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Well actually its not backwards. its a VFD. Voltage frequency drive. I kept duty to 50%, and adjusted the frequency, and I was able to go from a super slow speed (slower than 1 revolution in 10 mins (gear motor)) or the full 36V at maybe 200rpm. Vent systems also use VFD's, as at our school...

I asked my teacher, and searched. theres NO scrap yards at ALL in michigan. ALL electronics / motors / transformers get recycled. we do not have scrap yards at all, only for car bodys. Anyways, I'm getting on from the shop. Any specifics i should be looking at in terms of...

I never made a kart. And dont know what motor ill go for. But i seen videos of people using a simple forklift motor and 36V of batterys, and they are able to get 97mph out of it. I seen others get 60mph. I'm going around online for Forklift repair shops, and wondered if ANY forklift motor...

Heh, motors weigh a lot too. I was told you can get IGBTS out of electric stoves too. Depends on how many amps. You can get mosfets online that can do high amps at 50V or w/e your use is... This does 60V 270A constant...

Heh..Similar thing i thought of..I planned (once i find a motor) to use IGBTs for the PWM speed control. Looks like yours is going along good :)

Stumbled onto this site by searching around how to make these electric go-karts. I decided it would be a fun project to try, seeing I'm a high voltage junkie and know a lot bout electronics, enough to probably make my own motor controller easily, but I'll still probably buy one anyways :o I've...