Search found 75 matches

by classicalgas
Sep 29 2019 9:58pm
Forum: E-Bike Technical
Topic: hacking speed limiter on August Tuesday e-bike?
Replies: 2
Views: 171

Re: hacking speed limiter on August Tuesday e-bike?

36v.

I hadn't thought of that possibility, but it *feels* like the assistance cuts out at about that road speed, independent of what gear I'm in (cadence) It sort of "hunts"...assist kicks in and out as speed drifts up or down around 23-25 mph.
by classicalgas
Sep 19 2019 11:42pm
Forum: E-Bike Technical
Topic: hacking speed limiter on August Tuesday e-bike?
Replies: 2
Views: 171

hacking speed limiter on August Tuesday e-bike?

I recently picked up an August Tuesday cruiser e-bike (lightly used, at 1/4 retail ) Solid, simple, heavy, with a basic cadence PAS that cuts out the assistance at about 23mph. The bike has a Bafang 350 w rear hub motor, simple mini combination control pad and charge meter, no visible controller, an...
by classicalgas
Jun 08 2019 12:45pm
Forum: E-Bike General Discussion
Topic: Frame Hole Drilling...
Replies: 36
Views: 1609

Re: Frame Hole Drilling...

"The side covers are attached with rinkydink little screws that have no structural role to play. So structurally, that box is two parallel plates of aluminum. Not what I'd pick to keep the front and rear halves of my bike working as a unit." Those are, at minimum, 5mm screws. Even cheesy Chinese no ...
by classicalgas
Jun 08 2019 12:11pm
Forum: E-Bike General Discussion
Topic: Giant cruiser budget build
Replies: 94
Views: 8341

Re: Giant cruiser budget build

" I'm not sure if chrome is quite right yet." I'm a decorative metal fabricator, so I've seen and used range of metal finishes, and I'm not a fan of chrome myself. Some options that occur to me... 1) nickel plating...is softer than crhome, so takes a patina (or can be patinated) to soften the gloss....
by classicalgas
May 26 2019 3:49pm
Forum: E-Bike General Discussion
Topic: Giant cruiser budget build
Replies: 94
Views: 8341

Re: Giant cruiser budget build

I like it, generally. For a retro headlight, check the thrift stores for a retro goose-neck desk lamp..they often have a hooded bullet head, with vents, that will hold the guts of a rechargeable LED spotlight. I've often wondered if a front hub motor, with appropriate vents and torque arms, could ev...
by classicalgas
May 26 2019 3:07pm
Forum: E-Bike General Discussion
Topic: Frame Hole Drilling...
Replies: 36
Views: 1609

Re: Frame Hole Drilling...

The above is actually a pretty good chainstay to BB connection...lots of weld area, plenty of torsional stiffness in th e box for a bike that's never going to see a fit rider torque on the pedals. With bolted on side plates, as shown,it's a far better joint, strength wise, than the typical high end ...
by classicalgas
May 25 2019 2:29pm
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"Im struggling to remember a hybrid with a lithium pack that was available in 1994 ? Please identify these 25yr old lithium cells ." oooh, I made a mistake...first gen Prius hybrids used NiMH cells, in 1997...so 23 years old, and a much more picky battery chemistry, with proven shorter lifetimes (go...
by classicalgas
May 25 2019 12:18am
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

"You could have a 1500 watt limit for both and make life a lot easier and simpler for heavy riders, cargo bikes, etc. with little or no impact on safety."...there most definitely would be an impact on safety, the motor and battery allowing 1500w output would be something on the order of six times he...
by classicalgas
Apr 21 2019 12:32pm
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"The fact is that so much more co2 emissions are created making a Tesla battery-pack that it's around equivalent of 10 years worth of regular combustion vehicle driving." This is typical anti electric disinformation. It treats battery production as if it were the same as oil refining, ignoring the f...
by classicalgas
Apr 21 2019 12:16pm
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

"Not really !...whilst they may have only one “gear”....the ratio between motor rpm and wheel rpm changes dramatically during a run.....thanks to a sacrificial clutch system. Just a different form of variable transmission." That's evading the question. Just because that strategy "works" (some single...
by classicalgas
Apr 13 2019 10:57am
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

"Are we talking physics or law?" Both. Good law ( fair, realistic, defensible) is reality based. Double your vehicle speed( to 40 mph) and your kinetic energy (impact damage) is four times what it was at 20 mph "bike" speeds. That means four times the danger to pedestrians, four times the braking po...
by classicalgas
Apr 10 2019 9:07pm
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

"5kw geared to 40mph would be about right since I rarely run above 35mph anyways." That's a motor vehicle by any reasonable definition, not an ebike. Once you hit moped power, you'd better plan on meeting motor vehicle licensing, lighting and brake standards. If not today, soon. Gasbikes stayed unde...
by classicalgas
Apr 09 2019 11:04pm
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

And these guys, who's business is converting ICE vehicles to electric?

https://quantumworks.com/multi-speed-ge ... plication/
by classicalgas
Apr 09 2019 10:20pm
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

"Anyone who doesn't understand how motors work could easily be confused into thinking it's a good idea, but it doesn't make it a good idea."

So all the companies making and selling mid drives (kits and complete bikes) are "confused" ?
by classicalgas
Apr 07 2019 12:01pm
Forum: E-Vehicles General Discussion
Topic: ICE vs Electric Motor Transmissions
Replies: 81
Views: 5228

Re: ICE vs Electric Motor Transmissions

Simply adding power to avoid a multi speed trany isn't a real life option for production ebikes...legal power limits, battery amps/cost, etc.

Evidently ebike manufacturers see a use for gearboxes, I've seen hub drives with two speed tranys, and a rear hub gearmotor with a three speed IGH built in.
by classicalgas
Mar 23 2019 10:41am
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"So nothing's really green. Does that mean it doesn't matter which source we choose?" Are you missing the point on purpose? Nuclear energy isn't "green" simply by not releasing co2 during power production, it's a polluting as oil or coal, in that all release long term toxins into the environment, bo...
by classicalgas
Mar 23 2019 10:28am
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"The Chernobyl exclusion zone is the healthiest ecosystem in the Ukraine. Several species we thought were extinct now live there in large numbers. People live there; others take tours through it. From that perspective, the Chernobyl accident is the best thing to happen to that area ecologically sinc...
by classicalgas
Mar 23 2019 9:51am
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"Talking about Hydroelectricity should be considered an IQ failure test on this thread and be banned complete with their IP-firewalled from the ES forums server for wasting folks time." So should calling nuclear power "green". Once again, low co2 emissions (co2 is released when making nuclear fuel a...
by classicalgas
Mar 11 2019 10:14pm
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"of one of the biggest active volcanoes on the planet which has 1000 times the destructive potential ?" Define that. Is that like equating rare earth wastes to nuclear fuel rods as "dangerous", like someone did in this thread? Even if one of Hawwii's volcanoes blew as fully as St Helens did, you'd h...
by classicalgas
Mar 10 2019 2:36pm
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

Fukoshima kinda made nuclear unattractive to anyplace with a big tourist industry...like Hawaii. It doesn't take too many people picking another tropical vacation destination (where there aren't nuclear plants within hundred miles) to hurt your tourism bottom line.
by classicalgas
Mar 04 2019 9:43pm
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 5336
Views: 223889

Re: Wind and Solar vs Coal, Gasoline, Nuclear

"Nuclear based France is literally the only green low CO2 emitting country in the world right now." Bullshit. Iceland, and a half dozen other countries produce more of their power "green" than France (ignoring the fact that nuclear isn't green by any sane definition) https://makewealthhistory.org/20...
by classicalgas
Mar 03 2019 9:24pm
Forum: Battery Technology
Topic: WalMart EverStart Battery Test
Replies: 24
Views: 3283

Re: WalMart EverStart Battery Test

Good stuff, thanks. Evidently my search used the wrong terms.

I don't understand why the massive volume production of boosters and tool packs doesn't result in better tech for the money than home built packs, at least for legal level wattage.
by classicalgas
Mar 03 2019 7:39pm
Forum: Battery Technology
Topic: WalMart EverStart Battery Test
Replies: 24
Views: 3283

jumper box/boost box used as is as pack module?

Can't seem to find any previous mention, anyone tried this?

These are lithium packs with built in bms,10-18 (claimed) Ah at 12-15 v, typically 10a sustained output, much higher peak,rugged enclosures, and cheap. Some extras (lights, device charging ports, charge state readouts...)
by classicalgas
Mar 03 2019 4:36pm
Forum: E-Vehicles General Discussion
Topic: The tipping point is just a few years out
Replies: 81
Views: 5098

Re: The tipping point is just a few years out

"See, you're back to designing people's lives around personal cars, rather than the other way around. Already, folks in real cities are choosing off-hours commutes to avoid being stuck in traffic for with self-defeating shnooks and their self-imposed problems. " That's making the assumption that cit...
by classicalgas
Feb 13 2019 7:52pm
Forum: E-Bike General Discussion
Topic: Catrike with Grin All Axle front hub motors
Replies: 30
Views: 4117

Re: Catrike with Grin All Axle front hub motors

"Commercial tadpole trike needs more weight to the rear, it"s too front heavy without any motor. I think they are something like 70/30 from the box. Rear wheel needs all grip it can get, that increases safety. My DIY velo is 35/65." Grip isn't the limiting factor, tipping (up on two wheels) is. It's...