Anyone fancy converting a VFR to electric? :)

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Lope
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Anyone fancy converting a VFR to electric? :)

Post by Lope » Sat Aug 29, 2009 3:39 pm

http://www.youtube.com/watch?v=Rzi4tL3QMWk" onclick="window.open(this.href);return false;

Pretty cool, I've seen people pack more batteries and more powerful motors (or multiple motors) than that.

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superlite
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Re: Anyone fancy converting a VFR to electric? :)

Post by superlite » Mon Aug 31, 2009 7:22 am

I love the idea of grabbing a hacker, ditching the engine and sticking a motor and baterries in!

The only downside is the lack of a gearbox. I reckon you could engineer a two speed centrifugal 'gearbox' off the motor somehow though (like an RC car).

The chain and brakes would sound noisy as hell though!
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rich1988
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Re: Anyone fancy converting a VFR to electric? :)

Post by rich1988 » Mon Aug 31, 2009 8:01 pm

make it simple and dont bother with a gearbox!, an electric motor has 100% torque from the second you put voltage on it so you can just have one very long gear, 15000rpm but change the sprockets around and youll still have a pretty quick bike allbeit with a top speed of around 80

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Re: Anyone fancy converting a VFR to electric? :)

Post by Freekazoid » Mon Aug 31, 2009 8:31 pm

there is a guy in america that put a relay in his car that swaps the battery wiring from parallel to series or otherway round. this acts like a gear change for the motor. so htat could be an option. i think his car did the 1/4 mile in under 10 sec & this was probably about 5 yrs ago.

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Re: Anyone fancy converting a VFR to electric? :)

Post by Lope » Tue Sep 01, 2009 2:13 pm

some EV conversions keep the original gearbox minus the clutch (you just unload the throttle when u change gears)
but I think most EV conversions just use 1 long gear.

i haven't actually looked at any power/torque vs RPM curves for electric motors, but they are pretty steady I believe. (as said above)

Nice links
http://www.evconvert.com/article/your-f ... ectric-car" onclick="window.open(this.href);return false;
http://www.examiner.com/x-6173-Ford-Exa ... ts-per-day" onclick="window.open(this.href);return false;

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