I had a SPEC Novak Speed Controller I intended to use for the wet car last year, I had the issues where the car would need a nudge to make it move..I thought this may have been the motor. As it wasn't a good quality brushless motor that was paired with it originally. Soldered a GM10.5 on and gave it a test run, accelerated fine...hit the brakes and the speedo went up in a huge puff of smoke, which in turn melted the top PCB to the lower one.
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