentlemen could keep their own engine and dynamo on shore to do the charging, and for the rest it would suffice to establish at certain places on the banks of the river, as at Kingston, Staines, Maidenhead, &c, depots where, during the summer season, dynamos driven by stationary engines would keep on charging batteries. By calling at any of these stations, enough power for a six hours' run could be obtained either by charging the cells in the boat direct, or by taking the run-down cells out and replacing them with charged cells.
We may add that certain very important improvements have been made in the Sellon-Volckmar accumulator. As now made they have an E.M.F. of 2.3 volts, per cell at starting, and will give five ampere-hours per pound of battery - a very admirable result.
Electric Launches. - On September 10th Messrs. Gilbert, Bogle & Co., of Glasgow, tried one of their electric launches on the Clyde at Kilcreggan. It was driven by Clark's patent battery and engine, Mr. Clark, the patentee, himself managing the machinery and also steering the boat. The only other persons on board were Mr. Bogle and Major Macliver, of Bristol and London, for whose inspection the trip was made. Clark's patent dispenses with dynamo machines and accumulators, which need re-charging, and enables the motion to be kept up by refilling the batteries with a simple chemical compound. In the smaller boats a speed of from five to seven miles is attainable, and Major Macliver, who had with him a 15-ft. launch, built for him by Power & Douglas, of Waukegan, Illinois, has ordered it to be fitted with Clark's machinery. If the experiment be successful, Messrs. Bogle are to construct a much larger vessel for him, which it is intended to take through the canal between the Rhine and the Danube next year, to make the trip from the German Ocean to the Black Sea through these rivers and their artificial junction. The large boat will be designed for a speed of ten miles an hour, and it will take several months to construct her, but the smaller one will probably be seen on the Thames before the end of October. Major Macliver believes that he can make the trip from ocean to ocean in about three weeks, and intends to do so without any assistance whatever.
On the evening of the 16th ult., Mr. A. Reckenzaun read a paper on "Electric Launches," before the members of the Society of Arts. At the meeting of the British Association in Southport, last year, Mr. Reckenzaun gave a similar paper, which was published in the Electrical Review at the time. In his present lecture the author does not advance anything new, but treats the subject in a wider sense. We shall therefore only give the more important points brought forward by Mr. Reckenzaun. In speaking of the convenience of electrically-propelled vessels, the lecturer says :-
Nearly the whole space of a launch should be available for the accommodation of passengers, and this is the case with an electrically-propelled launch. We have it on good authority, that an electric launch will accommodate nearly double the number of passengers that a steam launch of the same dimensions would.
A further convenience arising from electromotive power is the absence of combustibles, and the absence of the products of combustion - matters of great importance; and for the milder seasons, when inland navigation is principally enjoyed, the absence of heat, smell, and noise, and, finally, the dispensing with one attendant on board, whose wages, in most cases, amount to as much or more than the cost of fuel, besides the inconvenience of carrying an additional individual. (Mr. Reckenzaun then goes on to describe Jacobi's apparatus, which was employed 45 years ago on the river Neva, and with which our readers are already acquainted.)
It may not be generally known that an electric launch was tried for experimental purposes on a lake at Penllegaer, near Swansea. Mr. Robert Hunt, in the discussion of his paper on electro-magnetism before the Institution of Civil Engineers in 1858, mentioned that he carried on an extended series of experiments at Falmouth, and at the instigation of Benkhausen, Russian Consul-General, he communicated with Jacobi upon the subject. In the year 1848, at a meeting of the British Association at Swansea, Mr. Hunt was applied to by some gentlemen connected with the copper trade of that part, to make some experiments on the electrical propulsion of vessels; they stated, that although electricity might cost thirty times as much as the power obtained from coal, it would, nevertheless, be sufficiently economical to induce its employment for the auxiliary screw ships employed in the copper trade with South America.
The boat at Swansea was partly made under Mr. (now Sir William) Grove's directions, and the engine was worked on the principle of the old toys of Ritchie, which consisted of six radiating poles projecting from a spindle, and rotating between a large electro-magnet. Three persons travelled in Hunt's boat, at the rate of three miles per hour. Eight large Grove's cells were employed, but the expense put it out of question as a practical application.
Professor Silvanus Thompson says that an electric boat was constructed by Mr. G. E. Dering, in the year 1856, at Messrs. Searle's yard, on the river Thames; it was worked by a motor in which rotation was effected by magnets arranged within coils, like galvanometer needles, and acted on successively by currents from a battery.
From a recent number of the Annales de l'Electricite, we learn that Count de Moulins experimented on the lake in the Bois de Boulogne, in the year 1866, with an iron flat-bottomed boat, carrying twelve persons. Twenty Bunsen cells furnished the current to a motor on Froment's principle turning a pair of paddle wheels.
Until Trouve's trip on the Seine, in 1881, and the launch of the Electricity on the Thames, in 1882, very little was known concerning the history of electric navigation.
M. Trouve originally employed Plante's secondary battery, but afterwards reverted to a bichromate battery of his own invention. In all the primary batteries hitherto applied with advantage, zinc has been used as the acting material. Where much power is required, the consumption of zinc amounts to a formidable item; it costs, in quantity, about 3d. per pound, and in a well-arranged battery a definite quantity of zinc is transformed. The final effect of this transformation manifests itself in electrical energy, amounting to about 746 Watts, or one electrical horse-power for every two pounds of this metal consumed per hour. The cost of the exciting fluid varies, however considerably; it may be a solution of salts, or it may be dilute acid. Considering the zinc by itself, the expense for five electrical or four mechanical horse-power through an efficient motor, in a small launch, would be 2s. 6d. per hour. Many persons would willingly sacrifice 2s. 6d. per hour for the convenience, but a great item connected with the employment of zinc batteries is in the exciting fluid, and the trouble of preparing the zinc plates frequently. The process of cleaning, amalgamating and re-filling is so tedious, that the use of primary batteries for locomotive purposes is extremely limited. To re-charge a Bunsen, Grove, or bichromate battery, capable of giving six or seven hours' work at the rate of five electrical horsepower, would involve a good day's work for one man; no doubt he would consider himself entitled to a full day's wages, with the best appliances to assist him in the operation.
Several improved primary batteries have recently been brought out, which promise economical results. If the residual compound of zinc can be utilised and sold at a good price, then the cost of such motive-power may be reduced in proportion to the value of those by-products.
For the purpose of comparison, let us now employ the man who would otherwise clean and prepare the primary cells, at engine-driving. We let him attend to a 6 horse-power steam-engine, boiler, and dynamo machine for charging 50 accumulators, each of a capacity of 370 ampere hours, or one horse-power hour. The consumption of fuel will probably amount to 40 lbs. per hour, which, at the rate of 18s. a ton, will give an expenditure of nearly 4d. per hour. The energy derived from coal in the accumulator costs, in the case of a supply of 5 electrical horsepower for 7 hours, 2s. 9d.; the energy derived from the zinc in a primary battery, supplying 5 electrical horse-power for 7 hours, would cost 17s. 3d.
In order that electric launches may prove useful, it will be desirable that charging stations should be established, and on many of the British and Irish rivers and lakes there is abundance of motive power, in the shape of steam or gas-engines, or even waterwheels.
A system of hiring accumulators ready for use may, perhaps, best satisfy the conditions imposed in the case of pleasure launches.
It is difficult to compile comparative tables showing the relative expenses for running steam launches, electric launches with secondary batteries, and electric launches with primary zinc batteries; but I have roughly calculated that, for a launch having accommodation for a definite number of passengers, the total costs are as 1, 2.5, and 12 respectively, steam being lowest and zinc batteries highest.
The accumulators are, in this case, charged by a small high-pressure steam-engine, and a very large margin for depreciation and interest on plant is added. The launch taken for this comparison must run during 2,000 hours in the year, and be principally employed in a regular passenger service, police and harbour duties, postal service on the lakes and rivers of foreign countries, and the like.
A complete Faure-Sellon-Volckmar cell, such as is used in the existing electric launches, weighs, when ready for use, 56 lbs.; and it stores energy equal to 1 horse-power for 1 hour - 1,980,000 foot-pounds, or about 1 horse-power per minute for each pound weight of material. It is not advantageous to withdraw the whole amount of energy put in; although its charging capacity is as much as 370 ampere hours, we do not use more than 80 per cent., or 300 ampere hours; hence, if we discharge these accumulators at the rate of 40 amperes, we obtain an almost constant current for 7 1/2 hours; one cell gives an E.M.F. of 2 volts. In order to have a constant power of 1 horse for 7 1/2 hours, at the rate of 40 amperes discharge, we must have more than 9 cells per electrical horse-power; and 47 such cells will supply 5 electrical horse power for the time stated, and these 47 cells will weigh 2,632 lbs.
We could employ half the number of cells by using them at the rate of 80 amperes, but then they will supply the power for less than half the time. The fact, however, that the cells will give so high a rate of discharge for a few hours, is, in itself, important, since we are enabled to apply great power if desirable; the 47 cells above referred to can be made to give 10 or 12 electrical horse-power for over two hours, and thus propel the boat at a very high speed, provided that the motor is adapted to utilise such powerful currents.
The above-mentioned weight of battery power - viz., 2,632 lbs., to which has to be added the weight of the motor and the various fittings—represents, in the case of a steam launch, the weight of coals, steam-boiler, engine, and fittings. The electro-motor capable of giving 4 horse-power on the screw shaft need not weigh 400 lbs. if economically designed; this, added to the weight of the accumulators, and allowing a margin for switches and leads, brings the whole apparatus up to about 28 cwt.
An equally powerful launch engine and boiler, together with a maximum stowage of fuel, will weigh about the same. There is, however, this disadvantage about the steam power, that it occupies the most valuable part of the vessel, taking away some eight or nine feet of the widest and most convenient part, and in a launch of 24 feet length, requiring such a power as we have been discussing, this is actually one third of the total length of the vessel, and one-half of the passenger accommodation; therefore, I may safely assert that an electric launch will carry about twice as many people as a steam launch of similar dimensions.
The drawing, fig. 1, represents an electric launch built by Messrs. Yarrow and Company, and fitted up by the Electrical Power Storage Company, for the recent Electrical Exhibition in Vienna. She made a great number of successful voyages on the river Danube during the autumn. Her hull is of steel, 40 feet long and 6 feet beam, and there are seats to accommodate 40 adults comfortably. Her accumulators are stowed away under the floor, so is the motor, but owing to the lines of the boat, the floor just above the motor is raised a few inches. This motor is a Siemens D2 machine, capable of working up to 7 horse-power with 80 accumulators.
In speaking of the horse-power of an electro-motor, I always mean the actual power developed on the shaft, and not the electrical horse-power; this, therefore, should not be compared to the indicated horse-power of a steam-engine.
Comparing the relative weights of the steam-power and the electric-power for this launch, we find that they are nearly equal, each approaches 50 cwt.; but in the case of the steam launch we include 10 cwt. of coals, which can be stowed into the bunkers, and which allow fifteen hours' continuous steaming, whereas the electric energy stored up will only give us seven and a-half hours with perfect safety.
I have here allowed 8 lbs. of coal per indicated horse-power per hour, and 10 horse-power giving off 7 mechanical horse-power on the screw shaft; this is an example of an average launch engine. There are launch engines in existence which do not consume one-half that amount of fuel, but these are so few, so rare, and so expensive, that I have neglected them in this account.
Our present accumulator supplies 33,000 foot-pounds of work per pound of lead, but theoretically one pound of lead manifests an energy equal to 360,000 foot-pounds in the separation from its oxide; and in the case of iron, Prof. Osborne Reynolds told us in this place, the energy evolved by its oxidation is equivalent to 1,900,000 foot-pounds per pound of metal.
Theoretically then, with our weight of fully oxidised lead, we should be able to travel for 82 hours; with the same weight of iron for 430 hours, or 18 days and nights continually, at the rate of 8 miles per hour, with one charge. Of course, these feats are quite impossible. We might as well dream of getting 5 horse-power out of a steam-engine for one pound of coal per hour.
With dynamo machines the aim has been to obtain as nearly as possible as much electrical energy out of the machine as has been put in by the prime mover, irrespective of the quantity of material employed in its construction. Dr. J. Hopkinson has not only improved upon the Edison dynamo, and obtained 94 per cent. of the powers applied in the form of electrical energy, but he got 50 horse-power out of the same quantity of iron and copper where Edison could only get 20 horse-power - and, though the efficiency of this generator is perfect, it could not be called an efficient motor, suitable for locomotion by land or water, because it is still too heavy. An efficient motor for locomotion purposes must not only give out in mechanical work as nearly as possible as much as the electrical energy put in, but it must be of small weight, because it has to propel itself along with the vehicle, and every pound weight of the motor represents so many foot-pounds of energy used in its own propulsion; thus, if a motor weighed 660 pounds, and were travelling at the rate of 50 feet per minute, against gravitation, it would expend 33,000 foot-pounds per minute in moving itself, and although this machine may give 2 horsepower, with an efficiency of 90 per cent., it would, in the case of a boat or a tram-car, be termed a wasteful machine. Here we have an all important factor which can be neglected, to a certain extent, in the dynamo as a generator, although from an economical point of view, excessive weight in the dynamo must also be carefully avoided.
The proper test for an electro-motor, therefore, is not merely its efficiency, or the quotient of the mechanical power given out, divided by the electrical energy put in, but also the number of feet it could raise its own weight in a given space of time, with a given current, or, in other words, the number of foot-pounds of work each pound weight of the motor would give out.
The Siemens D2 machine, as used in the launch shown, is one of the lightest and best motors, it gives 7 horse-power on the shaft, with an expenditure of 9 electrical horse-power, and it weighs 658 lbs.; its efficiency, therefore, is 7-9ths, or nearly 78 per cent.; but its "co-efficient" as an engine of locomotion is 351 - that is to say, each pound weight of the motor will yield 351 footpounds on the shaft. We could get even more than 7 horse-power out of this machine, by either running it at an excessive speed, or by using excessive currents; in both cases, however, we should shorten the life of the apparatus.
With a given energy expressed in watts, we can arrange a quantity of wire and iron to produce a certain quantity of work; the smaller the quantity of material employed, and the larger the return for the energy put in, the greater is the total efficiency of the machine.
Powerful electro-magnets, judiciously arranged, must make powerful motors. The ease with which powerful electro-magnets can be constructed, has led many to believe that the power of an electro-motor can be increased almost infinitely, without a corresponding increase of energy spent. The strongest magnet can be produced with an exceedingly small current, if we only wind sufficient wire upon an iron core. An electro-magnet excited by a tiny battery of 10 volts, and, say, one ampere of current, may be able to hold a tremendous weight in suspension, although the energy consumed amounts to only 10 watts, or less than 1-75th of a horse-power; but the suspended weight produces no mechanical work. Mechanical work would only be done if we discontinued the flow of the current, in which case the said weight would drop; if the distance is sufficiently small, the magnet could, by the application of the current from the battery, raise the weight again, and if that operation is repeated many times in a minute, then we could determine the mechanical work performed. Assuming that the weight raised is 1,000 lbs., and that we could make ana break the current two hundred times a minute, then the work done by the falling mass could, under no circumstances, equal 1-75th of a horse-power, or 440 foot-pounds; that is, 1,000 lbs. lifted 2.27 feet high in a minute, or about one-eighth of an inch for each operation; hence the mere statical pull, or power of the magnet, does in no way tend to increase the energy furnished by the battery or generator, for the instant we wish to do work we must have motion - work being the product of mass and distance.
Large field-magnets are advantageous, and the tendency in the manufacture of dynamo machines has been to increase the mass of iron, because with long and heavy cores and pole pieces there is a steady magnetism ensured, and therefore a steady current, since large masses of iron take a long time to magnetize and demagnetize; thus very slight irregularities in the speed of an armature are not so easily perceived. In the case of electro-motors these conditions are changed. In the first place, we assume that the current put through the coils of the magnets is continuous; and secondly, we can count upon the momentum of the armature, as well as the momentum of the driven object, to assist us over slight irregularities. With electric launches we are bound to employ a battery current, and battery currents are perfectly continuous - there are no sudden changes; it is consequently a question as to how small a mass of iron we may employ in our dynamo as a motor without sacrificing efficiency. The intensity of the magnetic field must be got by saturating the iron, and the energy being fixed, this saturation determines the limit of the weight of iron. Soft wrought iron, divided into the largest possible number of pieces, will serve our purpose best. The question of strength of materials plays also an important part. We cannot reduce the quantity and division to such a point that the rigidity and equilibrium of the whole structure is in any way endangered.
The armature, for instance, must not give way to the centrifugal forces imposed upon it, nor should the field magnets be so flexible as to yield to the statical pull of the magnetic poles. The compass of this paper does not permit of a detailed discussion of the essential points to be observed in the construction of electro-motors; a reference to the main points, may, however, be useful. The designer has, first of all, to determine the most effective positions of the purely electrical and magnetic parts; secondly, compactness and simplicity in details; thirdly, easy access to such parts as are subject to wear and adjustment; and, fourthly, the cost of materials and labour. The internal resistance of the motor should be proportioned to the resistances of the generator, and the conductors leading from the generator to the receiver.
The insulation resistances must be as high as possible; the insulation can never be too good. The motor should, be made to run at that speed at which it gives the greatest power with a high efficiency, without heating to a degree which would damage the insulating material.
Before fixing a motor in its final position, it should also be tested for power with a dynamometer, and for this purpose a Prony brake answers very well.
An ammeter inserted in the circuit will show at a glance what current is passing at any particular speed, and volt-meter readings are taken at the terminals of the machine, when the same is standing still as well as when the armature is running, because the E.M.F. indicated when the armature is at rest alone determines the commercial efficiency of the motor, whereas the E.M.F. developed during motion varies with the speed until it nearly reaches the E.M.F. in the leads; at that point the theoretical efficiency will be highest.
Calculations are greatly facilitated, and the value of tests can be ascertained quickly, if the constant of the brake is ascertained; then it will be simply necessary to multiply the number of revolutions and the weight at the end of the lever by such a constant, and the product gives the horse-power, because, with a given Prony brake, the only variable quantities are the weight and the speed. All the observations, electrical and mechanical, are made simultaneously. The electrical horse-power put into the motor is found by the well-known formula C x E / 746; this simple multiplication and division becomes very tedious and even laborious if many tests have to be made in quick succession, and to obviate this trouble, and prevent errors, I have constructed a horse-power diagram, the principle of which is shown in the diagram (fig. 2).
Graphic representations are of the greatest value in all comparative tests. Mr. Gisbert Kapp has recently made known a useful curve, by means of which one can easily compare the power and efficiency at a glance. (Fig. 3.)
The speeds are plotted as abscissae, and the electrical work absorbed in watts divided by 746 as ordinates; then with a series-wound motor we obtain the curve, E, E. The shape of this curve depends on the type of the motor. Variation of speed is obtained by loading the brake with different weights. We begin with an excess of weight which holds the motor fast, and then a maximum current will flow through it without producing any external work. When we remove the brake altogether, the motor will run with a maximum speed, and again produce no external work, but in this case very little current will pass; this maximum speed is, o, m, on the diagram. Between these two extremes external work will be done, and there is a speed at which this is a maximum. To find these speeds we load the brake to different weights, and plot the resulting speeds and horse-powers as abscissae and ordinates producing the curve, B B. Another curve, e = B/E, made with an arbitrary scale, gives the commercial efficiency; the speed for a maximum external horse-power is o, a, and the speed for the highest efficiency is represented by o, b. In practice it is not necessary to test a motor to the whole limits of this diagram, it will be sufficient to commence with a speed at which the efficiency becomes appreciable, and to leave off with that speed which renders the desired power.
I have now to draw your attention to a new motor of my own invention, of the weight of 124 lbs., which, at 1,550 revolutions, gives 31 amperes and 61.5 volts at terminals. The mechanical horse-power is 1.37, and the coefficient 373.
Armature resistance....... .4w.
Field-magnet resistance.. .17w.
Insulation resistance 1,500,000w.
This motor was only completed on the morning before reading the paper; it could not, therefore, be tested as to its various capacities.
We have next to consider the principle of applying the motive power to the propulsion of a launch. The propellers hitherto practically applied in steam navigation are the paddle-wheel and the screw. The experience of modern steam navigation points to the exclusive use and advantage of the screw propeller where great speed of shaft is obtainable, and the electric engine is preeminently a high-speed engine, consequently the screw appears to be most suitable to the requirements of electric boats. By simply fixing the propeller to the prolonged motor shaft, we complete the whole system, which, when correctly made, will do its duty in perfect order, with an efficiency approaching theory to a high degree.
Whatever force may be imparted to the water by a propeller, such force can be resolved into two elements, one of which is parallel, and the other in a plane at right angles to the keel. The parallel force alone has the propelling effect; the screw, therefore, should always be so constructed that its surfaces shall be chiefly employed in driving the water in a direction parallel to the keel from stem to stern.
It is evident that a finely pitched screw, running at a high velocity, will supply these conditions best. With the beautiful screw made by Messrs. Yarrow, 95 per cent, of efficiency have been obtained when running at a speed of over 800 revolutions per minute, that is to say, only 5 per cent, was lost in slip.
Reviewing the various points of advantage, it appears that electricity will, in times to come, be largely used for propelling launches, and, perhaps, something more than launches.
The Chairman, Mr. W. H. Preece, F.R.S., in inviting discussion, said that no doubt those present would like to know something about the cost of such a boat as Mr. Reckenzaun described, and he hoped that gentleman would give them some information on that point.
Admiral Selwyn suggested that electrical propulsion would be specially applicable to lifeboats. A lifeboat must be expected at times to capsize, and very often to be full of water, which rendered a steam-boiler an impossibility, but perhaps something might be done with electricity. Chemists would agree with him that iron and several other metals could be used for this purpose, some of which combined lightness with the capacity for complete oxidation, and some of which would probably be used in future. But with all that possibility he thought Mr. Reckenzaun was a little below the mark when he talked about the dream of getting 5 horse-power for one pound, he would not say of coal, but of fuel. For some months he had seen one-sixth lb. of fuel produce 1 horse-power, and he knew it could be done. That fuel was condensed concentrated fuel in the shape of oil. In a railway train weight was a formidable affair, but in a floating vessel it was still more important. He did not think, however, that a light secondary battery was by any means an impossibility. Mr. Loftus Perkins had actually produced, by improvements in the boiler and steam-engine, two great things; first, one indicated horsepower for a pound of fuel per hour, and next he had devised a steam-engine of 100 horse-power, of a weight of only 84 lbs. per horse-power, instead of 304 lbs., which was about the average.
Lord Sudeley thought that in the future there would be a very great opening for such boats, depending, no doubt, in great measure on what could be done with secondary batteries, in which there was, as yet, great room for improvement. Then, again, there was the question how far they could be used, unless there were conveniences at different places for charging, or re-charging them. Another important question was, how far these boats could be used in harbour defences, or in torpedo warfare, which would be a great boon, on account of the large amount of space at disposal.
Mr. Crohne (Messrs. Yarrow) said he had the highest opinion of this launch, having carried through the experiments. It was very convenient and pleasant; there was no noise, dirt, or vibration, and in every respect he considered it with great respect.
One very important point in connection with this boat was, that the weight was so low down as to ballast her in the most perfect manner, such as could not be attained in any steamer. The accommodation was very great, and the stability enormous. In the case of a life-boat, the weight being so low down would be of the greatest service; in fact, it would be almost impossible to capsize the boat. He was afraid there was no chance of using such boats for torpedo warfare, torpedo boats being cram-full of steam-power; one of that size, for instance, would be about 100 indicated horse-power; and he did not know how 70 actual horsepower was to be got from electricity in the weight such a boat would carry.
Lieut.-Colonel Webber thought the allusion made by Lord Sudeley to the use of this sort of launch for torpedo purposes was not intended to refer to the so-called torpedo boats mentioned by Mr. Crohne, having a very high speed, but rather to the advantage of having a boat with the large space, such at was here afforded, for the purpose of laying out torpedoes for the defence of harbours. Besides the advantage of a large space, it would allow of a smaller boat being used, which was of great importance, as all would recognise who had been engaged in this service. Again, when torpedoes had to be laid out at night in the neighbourhood of an enemy, the silence, and the absence of glare and reflection from the funnel, would be of the highest advantage.
Mr. Crampton said he did not think steam could ever compete with electricity, under certain circumstances; but, at the same time, it would be a long time before it was superseded. He should like very much to see the compressed oil, one-sixth of a pound of which would give 1 horse-power per hour.
Admiral Selwyn said he had seen a common Cornish boiler doing it years ago.
Mr. Crampton said it had never come under his notice, and he had no hesitation in saying that no such duty ever was performed by any oil, because he never heard of any oil which evaporated more than 18 to 22 lbs. of water per lb.
The Chairman asked if he rightly understood Admiral Selwyn that he had recently seen an invention in which one-sixth of a pound of condensed fuel would give 1 horse-power per hour.
Admiral Selwyn said it was now some years ago since he saw this thing going on, but the persons who did it did not know how or why it was done. He had studied the question for the last ten years, and now knew the rationale of it, and would be prepared shortly to publish it. He knew that 22 was the theoretical calorific value of the pound of oil, and never supposed that oil alone would give 46 lbs., which he saw it doing. He had found out that by means of the oil forming carbon constantly in the furnace, the hydrogen of the steam was burned, and that it was a fallacy to suppose that an equal quantity of heat was used in raising steam, at a pressure of, say, 120 lbs. to the square inch, as the hydrogen was capable of developing when properly burned. There were, however, conditions under which alone that combustion could take place - one being that the heat of the chamber must be 3,700°, and that carbon must be constantly formed.
Mr. Gumpel said it was not so much the present position of the electric launch, as its promise for the future, which was of interest and importance. One point to which he would call attention was the great speed of the propeller. It had about 9 inches pitch, and worked at 800 revolutions a minute. He believed that if Mr. Reckenzaun could construct a motor which would give a less number of revolutions, but develop the same amount of propelling power, there would be greater efficiency. With regard to the general application of electricity to the propulsion of vessels as well as to railway trains, he believed that many of those present would live to see electricity applied to that purpose, because there were so many minds now applied to the problem, that before long he had no doubt we should see coal burned in batteries, as it was now burned in steam boilers. The utmost they could do, then, would be about 50 per cent. less than Admiral Selwyn said could be accomplished with condensed fuel. He could not but wonder where Admiral Selwyn obtained his information, knowing that a theoretically perfect heat-engine would only give 23 per cent. of the absolute heat used, and that a pound of the best coal would give but 8,000 and hydrocarbon 13,000 heat units, whilst hydrogen would give 34,000, and calculating it out, how was it possible to get out of one-sixth of a pound of carbon, or any hydrocarbon, the amount of power stated. No doubt, when Admiral Selwyn applied the knowledge which physicists would give him of the amount of power which could be got out of a certain amount of carbon and hydrogen, he would find that there was a mistake made somewhere. He greatly admired the manner in which Mr. Reckenzaun had brought forward the subject, which formed a pleasant contrast to some papers they had heard from inventors of particular motors; and he thought it would be very useful if he would prepare another paper on the different forms of motors, and the conditions necessary for their efficiency.
Mr. Reckenzaun, in reply, said it would be very difficult to answer the question put by the chairman, as to the cost of an electric launch - quite as difficult as to say what would be the cost of a steam launch. It depended on the fittings, the ornamental part, the power required, and the time it was required to run. If such a launch were to run constantly, two sets of accumulators would be required, one to replace the other when discharged. This could be easily done, the floor being made to take up, and the cells could be changed in a few minutes with proper appliances. As to Admiral Selwyn's remarks about one-sixth of a pound of fuel per horse-power, he had never heard of such a thing before, and should like to know more about it. Mr. Loftus Perkin's new steam-engine was a wonderful example of modern engineering. A comparatively small engine, occupying no more space than that of a steam launch of considerable dimensions, developed 800 horse-power indicated. From a mechanical point of view, this engine was extremely interesting; it had four cylinders, but only one crank and one connecting rod; and there were no dead centres. The mechanism was very beautiful, but would require elaborate diagrams to explain. Mr. Perkins deserved the greatest praise for it, for in it he had reduced both the weight of the engine and the consumption of fuel to a minimum. He believed he used coke, and took one pound per horse-power. He should not like to cross the Channel in the electric launch, if there was a heavy sea on, for shaking certainly did not increase the efficiency of the accumulators, but a fair amount of motion they could stand, and they had run on the Thames, by the side of heavy tug-boats causing a considerable amount of swell, without any mishap. Of course each box was provided with a lid, and the plates were so closely packed that a fair amount of shaking would not affect them; the only danger was the spilling of the acid. Mr. Crohne had remarked that a torpedo boat of that size would have 100 indicated horse-power, but then the whole boat would be filled with machinery. What might be done with electricity, they had, as yet, no idea of. At present, they could only get 33,000 foot pounds from 1 lb. of lead and acid, though, theoretically, they ought to get 360,000 footpounds. Iron, in its oxidation, would manifest theoretically 1,900,000 foot-pounds per lb. of material. As yet they had not succeeded in making an iron accumulator; if they could, they would get about six or seven times the energy for the same weight of material, or could reduce the weight proportionately for the same power, and in that way they might eventually get 70 horse-power in a boat of that size, because the weight of the motor was not great. With regard to the formation of a film on the surface, no doubt a film of sulphate of lead was formed if the battery stood idle, but it did not considerably reduce its efficiency; as soon as it was broken through by the energy being evolved from it, it would give off its maximum current. They knew by experience that, with properly constructed accumulators, 80 per cent. of the energy put into them was returned in work. With regard to Mr. Gumpel's remark on the propeller, he would say that it was constructed to run 900 revolutions; if it were driven by a steam-engine, and the speed reduced to 300, not only would the pitch have to be altered, but the surface would have to be larger, which would entail more friction. Mr. Crohne would bear him out that they lost only 5 per cent, by slip and friction combined, on an average of a great number of trials, both with and against the current.
Mr. Gumpel remarked that Sir E. J. Reed had pointed out in that room that it was a fallacy to suppose that slip in itself was a loss. You must have slip for the purpose of propelling the vessel. The 5 per cent. loss would not give any idea of the efficiency of the propellor in itself.
Mr. Crohne said he had always been of opinion that such a fine pitch would not do at all, and they had an electric launch made with gear to reduce the speed of the propeller; but, practically, he found he was mistaken. He had expected that negative slip and the friction of the propeller would be a serious impediment, but he found he was entirely mistaken. This wonderfully fine pitch of about 10 inches, and a diameter of 20 inches, was quite unknown before, as far as he was aware, but it gave very good results indeed.
The Chairman, in proposing a vote of thanks to Mr. Reckenzaun, said he rejoiced to find that that gentleman had proved, to one practical man at least, that his views had been mistaken. He found in these days of the practical applications of electricity, that the ideas of most practical men were gradually being proved to be mistaken, and every day new facts were being discovered, which led them to imagine that as yet they were only on the shore of an enormous ocean of knowledge. It was quite impossible to Bay what these electric launches would lead to. Enormous strides were being made with regard to secondary batteries. No one present had been a greater sceptic with regard to them at first than he himself; but after constant experiments - employing them, as he had done for many months, for telegraphic purposes - he was gradually coming to view them with a much more favourable eye. He must congratulate Mr. Reckenzaun on the excellent diagrams he had constructed. The trouble of calculating figures of this sort was very great when making experiments; and the use of diagrams and curves expedited the labour very much. At present they were passing through a stage of electrical depression; robbery had been committed on a large scale; the earnings of the poor had been filched out of their pockets by sanguine company promoters; an enormous amount of money had been lost, and the result had been that confidence was, to a great extent, destroyed. But those who had been wise enough to keep their money in their pockets, and to read the papers read in that room, must have seen that there was a constant steady advance in scientific knowledge of the laws of electricity and in their practical applications, and as soon as some of these rotten mushroom companies had been wiped out of existence, they might hope that real practical progress would be made, and that the day was not far distant when the public would again acquire confidence in electrical enterprise. They would then enable inventors and practical men to carry out their experiments, and to put electrical matters on a proper footing.
On Wednesday, the 2nd of April, a paper was read before the Institution of Naval Architects by Mr. A. F. Yarrow, who gave a description of the electrical launch built last year. He said :- "The object of the present paper is to briefly describe an electric launch built last year jointly by the Electric Storage Company, Messrs. Siemens Bros., and ourselves. After numerous trials had taken place with it on the Thames, it was forwarded to Vienna, where it was shown at work on the Danube during the Electrical Exhibition.
I do not propose to trace what has previously been done in this direction, that having been already fully dealt with by others, more particularly of late by my friend Mr. Reckenzaun, in communications to the British Association and to the Society of Arts; to these papers I would refer those gentlemen who are interested in this subject, treated more particularly from an electrical point of view.
The losses incurred in the process of charging storage cells by which the launch was driven, and giving off electricity are estimated differently by various authorities. An average of these estimates gives approximately the following :-
................................................. Per Cent. Residue
................................................................ per Cent.
Starting with the engine which drives the
dynamo, converting mechanical energy
into electric energy, there is a loss of.... 15 ....... 85
Loss in passing the electricity into the ac-
cumulators......................................... 10 ....... 76 1/2
Loss due to the reverse action, namely,
converting stored electricity into me-
chanical energy.................................... 25 ...... 57 1/2
Leaving an estimated residue of 57 1/2 per
cent. .................................................... - ........ -
From our own experience I am satisfied that the power required to charge the cells at our works, compared with the ultimate power given off to drive the launch under ordinary working conditions, shows that a return of from 45 to 50 per cent. may certainly be relied on.
The motor made by Messrs. Siemens Bros. they state to be capable of working up to 8 to 9 H.P. tested on the brake, but in the launch it probably did not exceed 7 H.P.
The weight of the hull was........................ 2 ... 0
The weight of the storage cells................... 2 ... 0 1/2
The weight of the dynamo, shafting, stern
tube, and propeller................................... 0 ... 10
Making a total displacement of................... 4 ... 10 1/2
The dimensions were 40 ft. in length by 6 ft. beam.
Owing to the very low position of the accumulators, a narrower beam in proportion to length is admissible than in a steam-launch assuming an equal stability in both cases, and any reduced resistance due to the finer lines may fairly go down to the credit of the electrical system.
On a continuous run it was found that as the accumulators became weakened the speed gradually fell off. During the first three hours this reduction amounted to about half a knot per hour. To meet this difficulty when a continuous run was required at a uniform speed a certain number of cells, say fifty or sixty, for example, were connected up, the current from these only driving the motor at first, and as it fell off other cells were coupled up and brought into the circuit, so that the additional fully-charged cells made up for the deficiency of those partially exhausted. In this manner the boat could be kept running for five to six hours.
If, however, the best result was required for a short time only all the cells were connected up, and the full power used.
The best result obtained at Long Reach, with six persons on board, and a displacement of about five tons, having seventy-one cells in circuit, was 6.9 knots, i.e., eight statute miles, the revolutions of the motor being 674 per minute. Each cell, when fully charged, weighing 1/2 cwt., is stated to be equivalent to one net horse-power for an hour developed on the shaft, but I believe, in actual practice, a considerable reduction from this estimate must be made. No doubt, had the motor been designed with the view to make a less number of revolutions, greater efficiency would have been obtained from the propeller, which was 24 in. diam. by 13 in. pitch.
Comparing this electrical launch with a steam launch provided with an ordinary high-pressure engine, giving the steam launch an increased beam, in order to secure the same stability, making engine, boiler, water in boiler, and coals sufficient for a six hours' run, equal in weight to the accumulator and motor, the mean speed of the steam launch would have been from 1 1/2 to 2 miles an hour faster than the electrical launch. Had it been for use in salt water, necessitating a supply of fresh water as well as fuel to be carried for the six hours, the above advantages in favour of steam would be much reduced.
Touching the time occupied in charging the accumulators, this depends upon the amount of current generated in the first instance. Assuming the least waste or loss of energy is desired, the time for the charging process should occupy about 25 per cent. longer than the giving-off process, i.e., if the boat is to run for six hours, the charging should be estimated to occupy seven and a half hours. It can be done faster, but with a greater loss of power.
The leakage of electricity when standing depends to a great extent upon the perfection of the insulation; this loss has been estimated by different authorities at from 2 per cent. to 10 per cent. per day. We ourselves took no steps to test this, but I can say that if the accumulators were charged on a certain day, the boat would be available for use any time during the following week.
It will be seen that as it is ready for use at any moment, consequently in this respect it should be compared with a steam launch having steam always up. In the one case, however, a man must be in constant attendance, while in the other this is unnecessary.
The difficulties that we met with while the launch was in our hands were not so great as we expected, and were in a great measure due to want of experience on our part; this was especially the case as regards insulation, sufficient care not having been taken in the first instance. The motor gave some trouble, probably due to passing excessive currents through it with a view to obtain the best possible speed, and after a run of half an hour or so on two occasions, the machine became over-heated, the insulating covering of the wires being damaged. These difficulties, on better acquaintance with the subject, would doubtless vanish.
As to the cost of working, I will abstain from any attempt at giving figures, which, at the present stage of development of the subject, would be unreliable.
Touching the durability of the accumulators, we have no experience ourselves, but I believe, when in the hands of those who thoroughly understand them, the wear and tear is by no means excessive or prohibitory.
They may be spoilt in a few minutes by neglect or inexperience. The same, however, can be said of a steam-boiler.
As to the durability of the motor, the wear and tear of this would, I believe, be small, although the strains are considerable; there is no change from a reciprocating to a rotary motion necessary, and every part of the machine is capable of being balanced with great accuracy.
As to the direction in which to look for improvements, not being an electrician, I am unable to suggest, but what is evident at a glance is that both dynamos, as well as accumulators, find a sale mostly for electric light purposes, in which case they are stationary, and weight is no object. I believe in the direction of a reduction of weight something at least might be secured to improve this system as applicable to propulsion. At present the limit of power which a motor is capable of developing is partly determined by the heat produced by the current in passing through the wires, and the risk of destruction of the insulating material surrounding these wires, which is usually cotton or silk. It has been suggested to substitute for these asbestos, or some non-conductor capable of withstanding a high temperature. If this is practicable, a more powerful current could be employed, and a greater power developed from a given weight of machine.
Comparing the electrical system with steam, the advantages in favour of the former may be stated briefly as follows:
(1) Entire absence of noise.
(2) Great cleanliness.
(3) The whole of the boat is available for passenger accommodation, the midship, or best part of it, not being occupied by machinery.
(4) When once charged, it is ready for use at a moment's notice.
The points against it are :-
(1) Difficulty and delay in frequent charging.
(2) Greater first cost.
(3) Greater cost of working in those cases where an engine has specially to be laid down for the purpose of charging.
Probably the first cost of the accumulators may be ultimately materially reduced, there being a very large difference between their present price and their cost of production.
Under those circumstances, where the above objections exist to a minimum, and the advantages to a maximum extent, the electrical system, even at its present stage of development, seems to me to be quite available; for example, when a natural source of power exists, such as a fall of water, a dynamo may be easily driven, and at a nominal cost, to charge the cells. If wished, this could be done during the night, and the boat would be available for use during the day. Under such conditions, the electrical system would, I believe, have a balance of advantages in its favour.
It is reasonable to suppose that electrical boats may be found useful for various purposes, such as pleasure yachts; and fitted up as torpedo boats for night attack, being perfectly noiseless, and without funnel or fire to betray their existence they would seem to be eminently suitable.
To what extent the electrical system as regards its application to propulsion may in the future develop, it is clearly impossible for anyone to foretell, but if the launch which I have had the honour to describe is to be looked upon as a link in the chain of advance, I would desire to add that the credit belongs to the electrical engineers with whom I had the pleasure to be associated."
A discussion followed the reading of Mr. Yarrow's paper, in which Admiral Selwyn, Mr. Liggins, Mr. White, Mr. Henry Morgan, and Mr. Reckenzaun took part.
Trial of an Electric Launch. - One of Clark's patent electric launches was tried last week on the Forth and Clyde Canal. The launch is 25 feet long by 4 feet 10 inches beam, and weighs complete, with batteries charged, about 7 1/2 cwt., being driven by a patent propeller 15 inches diameter. During the trial a speed of between five and six miles an hour was maintained, while the motor worked noiselessly and without vibration, developing 2.6 H.-P. This boat is the first of a fleet being built to the order of a Munich Company, who have obtained a monopoly from the Prussian Government for several of the neighbouring lakes, and the trial proved very satisfactory, showing that considerable improvement had been made in these launches since their introduction last year.
An Electric Launch in Search of Dynamiters. - On the evening of February 19th, a newly-fitted electric launch was run on the Thames. The intention of the trip was to demonstrate the superiority of electrically propelled boats to any other for the purpose of patrolling rivers and harbours. One of the novelties on this launch is a search light of 3,000 candle power, which is actuated by a set of E.P.S. accumulators, which also propel the launch by means of a Reckenzaun motor at a speed of eight miles an hour. This search light is sufficiently powerful to illuminate the whole width of the river at will.
THE new electric boat - the Volta - has been successfully launched at Greenwich. Messrs. Stephens, Smith, and Co., engineers, are contractors for this new vessel. The hull was built by Mr. Skelton of galvanised steel, and her dimensions are - 36ft. long, 7ft. beam, and 3 1/2ft. depth; she draws 20in. forward and 26in. aft, with a displacement of 5 1/2 tons. The screw propeller is driven by two Reckenzaun motors, which are coupled direct to and in a line with the screw shaft, the whole of the machinery being placed underneath the floor. The electric current is supplied by seventy E.P.S. cells, which are placed low down in the boat, underneath the floor, and they form thus a perfectly distributed ballast, such as cannot be got in a small steamboat. There are two masts provided and sails, so that the electric power can be economised when desirable for voyages of greater duration than the accumulators can supply current for, which is forty miles with one charge. The mast and sails can be quickly applied or removed.
LAUNCHES. - English.
Volta. - On August 31st this electric launch was successfully put into the water at Greenwich Ferry. The contractors of the new vessel are Messrs. Stephens, Smith & Co., engineers, Millwall, and she was built at Mr. Skelton's yard at Millwall. The hull of the Volta is of galvanised steel, and she is 36 ft. long, 7 ft. beam, and 3 ft. 6 in. deep; her draught, with a displacement of 5 1/2 tons, is 26 in. aft and 20 in. forward. There are several novel features worthy of notice in this boat. Two Reckenzaun motors, arranged in a line with the keel, and placed under the floor, are used for driving the screw propeller, in a similar manner as the worm gear is driven in M. Reckenzaun's electric tramcars. By sending the electric current through the motors with their circuits arranged in series or in parallel, or through one motor alone, various speeds and powers are obtained, without introducing artificial resistances or varying the E.M.F. of the battery. Thus, 4, 7, or 12 H.P., equivalent to 5, 9, and 15 B.H.P. of a steam engine, are obtained on the screw shaft at will, with corresponding speeds of the boat. Seventy accumulators of the E.P.S. type furnish the current, which will propel the launch about 40 miles with one charge. These cells are placed at the bottom of the boat, under the floor, so low down as to ballast her in the most perfect manner, such as could not be attained by any steamboat. The vessel is fitted with two masts and sails, to economise the power, when requisite, for longer trips than allowed for in the accumulators. The Volta is to make a 40 mile trip down the river Thames, and afterwards a voyage across the English Channel is contemplated.
TRIAL OF AN ELECTRIC LAUNCH.
On the River Cart at Paisley on August 13th, a screw launch, propelled by electricity, was tested. The inventor, Mr. James Gibson, Cartha Works, Paisley, claims for the appliance that it furnishes an easy means of locomotion, and that it has the additional recommendation that in working it will be found to be cheaper than a steam engine giving a similar result in the way of speed. The vessel on which it was tried was of small dimensions, only having a length of about 24 ft., and a breadth of beam of 5 ft. 3 in.; but the effect which was attained was enough to show that even in craft of larger size the invention will be equally successful. The power was that known as stored electricity. That is to say, the fluid was conveyed on board the boat in cells charged by a dynamo, and in this case specially brought from London for use. This power is made to act on the screw in a very simple way. The current is sent through an armature, on the spindle of which is placed square-cut gearing which reduces the initial velocity from 1,500 revolutions per minute to 230 - a speed which sufficed to move the launch at the rate of rather more than seven miles an hour. Another method by which Mr. Gibson has found the power can be satisfactorily communicated is by friction pulleys, which, in order to enable the person to increase or diminish the speed of the vessel as circumstances may dictate, take the form of cones. One of these, measuring 12 in. in length and tapering from four inches in diameter down to two, is placed on the armature spindle, while another of the same length, but having a diameter tapering from 14 to 12 in., is fitted on the shaft of the propeller. These cones are about three inches apart, and have their surfaces parallel and three inches from each other. The intervening space is filled up with a nest of three smaller cones which bear on the larger ones, and by moving which to the large or small end of the other cones it is possible to control the speed of the vessel.
New Nautical Song.
[The Volta, a launch driven by Electricity, has just successfully crossed the Channel.]
Oh, she is a gallant boat.
Sing a dy-na-mo!
Quite the rummiest craft afloat,
Sing a dy-na-mo!
She is strong as is the eagle,
And as swift as any beagle,
And the foe she will inveigle,
Sing a dy-na-mo!
And she made the Channel trip,
Sing a dy-na-mo!
Just like any other ship,
Sing a dy-na-mo!
And she makes no noise when going,
With no steam nor sail nor rowing,
And but little of her showing,
Sing a dy-na-mo!
She can go across the sea,
Sing a dy-na-mo!
Worked by Electricitee,
Sing a dy-na-mo!
And they say she's a first-rater,
Though I can't explain the natur,
Of that there accumulator;
Sing a dy-na-mo!
Though our guns may all be bad,
Sing a dy-na-mo!
There is comfort to be had,
Sing a dy-na-mo!
In this here electric notion,
Which can cause so much commotion
'Mid our foes upon the ocean,
Sing a dy-na-mo!
The electric launch Volta, which was designed and built by Mr. Skelton at Millwall, made a very successful trip from Dover to Calais and back on September 13th. The Volta, which is steel built, measures 37 ft. long by 6 ft. 10 in. beam, and is fitted with a battery of 61 cells made by the Electric Power and Storage Company, and a duplex Reckenzaun electric motor - that is, two motors carried on one driving shaft. By means of this motor the speed can be varied without affecting the accumulators, three speeds being obtained from it - namely, slow, medium, and fast. For the slow speed the motors are coupled in series, for the medium speed one motor only is used, while for the maximum speed the two motors are used in parallel - that is, they are both worked at high pressure Another important feature is that all these speeds are produced and the vessel started and stopped by means of one switch only, having one handle, thus reducing the control of the speed of the boat to the simplest terms.
There is a separate switch for reversing the motion of the motors from ahead to astern and vice versd, and this is done by simply reversing the current through the armature without interfering with the field magnets, and requiring only two brushes to effect the operation, which brushes are never moved. The motors, which are placed well aft, directly over the keel, measure together 3 ft 10 in. long by 1 ft. 9 in. wide and 12 1/2 in. high over all. They weigh 730 lbs., and develop a maximum of 16 H.P. on the brake. The Volta is propelled by a three-bladed screw 20 in. in diameter and 11 in. pitch, coupled direct to the motor shaft. The propelling machinery, which was made by Messrs. Stephens, Smith, & Co., of Millwall, makes about 600 revolutions per minute at the slow speed, and about 1,000 revolutions per minute at full speed. The storage cells weigh about two tons, and are arranged along the keel of the vessel beneath a wood decking.
The battery of the Volta was charged by a dynamo on shore at Dover, the electro-motive force at starting being 120 volts at 28 amperes. She passed the pierhead at Dover at 10:41 a.m. and made the pierhead at Calais at 2:32 p.m., the run having thus occupied 3 hours 51 minutes. She was in charge of Mr. Sims, pilot, and carried on board General Brine, R.E., Mr. Reckenzaun, Mr. Stephens, and several scientific gentlemen, making with the crew 10 persons in all. The Volta did not take the direct route, having gone somewhat off her course when nearing the French coast. She was propelled at slow speed (600 revolutions per minute) in order to economise the current and insure its lasting the whole run, speed not being so much an object as to demonstrate the practicability of a vessel making such a voyage by electricity. On testing the battery at Calais no difference whatever was found, the cells still showing 28 amperes as at starting. The progress of the boat through the water was very smooth and noiseless, so much so that a sleeping gannet was captured by hand as the boat was passing it, and was conveyed back to Dover. On the return journey, which was run at slow speed, Calais pierhead was passed at 3:14 p.m., and Dover pierhead made at 7:37 p.m., being 4 hours 23 minutes for the run - or a total of 8 hours 14 minutes employed in travelling the double journey, exclusive of the stoppage at Calais. The current remained constant at 28 amperes up to 5 p.m., but at 6 p.m. it was found to have dropped to 25, another ampere being lost before Dover was reached. An excellent margin of power, however, still remained, and the last half-mile was run at the high speed, the motors and screw making 1,000 revolutions per minute. The practicability of electrical propulsion was thus successfully demonstrated, and the way doubtless paved for the further application of the principle in the direction indicated by the class of craft to which it had previously been applied.
Mr. Skelton has for some years past repeatedly called the attention of the Admiralty authorities to the superiority of electric power over steam for the pinnaces used in H. M. service, as they would be noiseless, and always ready for use at an instant's notice.
A VOYAGE OF THE VOLTA.
A NOTABLE event in the record of electrical achievements was that which took place on Monday, September 13th, when the Volta, a launch fitted with a Reckenzaun motor and a set of E.P.S. storage cells, ventured across the English Channel, landed her occupants at Calais, reshipped them, and returned in safety to Dover. This remarkable trip may certainly be regarded as a great triumph for electric science, notwithstanding that the possibility of propelling boats by electricity had been amply demonstrated before. As our readers are aware, nearly four years ago the Electricity was run upon the Thames, and at various periods since other boats fitted with Mr. Reckenzann's motors have been built, the most noteworthy being the launches constructed for the English and Italian Governments and the little electric boat attached to the Duke of Bedford's yacht Northumbria. It is within our knowledge that the Volta itself made journeys up and down the river to distances of over fifty miles. But river trips attract comparatively little attention, and do not convey the impression which a sea voyage does of the value of any new kind of craft. The elements of danger are not so numerous, and there is less chance of prolonged inconvenience; for in the event of the exhaustion of the actuating force, whatever it might be, or of a breakdown of any sort, it would be a very simple matter to row or to be towed ashore. As an illustration of our assumption that the ocean is much more formidable than the river where new means of transport are concerned, we may cite the case of steamboats, which were used with success on rivers for many years before anybody ventured across the seas in one. People who felt quite secure whilst the new boat confined its range to rivers, hesitated and calculated the prospects of failure when a trip to sea was proposed. This sounds a little curious in these days when the other end of the world is not considered too far away for a steam voyage. Yet so it was. And the aim of the promoters of the Volta's voyage was to overcome this timidity in the case of electricity likewise. Once the trial has been made, and the ease and safety of the thing have been demonstrated, absolute faith will be placed in electric boats by "the general," and the only danger is that they will become a little too credulous and imbibe the belief that to-morrow we shall be flying across the raging main in huge electric vessels in which the detestable noiee, heat, and dirt of the present-day steam engines and their appurtenances will play no part. Despondingly and sorrowfully we say it, but the truth must be confessed, - this roseate vision will not be realised in this or the next generation; in fact, so far away from present possibilities is its accomplishment that it seems to belong to the realm of the impossible.
A few facts about the Volta may be of interest. She is steel built, measures 37 ft. long by 6 ft. 10 in. beam, and is fitted with a battery of sixty-one cells and a duplex Reckenzaun motor, that is, two motors carried on one driving-shaft. By means of this motor the speed can be varied without affecting the accumulators, three speeds being obtained from it, namely, slow, medium, and fast. For the slow speed the motors are coupled in series, for the medium speed one motor only is used, while for the maximum speed the two motors are used in parallel. One switch only serves to regulate the speed, but a separate switch is used to reverse the motors, which are placed well aft, directly over the keel, and measure together 3 ft. 10 in. long by 1 ft. 9 in. wide and 12 1/2 in. high over all. They weigh 730 lb. and develop a maximnm of 16-h.p. on the brake. The propeller is a three-bladed screw, 1 ft. 8 in. in diameter and 11 in. pitch, coupled direct to the motor shaft, whose revolutions are about 600 per minute at the slow speed and 1,000 per minute at full speed. The accumulators weigh about two tons, and are arranged along the keel of the vessel beneath a wood decking.
The Volta left Dover on Monday at 10:40 a.m., amidst bright sunshine; there was a slight wind, and the tide was running strongly. The promoters of the trip were so thoroughly assured of the ability of the little vessel to cross and recross in safety that they did not think it necessary to provide a boat of any kind to accompany her. She drifted with the tide a little eastward of the direct course on her outward journey, but arrived safely at Calais at 2:32 p.m. When about mid-channel an exciting incident occurred. Toms, the pilot (who, by the way, is the same pilot who accompanied Capt. Webb in his memorable swim from Dover to Calais), espied what appeared to be a gull asleep upon the water. As a test of the noiselessness of the vessel it was determined to get as near the sleeping bird as possible. The attempt was so successful that one of the party was enabled to seize the bird by the neck before it became aware of the propinquity of its enemies. It turned out to be a fine specimen of the Solan goose, and measured 5 ft. 11 1/2 in. from tip to tip of its outspread wings. The bird was taken alive to Dover, and next morning was killed, in order that it might be stuffed.
A stay of perhaps three-quarters of an hour was made in Calais, and the return journey was embarked upon at 3:14 p.m., by which time the tide had turned, so that the boat drifted to the westward instead of to the east as when outward bound. Allowing for this tidal drift, it is computed that the distance actually accomplished by the Volta when she reached Dover once more, which she did at 7:27 p.m., was at least fifty-four statute miles. The total time of running, including that employed in clearing the harbour, was 8 hours 4 1/2 minutes. The motors required no attention except in the shape of lubrication, and the switch handle was not touched except when necessary to start and stop at Dover and Calais. The average current throughout was 27 amperes. The current at starting was 28 amperes, at which it remained constant right to Calais and half way back; but it was found to have dropped to 24 when Dover harbour was reached.
The object of this trip was, as we have said, to inspire confidence in the use of electro-motors, and to prove to a timid public that electricity possesses all the virtues requisite in boats designed for special purposes, such, for instance, as pleasure-boats and launches, where such qualities as silence, safety, a reasonable speed, ease of management, absence of smoke or steam, and large space are appreciated. We should like to say here that with a well-constructed electric motor there is less risk of breakdown than with a steam-engine, which has a large number of working parts against very few in the motor.
What somewhat surprises us is that Mr. Stephens and Mr. Reckenzaun put off from Dover with so small a number of passengers. The boat carried only ten persons, including the crew, whilst there was room for forty. The reason, we are told, why so few embarked was that those who came to see the boat were for the most part chary of trusting themselves on board for what they considered a venturesome trip. Amongst those who did demonstrate their faith in the little vessel were General Brine, R.E.; Mr. Perry F. Nursey, representing the Times, Mr. J. Godfrey, of the New York Herald; Mr. A. Reckenzaun, C.E.; and Mr. J. Stephens, of the firm of Stephens, Smith, & Co., marine engineers. Several gentlemen, including representatives of the scientific press, journeyed to Dover to see the start, and then crossed the Channel in the swift mail steamer Victoria, which left Dover later than the Volta, and reached Calais before the latter. This incident illustrates the want of confidence even amongst those who ought to know better; but we trust the result of the venture has removed any doubts which may have existed as to the Volta's capabilities. We shall everlastingly regret that the unaccountable vagaries of a telegram prevented our taking part in this historical trip, which, although, perhaps, not in itself of paramount importance, will yet be regarded as marking a distinct epoch in the industrial applications of electricity. We offer our congratulations to the organisers of the voyage, Messrs. Stephens and Smith, and Mr. Reckenzaun, upon the unqualified success which they achieved. - Electrical Review.
ELECTRIC LAUNCH "VOLTA."
To the Editor of The Marine Engineer.
Sir, - In your issue of October 1st there appears an article devoted to the late trial trip from Dover to Calais and back of the Volta, in which Mr. Skelton seems to be credited with the whole arrangements, and concluding with the remark, that "Mr. Skelton has for some years past repeatedly called the attention of the Admiralty authorities to the superiority of electric power over steam, for pinnaces and torpedo launches used in H. M. Service." Now, as the article in question is calculated to mislead your readers, I trust you will grant me space to lay before them in few words the true facts of the case.
The launch Volta was built by Mr. Skelton to the order of Messrs. Stephens, Smith & Co., the well-known engineers of Millwall, but had to undergo many material alterations before she became adapted for the service for which she was designed.
I do not for a moment wish to impugn the veracity of the last part of your article which I have quoted above, nor would I suggest for a moment that Mr. Skelton's name has been put forward for trade purposes, still, it is strange that Mr. Skelton should, as a matter of fact, have been so little heard of in connection with electric propulsion, and in the various records of the trial of electrically propelled boats, I fail to find his name mentioned; perhaps, however, Mr. Skelton "hides his light under a bushel."
If it is a fact that Mr. Skelton has "for some years past" urged upon the Admiralty the value of this mode of propulsion, is it not strange that there is no record of his system being tested?
The trial of the electric boat on the lake at the Paris Exhibition could not be considered a success, nor could the more recent trial trip of the Austral on the Thames, but this latter trial demonstrated to Messrs. Stephens, Smith & Co. the fact that the propulsion of vessels by electricity could be made a practical success, and hence the Volta and her trip across the Channel.
If therefore credit and honour is due to anyone in this matter, it is certainly due to the enterprising firm who, by generous expenditure of money, time, and patient study, have successfully demonstrated to the world at large the practicability of electricity as a motive power for launches, pinnaces, &c.
I am, Sir,
"PALMAN QUI MERUIT FERAT." October 28th, 1886.
Electricians who incline to betting have an opportunity to enjoy a little excitement by getting a few dollars on the race that is to come off this summer between the Reckenzaun electric launch " Volta" and the Elieson launch now building. Both will be driven by motors and accumulators, and the course will be across the English Channel from Dover to Calais and back. The loser is to pay out $250 in charities. Hereafter, we think, no yachting regatta ought to be considered complete without an electric launch contest. It will be remembered that the "Volta" has already made this trip with great success and eclat.
The Victoria is the name of a new electric launch which is to race the Volta across the Channel. She measures 90ft. by 11 1/2ft., and will be driven from accumulators charged by a dynamo carried on board. The new launch has the patent Elieson accumulators, made up of spirals of lead ribbon separated by asbestos. These plates can be "formed" and stored away for use when required in secondary batteries.
Electrical Launches. - Messrs. Immisch and Co. have for some months past been making a series of experiments in order to place before the public an electric launch, and have established a charging station on the Thames, having on board a very powerful engine and dynamo, by which the launches will be charged by coming alongside, and after which the boats will be enabled to run from between 10 to 15 hours consecutively, without noise or smoke, and the christening and trial trip of the first of these launches took place on Saturday week.
Electric Launches on the Thames. - We mentioned some time since that Messrs. Immisch and Co. proposed to establish a series of stations on the River Thames, by which current might be obtained for charging accumulators on electric launches. The first of these stations has now been completed on board a hulk which is at present moored in the river a little below Kew. On Saturday last Messrs. Immisch and Co. invited a party of friends to visit this station, and to make a trial trip in an electric launch, which has just been completed for service at this station. Previous to starting up the river the ceremony of christening the launch was performed by Mrs. Immisch, and the boat received the name of "Maiden." A landing was effected at Eel Pie Island, where the company were entertained at dinner, and in the evening the party returned to the charging station, after an extremely successful and a very pleasant trip. We shall shortly give further technical details of the arrangements adopted.
Electric Launches at Henley. - The Henley-on-Thames Royal Regatta of 1888 should be historically memorable for the first appearance on this occasion of the electric launch. On Monday Messrs. Immisch and Co's. floating charging station was towed up from Kew, accompanied by the electric launch "Maiden," and also the small electric skiff which is used as a tender for the station. From Chiswick to Teddington the towing was effected by the "Maiden" herself, which was able to make a good five miles an hour, even with this heavy load. At Henley the charging station is moored nearly opposite the stewards' barge, and after dark an effective display of arc and incandescent lighting is made. We shall have more to say about the "Maiden" in an early issue.
Electric Launches at Henley. - Says the Standard in its account of the Henley Regatta: "So many strange craft are, from time to time, seen at Henley, that it is difficult to imagine anything fresh; but in addition to canoes of every known type, to row boats of every size and build, there is this year a novelty in the shape of the electric launch of Messrs. Immisch & Co. At present the only specimen afloat at Henley is the Maiden, but another one, capable of carrying 80 persons, is in course of construction. How far the difficulties incidental to charging the accumuators just when wanted will be got over remains to be seen; but the convenience of a fast travelling boat with no smell of oil and no blacks from the funnel to soil the fairest of frocks is obvious."
ELECTRIC LAUNCHES ON THE THAMES
At Henley and Marlow, during the regatta week which ended on Saturday last, evidence was given that another step has been taken in the direction of making electric launches more numerous on the Thames. Although for some years back they have been seen occasionally it was not to be expected that they would come as anything more than the most limited use till charging stations were established at convenient points of the most frequented parts of the river. A spirited attempt is being made by Messrs. Immisch & Co. to remove this serious obstacle, and one of the most prominent objects on the banks of the river during the recent gala amongst the gaily decorated house-boats, was a comparatively sober looking craft bearing the inscription "Messrs. Immisch & Co.'s Electric Charging Station." Considerable interest was evinced in the plan of operations by a number of distinguished visitors, who were put in possession of all particulars in the most courteous manner by the owners and their officials on board. As a result we feel sure that next year, the jubilee year of the regatta, electric launches will have been built to the order of many of the wealthy and fashionable frequenters of the river. Already we believe the umps has made arrangements to be supplied with an electrically propelled launch to replace the steam-driven one he had in use this season.
It is the intention of Messrs. Immisch & Co. to fit three or four charging stations at which boats can be charged during the night. The station already completed has been especially designed to fulfil the varying requirements likely to be demanded of it. It is contained in a barge of light draught, some 70 feet long, and about 50 tons burthen. It comprises a 16 N.H.P. semi-fixed compound engine by Fowler, of Leeds; two Immisch shunt wound dynamos, so arranged by suitable resistances that any electromotive force between 50 volts and 160 volts, and an aggregate current of 180 amperes can be obtained. The current can be divided into distinct circuits by means of a large switchboard. Arrangements are also made so that the energy supplied to customers can be measured and charged at a fixed rate. The barge is also fitted with ample coal bunkers and cabin accommodation for the engineer in charge and the crew.
In the early part of this year the firm built the Maiden. She is a rakish looking launch, 30 feet long, 4 feet 10 inches beam, with a mean draught of 2 1/2 feet. She is fitted with an Immisch motor, giving 3 B.H.P at about 650 revolutions per minute. The propeller is coupled direct to the motor shaft, and the electrical energy is stored in 48 accumulators. The Maiden steers very easily, and makes capital headway against the swift tides obtaining on the Thames. She is a thoroughly serviceable boat, and said to be the fastest electric launch of her length.
The firm has also in its yard, Strand-on-the-Green, Kew, the Viscountess Bury. This is a very fine pleasure boat, designed for use above lock. She will accommodate about 70 people, and is built with reference to comfort rather than speed. There are to be twin propellers, with separate motors of 10 B.H.P. each at a speed of about 800 revolutions per minute. The accumulators are specially made, and will be divided into two batteries, so that the port and starboard motors can be worked independently of each other. This arrangement will assist the steering on the sharp bends of the river. It is expected that this boat will be shortly afloat. Messrs. Immisch have further in course of construction a small fleet of pleasure launches intended for sale or hire.
Messrs. Immisch and Co.'s Electric Launches. - We learn that Messrs. Tagg and Son, of the Island Works, East Molesey, have received orders to construct five electric launches, each 35ft. in length, for Messrs. Immisch and Co. Another launch, designed and built for the same firm by Mr. W. Sargeant, of Chiswick, has just been completed. The launch is 65 1/2ft. long, with 10ft. beam, and is designed to carry 80 passengers, with a mean draught of 22in., 12 1/2 tons displacement, at six miles an hour, as regulated by the Conservancy bye-law. The electrical machinery and storage being placed below the deck fore and aft leaves a clear run the whole length of the boat for passengers. In the middle is a handsomely fitted cabin with lavatories, dining table, &c. 200 E. P. S. accumulators are placed on board, and supply current for two motors of 7 1/2 horse-power each, driving twin three-bladed propellers by Thorncycroft and Co. The hull is constructed with primary view to comfort of passengers, and is of bright mahogany and teak throughout.
Electrical Pleasure Boats. - The first public pleasure boat to be driven electrically on the River Thames was launched on Monday. It is 65 1/2 feet long, 10 feet beam, and designed to carry 80 passengers, at six miles an hour, as regulated by the Conservancy bye-law. The electrical machinery and storage cells are placed below the deck fore and aft, leaving a clear run the whole length of the boat for passengers. In the middle is a handsomely-fitted cabin with lavatories, dining-table, &c. The electrical energy is stored in 200 E.P.S. accumulators, and is converted into motive power by two motors of 7 1/2 horse-power each, driving twin three-bladed propellers by Thornycroft and Co. The launch is owned by Messrs. M. Immisch and Co., by whom it was built, under the direction of Mr. Sargeant, whose letter, which appears in another part of these columns, will give some additional information on the subject.
The Electric Launch Controversy. - The following letter has just reached us, but too late to appear in our Correspondence Columns :- "A notice of the launch of the Viscountess Bury, built by me for Messrs. Immisch & Co., having appeared in the daily papers, I regret to find that an attempt is being made to filch from me the credit of the design, construction, &c, of that boat. I appeal to your well known reputation for seeing fair play to allow me to place the facts shortly before the electrical world. My profession, as is well known on the River Thames, is that of architect and designer of boats of all kinds. Messrs. Immisch and Co. were introduced to me by a mutual friend with the object of my designing electrical boats for that firm, among my other professional duties. The first work of consequence between us was the Maiden electrical launch. I not only designed her, but also superintended the construction of that boat. The floating charging station was the next work which I carried through for them, and for that from beginning to end, I arranging everything. Lastly, the Viscountess Bury was built at my suggestion, and everything from stem to tafrail was designed by me, including the electrical arrangements. I may add that full control was left in my hands, I paying my own cheques and money for most of the material and expenses, and Messrs. Immisch and Co. returning the amounts disbursed from time to time. - W. S. Sargeant."
The Electric Launch "Viscountess Bury."
The Viscountess Bury was launched from the builder's yard, Strand-on-the-Green, Chiswick, on Monday, October 8th. This is the largest electrical boat which has yet been seen on the Thames, or probably in the world, if we except that of Mr. Elieson. She is intended for public use, and will carry upwards of eighty passengers comfortably.
The Viscountess Bury has been specially designed and built for a private company by Mr. W. Sargeant, electrical launch architect and constructor, Chiswick, Middlesex. She is 65 1/2 feet long with 10 feet beam and has a mean draught of 22 inches with a displacement of 12 1/2 tons. The hull is constructed of three skins, the inner being diagonal, and outside planking of bright mahogany in narrow widths. The keel, which runs from stem to taffrail, is in one length of American rock elm. Deadwood aft has been in this instance entirely abandoned, the object being to assist the steering in narrow bends up the River Thames, and for giving a clear run, and to get greater efficiency from the twin three-bladed propellers, which are built up of steel to a 12 inch pitch and 2 feet 3 inches diameter, rotating outwards, and calculated to revolve at 600 revolutions per minute. These propellers are beautifully made and were provided by Messrs. Thornycroft and Co., the well-known torpedo boat builders of Chiswick.
Mr. Sargeant has designed a rudder on an entirely new principle with the object of clearing weeds, obviating stern post dead wood and gudgeons, with facilities for quick removal and easy steering. This rudder will be built up of thin steel, galvanised, and slung in a gun-metal trunk. The steering wheel is situated right forward on the deck, as shown in the illustration, so that the man operating has full view of all small craft which so numerously frequent the higher reaches of the Thames in summer. Adjoining the steering wheel will be an indicator communicating with the electrician in charge of the switches controlling the electrical power.
The electrical energy is stored in 200 Electrical Power Storage Company's accumulators of the "1888" type, each of which has a capacity of 145 ampere hours with a discharge of 1 to 50. The midship section of the vessel being perfectly flat, there will not be any lids to these boxes, so in the event of her taking the ground the acid will not slop over. These storage cells are arranged, one hundred on each side of the vessel, under the seats. The space occupied by them is lined with lead, small drains leading into receivers in case of accident, thus securing perfect dryness for the boxes. The cells are computed to hold electrical energy sufficient with one charge to propel the vessel for 10 hours at a speed of six miles per hour, as regulated by the Thames Conservancy bye-laws. There are two 7-inch "Immisch" motors, which convert the electrical energy into power. These are calculated to develop 7 1/2 break H.P. at 1,000 revolutions per minute. They are placed under the floor aft, each working direct on to one of the twin propeller shafts. The thrust is taken from a ball-bearing thrust block, which reduces the friction greatly. The switches are fixed, port and starboard, and are two to each motor, one for half and full speed, the other for going ahead or astern. They are worked by the electrician in answer to bell signals from the man at the wheel. Each propeller can thus be worked independently of its twin companion, and so greatly assist the steering in sharp bends of the river.
In place of the objectionable whistle of the steamers a large and melodious ship's bell is placed on the cabin top and may be sounded electrically by the man steering, the current coming direct from the accumulators. This bell will sound for warning boats and signalling lock-keepers.
All lights for port, starboard, masthead and cabin lavatories, &c, will be incandescent electric lamps supplied by the accumulators.
Ammeters, voltmeters and suitable resistances are all under the immediate sight or control of the electrician. All the machinery being placed below the floor, leaves a clear space from stem to stern for passengers.
From the illustration it will be seen that the cabin is furnished with a ventilating lantern, and is placed amidships with lavatories, &c. The upholstering is of crimson embossed velvet, the panelling is of moulded teak, bright varnished throughout, the ceiling being moulded and picked out in gold and white. In the centre is the dining table, and seats run all round the cabin, which is 10 feet long with folding flaps on each side.
The windows are of engraved plate glass, and those of the ventilators amber in colour. The fore and aft parts of the vessel are of bright teak and upholstered with portable seats, so that the accumulators may be easily examined in case of necessity, or at the time of charging.
The carving on the bow boards and figure head, which represents the Viscountess Bury, was done in an artistic manner by Mr. David Gibb, of Limehouse.
Mr. Sargeant designed another electrical launch, the Maiden, which during the past summer was a familiar object of interest on the Thames, especially during the Henley Regatta. The Maiden is 30 1/2 feet long, with 4 feet 10 inches beam. She was constructed chiefly for experimental purposes, and upon her trials data of great interest have been obtained. On one occasion, with a single charge, the Maiden was propelled 56 miles down stream at about 10 miles per hour.
This boat was built by Maynards, of Chiswick, under the superintendence of the designer. The propeller is double bladed, 2 feet diameter, by Thornycroft & Co.
The motor is a 6-inch "Immisch" machine, driving the propeller at 550 revolutions per minute, from 48 accumulators.
For the convenience of charging these vessels, Mr. Sargeant designed a floating station. In outside appearance it is much like a large "house-boat" of the Thames. It consists of a large river barge, 70 feet long by 14 feet beam. On the floor, upon a suitable foundation, is placed a semi-portable steam engine of 25 H.P. nominally, with counter shafting. This drives dynamos, which through insulated copper leads, supply the current to the accumulators in the launches. There are also on board an instrument room, office, engineer's room, stores and sleeping accommodation aft. This station, which has already been mentioned in the REVIEW, was a conspicuous object at the last Henley and Maidenhead regattas, when among its other duties it lit up the course in the evenings with an arc lamp, incandescent lamps being used on the station for lighting the various rooms.
Electric propulsion for river launches is likely to become an established fact on the Thames, and Mr. Sargeant has other boats in course of design and construction.
Mr. Magnus Volk. - We are pleased to hear that the Sultan of Turkey has decorated Mr. Magnus Volk. This well-known electrician has recently joined Messrs. Immisch as manager of their launch department. He is now at Constantinople with the electric dog cart recently supplied to the order of His Majesty the Sultan. The dog cart seems to give great satisfaction.
THE ELECTRIC LAUNCH VISCOUNTESS BURY.
The Viscountess Bury was launched from the builder's yard, Strand-on-the-Green, Chiswick, October 8. This is the largest electrical boat which has yet been seen on the Thames, or probably in the world, if we except that of Mr. Elieson. She is intended for public use, and will carry upward of eighty passengers comfortably.
The Viscountess Bury has been specially designed and built for a private company by Mr. W. Sargeant, electrical launch architect and constructor, Chiswick, Middlesex. She is 65 1/2 feet long, with 10 feet beam, and has a mean draught of 22 inches with a displacement of 12 1/2 tons. The hull is constructed of three skins, the inner being diagonal, and outside planking of bright mahogany in narrow widths. The keel, which runs from stem to taffrail, is in one length, of American rock elm. Deadwood aft has been in this instance entirely abandoned, the object being to assist the steering in narrow bends up the River Thames, and for giving a clear run, and to get greater efficiency from the twin three-bladed propellers, which are built up of steel to a 12 inch pitch and 2 feet 3 inches diameter, rotating outward, and calculated to revolve at 600 revolutions per minute. These propellers are beautifully made, and were provided by Messrs. Thornycroft & Co., the well known torpedo boat builders of Chiswick.
Mr. Sargeant has designed a rudder on an entirely new principle, with the object of clearing weeds, obviating stern-post deadwood and gudgeons, with facilities for quick removal and easy steering. This rudder will be built up of thin steel, galvanized, and slung in a gun metal trunk. The steering wheel is situated right forward on the deck, as shown in the illustration, so that the man operating has full view of all small craft, which so numerously frequent the higher reaches of the Thames in summer. Adjoining the steering wheel will be an indicator communicating with the electrician in charge of the switches controlling the electrical power.
The electrical energy is stored in 200 Electrical Power Storage Company's accumulators of the "1888" type, each of which has a capacity of 145 ampere hours with a discharge of 1 to 50. The midship section of the vessel being perfectly flat, there will not be any lids to these boxes, so in the event of her taking the ground the acid will not slop over. These storage cells are arranged, one hundred on each side of the vessel, under the seats. The space occupied by them is lined with lead, small drains leading into receivers in case of accident, thus securing perfect dryness for the boxes. The cells are computed to hold electrical energy sufficient with one charge to propel the vessel for ten hours at a speed of six miles per hour, as regulated by the Thames Conservancy by-laws. There are two 7 inch "Immisch" motors, which convert the electrical energy into power. These are calculated to develop 7 1/2 brake h. p. at 1,000 revolutions per minute. They are placed under the floor aft, each working direct on to one of the twin propeller shafts. The thrust is taken from a ball-bearing thrust block, which reduces the friction greatly. The switches are fixed, port and starboard, and are two to each motor, one for half and full speed, the other for going ahead or astern. They are worked by the electrician in answer to bell signals from the man at the wheel. Each propeller can thus be worked independently of its twin companion, and so greatly assist the steering in sharp bends of the river.
In place of the objectionable whistle of the steamers a large and melodious ship's bell is placed on the cabin top, and may be sounded electrically by the man steering, the current coming direct from the accumulators. This bell will sound for warning boats and signaling lock keepers.
All lights for port, starboard, masthead, and cabin lavatories, etc., will be incandescent electric lamps, supplied by the accumulators.
Ammeters, voltmeters, and suitable resistances are all under the immediate sight or control of the electrician. All the machinery being placed below the floor, leaves a clear space from stem to stern for passengers.
From the illustration it will be seen that the cabin is furnished with a ventilating lantern, and is placed amidships, with lavatories, etc. The upholstering is of crimson embossed velvet, the paneling is of moulded teak, bright varnished throughout, the ceiling being moulded and picked out in gold and white. In the center is the dining table, and seats run all round the cabin, which is 10 feet long, with folding flaps on each side.
The windows are of engraved plate glass, and those of the ventilators amber in color. The fore and aft parts of the vessel are of bright teak, and upholstered with portable seats, so that the accumulators may be easily examined in case of necessity, or at the time of charging.
The carving on the bow boards and figure head, which represents the Viscountess Bury, was done in an artistic manner by Mr. David Gibb, of Limehouse.
Mr. Sargeant designed another electrical launch, the Maiden, which during the past summer was a familiar object of interest on the Thames, especially during the Henley regatta. The Maiden is 30 1/2 feet long, with 4 feet 10 inches beam. She was constructed chiefly for experimental purposes, and upon her trials data of great interest have been obtained. On one occasion, with a single charge, the Maiden was propelled 56 miles down stream at about 10 miles per hour.
This boat was built by Maynards, of Chiswick, under the superintendence of the designer. The propeller is double bladed, 2 feet diameter, by Thornycroft & Co.
The motor is a 6 inch "Immisch " machine, driving the propeller at 550 revolutions per minute, from 48 accumulators. - Electrical Review.
The "Viscountess Bury." - A large party assembled on Thursday afternoon, last week, on board the new electric launch, Viscountess Bury, at Piatt's Eyott, Hampton, to accompany her on her trial trip. The naming ceremony was performed by Mrs. Immisch. The trip was a complete success. Among the visitors were Viscount Bury, Lord Wantage, and Colonel Gouraud.
VISCOUNTESS BURY was named after the wife of Viscount Bury, Chairman of the Westminster Electric Traction Co. In 1988 Moritz Immisch and Viscount Bury formed a syndicate to develop and build electic trams, trains and boats.
The VISCOUNTESS BURY was specially desinged and built for a private company by Mr W Sargeant, an electrical launch architect and constructor, from Chiswick, Middlesex. She was listed on the Board of Trade Register as an electric boat until 1909. She was then converted to a petrol engine. She was acquired by H C Banham in 1910 and taken from the Thames to Kings Lynn, a journey not without hazard. Used as a tripping boat on the Fens, she was put into service out of Ely on a 36 Mile stretch of the Great Ouse and River Cam by Dan Weller of Ely during to 1980's.
In 1889, VISCOUNTESS BURY went under some modifications to include the lengthening of the saloon and accommodation materially enlarged and improved to carry 60 or 70 passengers. She was in regular use on the Upper Thames during the subsequent decade. On an August Sunday in 1891, several memebers of the Hygienic Congress took a trip upriver from Maidenhead. Between 1889 and 1894, she was on charter to the Prince of Wales, who later became King Edward VII. In July 1897, Col. Boxall hired her for a party to watch the Bourne End Regatta.
In 2005, she was scrapped and the Lines are held at Lowestoft College.
Users browsing this forum: No registered users and 3 guests