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    The Tongxin Motor thread

    Not heard of anyone overvolting but in the last year Tongxin controllers seem to have become far more reliable. Many have been sold on Cytronex bikes and as kits with no reported failures. My latest one is going strong, without wishing to tempt fate.
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    An alternative to thumb or twist throttles

    My setup is: - thumb throttle with the spring removed - brake cut-outs - an additional off switch (wired into the brake cut-outs). It works very well - much easier on the wrist and enables much finer speed control than a normal throttle. There is the risk of forgetting and releasing the...
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    Sensorless Brushless E-Bike Controller

    Bike now re-built and working extremely well - very happy with it! If anyone is interested in the full story, set-up, what went wrong, what went right, pictures, etc - please see here Frank
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    Sensorless Brushless E-Bike Controller

    My controller has arrived too (thanks Brett!), I've tested it and it works. Turns the motor from a standing start, no problems. I'll now re-build the bike! Frank
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    Sensorless Brushless E-Bike Controller

    Tongxin sells its own controller for a lot less than that!
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    Sensorless Brushless E-Bike Controller

    John, Jeremy, It definitely is the sensor version. I bought the same from Brett, for my Tongxin, and received the same! I also thought there were too many wires, and queried it. I sent him the photo back and he said that I'd been sent the sensor version in error and he would get the...
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    Sensorless controller question

    My first controller did that. I then found that the SLA battery I had been using to test the Tongxin had been damaged in some way that it popped fuses whenever it was connected to anything. Frank
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    The Tongxin Motor thread

    Interesting - thanks. Mine sounds different as it is completely dead, with wheel off the ground, wheel already spinning, etc - no noise or anything. A guy on the pedelec.co.uk forum was pretty sure that means its electrical not mechanical (ie the controller). Bad luck on your timing! I use...
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    The Tongxin Motor thread

    It's interesting to read this and compare with my situation - which I'll post to add to the store of common experience. My Tongxin is currently off the road, with about 150 miles on the clock. I have a 36v 260 rpm motor fitted to a normal Marin hybrid bike with 700c wheels (Timbo, your...
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