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rc brushless motor sounds

  1. Problem with brushless motor

    Brushless RC Motors & LiPo Batteries
    Hi All I just bought a Dynam 1200mm Spitfire, and it came with motor and ESC preinstalled. I just assembled it, put the battery in and tested the motor at about 25% trottle. In the video I then lower to about 10% before shutting off. Does anyone know what the problem might be...