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June 11th, 2010 01:46 AM #1
WIRED MAGAZINE DIY Electric Car Project
Part 1
http://www.wired.com/autopia/2009/10/ev-conversion/
Part 2
http://www.wired.com/autopia/2009/11...on-bug-bought/
Part 3
http://www.wired.com/autopia/2009/11/diy-ev/
Part 4
http://www.wired.com/autopia/2009/12...gets_batteries
EV-Beetle Blog:
http://www.evbeetle.com/Last edited by ghosthunter; June 11th, 2010 at 01:56 AM.
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June 11th, 2010 12:24 PM #3
Hmmmmm......
Is this regarding our conversation a few weeks ago...
I think I can get the shell, maybe the motor, and perhaps the batteries... but the build isn't up to the part that I can't figure out yet... the controller.
Do I go all golf cart and run sans charge-controller, or do I still need it?
Ang pagbalik ng comeback...
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June 11th, 2010 12:39 PM #4
(left to right) pot-box is like throttle, motor controller gives the right current to the motor based on throttle input, and the contactor is just a big relay (power switch to the high voltage circuit)
the small relay gives power to a special terminal on the controller that turns it on
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June 11th, 2010 12:44 PM #5
Well, partly... but I didn't go out of my way to find an ev-beetle conversion just to prove my point that an old beetle would be a good start for an EV project. I just stumbled on it while I was checking on another topic of interest.
I think I can get the shell, maybe the motor, and perhaps the batteries... but the build isn't up to the part that I can't figure out yet... the controller.
Do I go all golf cart and run sans charge-controller, or do I still need it?
So yes, you'll need a motor-controller to moderate the amount of power from the battery to the motor to have some sort of speed control over it.
As for recharging, its mentioned that a proper battery charger will give the battery pack longer life since it won't experience over-charging.
BTW, golf cart motors are too weak. You'll want something stronger.Last edited by ghosthunter; June 11th, 2010 at 12:47 PM.
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June 11th, 2010 03:30 PM #6
And I'll definitely want a better charging strategy than golf-cart style "open-everything-up-and-plug-in"... or I'll be suffering the same issues as the electric bus operators at SM MOA suffered before they converted to gas.
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Hmmm... controller packages from the US cost quite a bit... but just maybe I can get it cheaper if I have someone hand-carry the stuff down here...
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Tsikot Member
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- Mar 2011
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March 11th, 2011 09:03 AM #7
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March 11th, 2011 11:44 AM #10Hi, I am also interested in doing EV conversions and I agree the prices are too expensive. If we do it as a group then we can lower the cost through bulk purchase and economies of scale. I am thinking of starting an EV club.
electric car advocates put your money where your advocacy is -- MONEY DOWN
buy electric motors and batteries to build your EVs
anybody?
come on open your wallets... don't be shy
Somewhat expected from a rushed car from a first time carmaker
Xiaomi E-Car