Search found 53 matches

by Generator
Mar 14 2014 11:04pm
Forum: General Discussion
Topic: Graphene
Replies: 126
Views: 20541

Re: Graphene

liveforphysics wrote:You can buy some types of it for <$150/kg. Experiment yourself and figure it out. :-)
You mean I can buy Graphene Wires in the market? Link?
by Generator
Mar 14 2014 9:32pm
Forum: Motor Technology
Topic: LaunchPoint Coreless Axial Flux Motor
Replies: 26
Views: 10798

Re: LaunchPoint Coreless Axial Flux Motor

Why these are not yet available commercially as Turnigy Rotomax 100cc / 150cc motors? Looks like these have advantage over them and can be used in RC planes as replacement for other motors.
by Generator
Mar 14 2014 9:28pm
Forum: General Discussion
Topic: Graphene
Replies: 126
Views: 20541

Graphene

I was wondering if anyone know whether any one is using Graphene to create electricity. They say we can generate electricity out of Graphene sheet / paint when exposed to any form of light / sunlight. Any one know the quantity of it, is it viable or still in research mode? Also are there any compone...
by Generator
Mar 13 2014 10:04am
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

Mr. G, you are a genius - a salad spinner as a generator!!! Now: you won't get 750 watts out of it. You might not get 100 watts out of it. But I certainly encourage you to finish winding your coils and see what is possible! Why? because if you prepare your parts correctly, you could take those part...
by Generator
Mar 09 2014 9:47pm
Forum: Electric Aircraft
Topic: carbon fibre build
Replies: 8
Views: 4854

Re: carbon fibre build

Whatever, are you still looking to build this? There is one more prize to be won. Instead of just participating in the rally, you can think of doing something more. If you need any kind of assistance, I would be more than happy to. Let me know.
by Generator
Mar 09 2014 4:30pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

Mr Generator - Wow...you've got a machine BUILT ALREADY? That's fast, and impressive. And I'm also impressed at how serious you are about building one. Can you post a pic? Here are few pics of my Genny. The gap in between Coil and Magnet is more than 0.8 inch but still I can get more than 12V out o...
by Generator
Mar 08 2014 10:23pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

Mr Generator - Wow...you've got a machine BUILT ALREADY? That's fast, and impressive. And I'm also impressed at how serious you are about building one. Can you post a pic? The picture posted by Major belongs to someone else. Mine is very simple one. I'll post few pictures tomorrow as I've to take n...
by Generator
Mar 08 2014 12:42pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

I must say, excellent construction. I'm impressed. I wonder what was the output of that generator. Could not find the figures. I guess a little different arrangement of coils [without gap in consecutive coils] would have given them more output, may be 30-40 % more for same set up. Mine is also simil...
by Generator
Mar 07 2014 11:58pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

jkbrigman wrote: I'm sorry, I don't know: what is the generator "o/p"?
Sorry I should have used Generator Output terminals. I tried to use 7 watt and 13 watt bulbs as load for generator. None of them lit.
by Generator
Mar 07 2014 11:12pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

Thank you JKB. I believe the theory in Two Dans Book may be based on Iron core generators as I haven't read that book yet, I'll go through it anyway. For fun I tried to lit 13 watt and 7 watt bulbs separately, using the generator o/p. None of them lit up, not even little. Also I couldn't see any cur...
by Generator
Mar 07 2014 8:28pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

One of my intention is to generate maximum Wattage from this generator by using muscle power, both by hands and legs together for short duration. May be for couple of minutes. It is said that human can o/p 2000 Watts at max, so I want to check how much I can generate and for how long.
by Generator
Mar 07 2014 2:47pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

While perhaps some wait breathly for the "BIG REVEAL", I'm kinda hoping the device will suck energy from air (wind) and optionally (for extra bonus point), from "hydro" (aka water). Sadly, I kinda doubt there are any geothermal sources ready at hand. As I already mentioned, this...
by Generator
Mar 07 2014 2:35pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

A machine that can maintain 30 volts across .05 ohm will push 600 amps through that microscopic resistance. Maintaining 6 volts across .05 ohm will give you your 120A into the .05 ohms. That's about 720 watts. If you built a 1000 watt machine, that would give you plenty of room to handle inefficien...
by Generator
Mar 07 2014 1:48pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

All- my apologies for not being active in last few weeks. I was caught in some high priority work. Anyways, As of now, the mechanical power to generator is muscle power. I have gears, which can rotate the rotor for 1600-2000 rpm. I initially had only one coil, but now I have 3 coils in total, all ha...
by Generator
Feb 23 2014 6:28pm
Forum: Motor Technology
Topic: Motor wattage calculation.
Replies: 12
Views: 1189

Re: Motor wattage calculation.

Miles wrote:So long as you realise that no energy is contributed by the magnets....... :)
I'm sorry, I didn't get it miles, can you explain in detail? :oops:

You see my knowledge is still in mW and your's in GW :roll:
by Generator
Feb 23 2014 3:09pm
Forum: Motor Technology
Topic: Motor wattage calculation.
Replies: 12
Views: 1189

Re: Motor wattage calculation.

Just curious, let's assume this motor uses Magnets, which are X mm thick and gives equivalent of 150cc o/p. If we use 2 times X mm thick magnets , won't it improve the output considerably for same input? May be we can get 200CC or 250CC or 300CC output?
by Generator
Feb 20 2014 11:15pm
Forum: Motor Technology
Topic: LaunchPoint Coreless Axial Flux Motor
Replies: 26
Views: 10798

Halback Array Motor

FYI :

http://www.launchpnt.com/portfolio/tran ... ric-motor/

It has Specs as well as presentation included.

Anyone tried to build this kind?
by Generator
Feb 20 2014 5:55pm
Forum: Motor Technology
Topic: Motor wattage calculation.
Replies: 12
Views: 1189

Re: Motor wattage calculation.

Miles wrote:Only for Wye termination, amber. Most "RC" motors are Delta terminated...
Hi Miles I remember you had designed one motor. How was the output of that one? Which software you used to design it?
by Generator
Feb 19 2014 7:58pm
Forum: Motor Technology
Topic: Motor wattage calculation.
Replies: 12
Views: 1189

Re: Motor wattage calculation.

Brushed? Brushless? Number of phases? draw). Here is the link of internal pics of the motor: it only says internal resistance 0.011Ohm. http://endless-sphere.com/forums/viewtopic.php?f=28&t=46813&p=690596&hilit=Turnigy+rotomax+150cc#p690596 I still don't understand how it works :roll:
by Generator
Feb 19 2014 1:06am
Forum: Motor Technology
Topic: Motor wattage calculation.
Replies: 12
Views: 1189

Re: Motor wattage calculation.

Thank you John, Can't we use I square R formula here? I'm interested in watt calculation based on current only.
by Generator
Feb 19 2014 12:32am
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

Thank you for the links, I guess they will keep me busy for few more days.

I started another thread here : http://endless-sphere.com/forums/viewto ... 66#p857018 to understand/learn that motor.
by Generator
Feb 19 2014 12:18am
Forum: Motor Technology
Topic: Motor wattage calculation.
Replies: 12
Views: 1189

Motor wattage calculation.

I'm curious to know that how does this motor draws 9800w out of the battery pack? I'm not able to calculate that figure from given data. Can anybody enlighten me? Battery: 14 Cell / 51.8V RPM: 150kv Max current: 190A Watts: 9800w No load current: 51.8V/5.2A Internal resistance: 0.011 ohm Winding: 8T...
by Generator
Feb 18 2014 11:25pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

I know but the load I have are 2 Motors and their internal resistances are 0.01 Ohm and 0.04 Ohm, which I cannot change or control.
I couldn't find a nice tutorial or book online, which can explain how to design a better Generator, if we know what output we want.
by Generator
Feb 18 2014 6:16pm
Forum: Alternative Energy
Topic: Generator construction
Replies: 40
Views: 6139

Re: Generator construction

Great. The load is 3600 Watt. I think I might have missed something in your explanation. 90 coils, how did you reach to that number? For now I can fit in 64 coils in present setup, but I can always increase number of magnets and fit more coils. I'm not worried about the construction possibility and ...
by Generator
Feb 18 2014 5:59pm
Forum: Alternative Energy
Topic: Calculation of Lorentz Force in Generator.
Replies: 0
Views: 725

Calculation of Lorentz Force in Generator.

Greetings All - Per F=BIL I can calculate quantity of Force on coil (or magnet), when I draw certain amount of current from the generator. So I need your inputs in calculating the Force and then weight equivalent of it. Let's say I have Single coil generator [wire length = 92 meter, 300 turns on 3x1...