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  1. S

    No full speed q100c, how is 3 speed switch working?

    It is GREENTIME 36V/48 V 350 W...
  2. S

    No full speed q100c, how is 3 speed switch working?

    Hi! On my commuter bike I have q100c 328rpm and Chinese 17amp controller, 14s 52v. According to simulation unloaded speed should be 67 kph...
  3. S

    Toy car batttery replacement

    Hello! I need to replace battery on Ford Ranger toy car. Like that one https://www.beneoshop.com/electric-ride-on-toy-car-ford-ranger-wildtrak-4x4-lcd-luxury-lcd-screen-2-4ghz-2x12v-4-x-motor-remote-control-two-seats-in-leather-soft-eva-wheels-fm-radio-bluetooth-black.html. Ther are 2x 7ah 12v...
  4. S

    q100 week and strange sound

    Sorry. Here is correct one https://youtu.be/0KAGwGwm35I
  5. S

    q100 week and strange sound

    :bolt: :bolt: :bolt: Video with sound: https://www.youtube.com/watch?v= :bolt: :bolt: :bolt: I've tested again and the free spinnig wheel speed is actually 58 km/h at batterie charged to 54v. I'm not going that fast anyway ;)
  6. S

    q100 week and strange sound

    Yes I know that all, I've been reading a lot before deciding which version to buy. Bought 201, but got 328 for testing and I'm surprised how good it performs in my case. What is worrying me is the sound at max speed which is 44 km/h 328 rpm's hmm... I guess with my voltage the unloaded wheel...
  7. S

    q100 week and strange sound

    My controller, a Chinese one, have 3 speed switch 80/100/120%. I'm not sure how this works, does it limit the throttle, amps? When no wires are connected I guess it is the 100% mode. In 80% mode there is no sound I've mentioned before. Video in mode 100%, no 3 speed selection wires connected...
  8. S

    q100 week and strange sound

    I've tested with another motor and the problem disappeared. For that test I used 328 rpm motor (I'm going to use 201rpm version in my build) and there was a roaring sound when the wheel rotated about 45 km/h and it was not accelerating anymore. I guess it should accelerate further according to...
  9. S

    q100 week and strange sound

    Thank you all! This is exactly what I'll do!
  10. S

    q100 week and strange sound

    I've connected another controller and problem remained. I might have touched hall and phase pins while putting nut over motor wire while installing wheel. Instructions how to change halls in q100 are welcome.
  11. S

    q100 week and strange sound

    Thank you Motomech! I did this test of hall sensors and even recorded it https://photos.app.goo.gl/EKwPCvpPaKQKnU4v5. Hall sensors look fine for me. By self-learning I mean ability to teach the controller the order of hall sensor wires so it knows which way to rotate the motor. When you...
  12. S

    q100 week and strange sound

    I'v discovered that I was doing the self-learning in wrong way. I was turning off the controller, as I had in the instruction, actually disconnecting the self-learning cable and connecting it again did the trick. Now it rotates in the same direction when using self-learning and throttle. However...
  13. S

    q100 week and strange sound

    Hi! I'm building a commuter bike with q100c motor and a Chinese 17 amp controller with self learning procedure. The self learning procedure was not working for me. The engine always rotated backwards, but on the throttle it was going fine. I've put everything together for a test and did a ride -...
  14. S

    Lightweight/discrete Q128c commuter build on a road bike

    Hi! I'm new here! My name is Marcin and I come from Krakow/Poland/Europe. I'm going to build my first e-bike, a commuter bike based on Radon Skill 7.0. After long analysis I've chosen q100c@201 rpm. I've got some 10% hills which is the steepest sections go up to 20%. My commute is 26 - 30 km...
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