I'm looking for a CVT or IVT transmission for a diy electric bicycle?

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Joel

I'm planning out a DIY electric bike, and I want to use a direct drive system. I'm thinking about using a couple angle grinder gear boxes instead of chains and gears, but I need a CVT or IVT transmission. That's Continuous Variable Transmission or Infinite Variable Transmission.
It would be great if there is a power tool or some other low-cost component I could dismantle to easily get one of these transmissions. Go Karts use them, and they are cheaper than I would spend at a bike shop, but they're built really beefy for the kind of strain a Go Kart motor would put on it. Does anyone have a suggestion?

Answer
i have built my own elec bicycle .. i used a " hub motor bicycle kit . total cost of $230 for the kit including charger . throttle , and controller box Then you have to buy the batteries separate or you can buy " chain driven elec bicycle kits " you dont need transmissions using DC elec motors because they ae Variable speed motors . the " throttle " controls the speed. The higher the voltage of system the faster it will go. mine is 36 volt. 500 watt. with 6 - 12 volt 12 amp hour batts to make 2 -36 volt battery banks. next time i will try a 48 volt 1000 kit.

also google " electric bicycle youtube " and " elec bike forums " to learn more. Hub motors are much more efficient and quiter too. .

Looking for a forum dealing with home built electric motors?

Octal040

Does anyone know of an active place to discuss and learn more about electric motor design? Specificaly, pancake or hub motors commonly used on electric bikes and newer hybrid cars.

Answer
Start by googling Beakman motors

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Title Post: I'm looking for a CVT or IVT transmission for a diy electric bicycle?
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