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Old 04-26-2009, 04:17 PM   #18 (permalink)
Electric Frenzy
EcoModding Apprentice
 
Join Date: Mar 2009
Location: Birmingham, AL
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Quote:
Originally Posted by dcb View Post
Pick a motor and a battery pack and a controller and do the math, and play with the gearing, rinse and repeat till you find a combination that can deliver what you want, then see if it is in your budget. It is a lot of number crunching. Less talky, more mathy
The math is what I don't know right now. I don't have the gear ratios for the bike transmission but I do know that the rear sprocket is something I could easily buy aftermarket to adjust a small amount. I'll call a bike dealer and see if I can get some more concrete info on the gearing.
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