bowl1820

  1. Comparisons of Methods of Calculating Rev Rate

    After trying the different methods of calculating the rpm's.

    Using a test video.

    I've tried counting the rotations as the ball goes down the lane. (gave a result that was 450 rpm.)

    Example (this is a new video from Storm to use with their new Matchmaker app page.)


    I then tried the USBC method that uses counting 10 frames & how many hours the ball turns (1 rotation = 12 hours). (This ...
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