1. K

    New Bearings average 13 dB quieter

    Solos have noisy motors. This noise is reduced by replacing the original bearings in the motors. To document the improvement the sound from each motor was recorded before and after replacing the bearings. The recording was done by placing a quality microphone within 1/4" of the motor (no...
  2. Rex Barlow

    what size is the bearing? (motor pod)

    I want to know what size of the bearing so I can replace all 8 bearings before fatal crashed by old bearing!