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  1. G

    Sensorless controller options, >60V, >20A, torque throttle

    G’day all. I have a couple of sensorless Bafang BPM front hub motors, and an application that they’d be suited to. I do not have compatible controllers, or any experience with them. I haven’t begun researching the options yet. I was kind of hoping someone here could point me straight at a...
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    Cargo bike to tandem scooter conversion build

    I haven’t seen this done before, so it might be of interest to someone with similar criteria to me. I need a form of transport for couriering a mentally disabled person that comes closer to complying with the local vehicle regulations than what I’ve been using to date does. This is the best...
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    Private scooters finally legalised in Victoria (Australia)

    I only just discovered they were legalised in April this year, so posting this for anyone else who might’ve also been oblivious to what the lawmakers finally got around to. Read up for yourself. I just skimmed the vic police website. There’s no power limits, size limits, wheel size limits...
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    Which factory/company produces “WJ” hub motors?

    I’d like to find the “real” specs of a rear hub motor whose code begins with WJ. The rest of the code contains the voltage, wheel size, nominal power, and manufacture date, but no other clues to the make or model. I.e. WJ48V200W40H20datestuff It’s a geared motor that came in a 20” wheeled...
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    Backup power assist setup for my old man

    Hi all, I'd like a simple, reliable, lightweight, efficient, inexpensive, <15km range, power assist setup and feel I've reached the point where it'd be most profitable to stop researching and run a design past the experts, while I don't have any parts for yet so the design is still fully...
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