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    Jeetrike mountain handbike with Bafang BBS02 modified to Cycle Analyst V3

    Hi endless sphere forum, in case of anybody being interested in a Jeetrike mountain handbike with Bafang BBS02 modified to use Cycle Analyst V3 see the link below. Please note that this is a link to a german forum, but google translate will to the job to translate when needed ...
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    Replacing MOSFETS on a Grin C3620-NC Controller

    When running a motor sensorless on the bench without any load I used thin probe wires with alligator clips. Most probably the connection was not stable, so induction caused over voltage causing my Grin C3620-NC controller to die. In fact, one or two MOSFET were blown. So be warned to use crimped...
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    How to run Sunstar mid motors with Cycle Analyst V3

    In order to get a new handbike running properly with electric support - this means adjusting the motor behaviour to the lower human torque provided by arms instead of legs - there were a couple of things to be done. I wanted to have control over the motor, so a CA3 needed to be used instead the...
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    How to easily measure pulling force, torque motor efficiency

    For our next hand bike project (see https://endless-sphere.com/forums/viewtopic.php?f=2&t=80217&sid=676831c55bbbb422a3042f624c01e0eb) we were wondering about the torque and pulling force, our current handbike can supply. So I ordered a (pretty cheap) digital baggage scale: The idea was to...
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    upgrade a Stricker handbike (wheelchair tricycle) off road

    Hi there, I just want to tell everybody interested about upgrading an electically supported Stricker handbike (wheelchair tricycle) for way better off road capabilities, including changing the motor to solve thermal problems. This included also solving a good amount of mechanical problems. The...
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