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  1. Pedrohlt

    belt vs chain drive for E-MTB

    So I'm building a dual drive E-MTB and I'm not sure if I use chain/sprokets or belt/pulley for drive. Here are some of the pros that I could think of each one: BELT: - Quieter - Smoother - Less prone to fall off - Less maintenance ? - Lighter ? - Less sensitive to misalignment CHAIN: -...
  2. Pedrohlt

    E-MTB with dual 5065 motor???

    I'm thinking about making a E-MTB with: -2x 5065 270kV sensored motors (https://goo.gl/G0ZmFk) -2x FVT 80A 6S sensored ESC (https://goo.gl/PSk2oW) -3x 6S 5000mAh LiPO for 22.2v 15Ah -Gearing for 25mph My idea is to run at about 1200W max on each motor, to avoid overheating. With the 80A...
  3. Pedrohlt

    Programming X-Car Beast 120A ESC w/o card

    Does anybody know how to program the Hobbyking X-Car Beast 120A esc without the programming card? There is nothing on the manual and I searched but didn't find much info about this ESC. I d like to change some settings like braking, cutoff and timing.
  4. Pedrohlt

    24v controller cutting power at 25km/h

    Hi everyone, A friend of mine has a 250W ebike that cuts power everytime it reaches 25km/h and when it gets to ~21km/h it accelerates again to 25km/h. It's kind of a speed limit and to save battery I think. This ebike doesn't have throttle, it's just PAS controlled. He sent me its controller...
  5. Pedrohlt

    em3ev cellman 24fet controller defect

    Hello everyone, last year I bought a 24fet 4115 controller from em3ev.com. I received it, installed and then tested. It had so much power that was hard to maintain the front wheel on the ground! The next day I was riding and sudenly it stoped. When I got home I opened and saw that the r115 power...
  6. Pedrohlt

    72V 10Ah LiFePo4 from Biwin ??

    I'm going to build an ebike with a 9C 9x7 hub and a 72v 10 or 12Ah LiFePO4 battery. I was going to order 24 38120S Headway cells from battery532.com at $14 each and charger and BMS from EV Assemble. But then I asked a guy from Biwin (http://biwinpower.en.alibaba.com...
  7. Pedrohlt

    Electric Mountainboard Project - 72V 45A controller with 7S

    Hi, I'm working on a electric mountainboard. Here is the specifications: Board - MBS Atom 95X Motor - Turnigy 63-74 200kV Outrunner Batteries - 6 or 7 ThunderSky 40Ah LiFePO4 cells Controller - LVC Disabled E-Crazyman 72V 45A 1500W (I blew up my Suppo 100A ESC) Throtle - 10k slide pot Here is...
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