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  1. Trevinator

    Circular motor shaft, gear with a flat spot, what do i do?

    would still add a flat spot to the motor shaft so the grub screw has something to bite into. with a 1/18 rc, i would guess its a 48p gear. if you have a dremel with a cut off wheel, would be easy to add a flat spot. doesn't have to be perfect, just has to make the tightened grub screw not rotate...
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