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I have been told by individuals that a gasoline powered engine, lets say a 100hp MAX engine, only %15 of that 100hp power actually goes to the wheels and moves the wheels. Is this correct? If that is correct, you are actually driving a 15hp vehicle instead of the 100hp at the crankshaft. That...

I hear that many electric cars have one gear. That's easy to understand. But I read about some EV's that can have custom gears installed to have achieve increased speeds. But at the same time, I hear that having any sort of transmission used with an electric motor isnt nessesary. Maybe I'm just...

My brothers buddy has this broken down AVT that he has sitting in his shed. He doesn't want it anymore and was just going to get rid of it. I told him I was interested in it for the tires and other parts. Guess how much he's gonna sell it to me for......Fifty Bucks! Today, my brother and I took...

I was wondering, is there some website where I can learn how motor controllers work? I mean how are they able to channel so much current to the motor without burning up? Also, when a controller needs a seperate 12v supply, can I use a much smaller 12volt battery like something you would get at...

Just wondering why I see that most karts, both electric and gasoline powered, have such small diameter tires. Is it to keep the speed down? Is it to reduce build cost? Easier on the motor? Or simply tradition. Thanx-

I would like to make a street legal electric go kart with these parts: Four 12volt 100AH GEL Deep-Cycle batteries - http://www.nationalsolarsupply.com/index.asp?PageAction=VIEWPROD&ProdID=178 1 E-Tek Motor - http://www.electricmotorsport.com/store/ems_ev_parts_motors_etek-r.php 1 CVT...