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  1. Ebike brake lever cutoff switch / interrupt switch : How does it work?

    Electric Bikes
    Hi all, When pressing the brake lever on my ebike the bldc motor controller (aka ebike controller) 'cuts power' to the motor until the brake lever is released again/sensor is deactivated. I would love to know how that works/what happens. I am wondering what causes the power to be 'cut...
  2. Bike Trailer + More Batteries = Long Range (E)Bike?

    Electric Bikes
    Hi Forum, this is my first post! I was reading on here about creating DIY EV cars or another site and they said if you add more batteries, you increase range. I didn't see much online about adding extra batteries to an ebike to improve range, and could not find any pages arguing for putting...
  3. Calculate DC motor specifications (torque power etc) for electric vehicle?

    Electric Motors
    I want to make an electric car like as shown in figure below., with a DC motor. assume no inclination, road is plain surface. please explain all calculation with formulas.THANK YOU following is the basic known parameters: Total mass of car(including rider and everything) = 250kg initial...
  4. Importing electric bicycle conversion kits

    Parts Vendors
    Hi, I'm Doug Synder from San Fransisco. I've been interested in electric bicycles for a long time and promoting their use around our country and the world, it's the best way I know of to reduce impacts from fossil fuel burning. I've now started importing electric bicycle items for resale in the...
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