Old 04-05-10, 06:24 PM
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Sorry to bump this older thread, but I just found it and it's too cool. I love cordless drills and I love electric bikes and cars.

Looking at the Milwaukee V28 cordless drill you get 600 in-lbs of torque (50 ft-lbs) and 600 RPMs (on the low speed setting). So according to the calculations above that should be enough. The V28 system is the best I've found for price/power/weight.

The price is $365 at Amazon, but you get two batteries. I'm not sure how that would compare to the bike conversion kits around, probably about even I would guess.

But if you could find a V28 with a broken clutch, chuck, trigger or whatever, then you may have something more economical.
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