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  1. Jkosmo

    Notchy, gritty SunnySky motors when tightened

    I've had a sporadic problem with SunnySky 2213 980KV motors recently where they get notchy or gritty when the propeller is tightened down. It feels like they are catching internally when the prop is tight, but spin freely when loose. Sort of like the magnets are super strong or something is...
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