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    Controller Light Output - Uses?

    I'm not sure what you're saying, but if you have a three wire brake connector and you want to connect a 2-wire brake, it should be connected to the signal and ground wires, not the red 5v. The brake signal wire is connected to the controller's CPU. It's held at 5v by a pull-up resistor, and the...
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    Help! Hi there, I wonder if anyone can help?

    Try the other way round then. Maybe the fall damaged the torque sensor. Disconnect it and see if the bike works with the throttle. Unless it's a brushed motor, the only way the controller can give power to rotate the motor is by a signal from a sensor. The controller CPU normally checks all the...
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    Help! Power/Torque Upgrade for Heavy Duty Soundsystem Trike

    If he's Polish rather than East German, it's Andrew, the guy in my photo, who I know. If I remember, I'll phone him tomorrow and find out what diffs he uses.
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    Help! Hi there, I wonder if anyone can help?

    I think that you might have damaged the throttle cable from the fall. Follow the cable from the throttle until you come to a connector. Disconnect it and see if your regenerative braking and torque sensor works again. If everything works except the throttle, then you know it's the throttle. You...
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    Byocycle Chameleon FD folder controller/display problems

    I think you might have figured it out correctly, but I have some reservations. If it's an analogue one, the green wire gives an analogue signal to the controller for the PAS speed. For a three level one, it would be something like 1v =level 1, 2v = level 2, 3v =level 3 and 4v = 4mph. I've never...
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    Newbie looking for help

    That's it above. You need a couple of washers or some sort of spacer on the axle between the motor and the drop-out. Arrange the spacers so that the caliper is in the middle of its sideways adjustment. That will make the motor even wider and the frame will have to be stretched further, but...
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    Dead HESC

    If I take everything you said at face value, my logic says that the motor connector became dislodged in the downhill ride so that there was a partial disconnection. When she started to pedal again, the motor controller gave it's power, but couldn't rotate the motor because of the incomplete...
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    Help! Hi there, I wonder if anyone can help?

    Can we have some more information about how the bike suddenly working? Were you going up a hill, stopped at traffic lights, went over a big bump or what?
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    Newbie looking for help

    Yes, just pull or lever the forks apart to get the motor in. All bikes have the same 135 mm wide rear forks. Its a standard. There are some exceptions, but those are mainly unsuitable for motors. The amount of force you need to put the motor in depends on the construction and stiffness of the...
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    Coyote connect

    Before buying a new one, you need o determine where the fault is because these devices often indicate a fault elsewhere. Their main function is as a switch to power the motor controller. The bike will work without the control panel if you make the connecion yourself. To do this, you follow the...
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    Newbie looking for help

    OK, thanks, that makes sense now. Cassette motors are about 10mm wider than the frame, so you have to spring it in. You might need a big screwdriver or something like that to help lever the motor in. Another thing you can do is get a piece of 10mm threaded rod, a couple of nuts and a couple...
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    Newbie looking for help

    Can you show us what you've got? Is it a front motor kit? What is "it" that's too narrow, the motor or the fork?
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    Help please

    It's not an s866. You better show us what it is.
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    Gazelle Easy Glider Battery Options

    You can get cheap batteries on German Ebay. Search for Panasonic Akku
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    Dead HESC

    That doesn't explain how it happened. Did it start misfiring when you were riding, just go dead in the middle of a ride or what?
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    20 inch Tyres...

    The 406 is important, but you can choose the width. Anything from 30 upwards would be OK. The bigger, the more comfortable. You don't need to take the wheel off to fix a puncture. That's what you do when there's no motor in the wheel. For a motor wheel. turn the bike upside down, pull the tyre...
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    Dead HESC

    If you get excessive resistance when you push the wheel backwards, there's a short between the motor phase wires. That can happen after an accident or bad handling damages the motor cable or when a mosfet in the controller blows. These things never happen by themselves, so tell us the...
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    WTF happened to 50cycles?!

    No, it's a mystery. Normally, you'd get them after an operation or injury, but I didn't have anything like that. Doctors aren't like engineers. When engineers see a problem, they solve it by finding the cause. Doctors solve by treating the symptoms.
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    WTF happened to 50cycles?!

    Thanks, I'm a lot better now. I managed a 35 mile bike ride the other day. I'm OK as long as I don't pedal too hard. Fitbit is handy for monitoring heart to make sure I don't overdo it. It was weird - one day I was OK and the next day I couldn't walk 10ft. I thought I had the Chinese plague, so...
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    Help! Power/Torque Upgrade for Heavy Duty Soundsystem Trike

    Your photo isn't very clear, but it looks like all you need to do is replace your jack-shaft axle with a hub-motor, as long as you have enough clearance for the outside diameter. Then you can chuck the old motor or use both. The sprocket on the left side is screwed to the motor using the 6...