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Thread: Where do you put the tape for measuring RPM on a standard drilled ball?

  1. 02-06-2015, 10:37 AM #1
    Hendu71
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    Default Where do you put the tape for measuring RPM on a standard drilled ball?

    I understand it's supposed to be tied the PAP, but I don't know where that is. Nobody watched my throw before the ball was drilled, they just did it off finger measurements.
  2. 02-06-2015, 11:06 AM #2
    bowl1820
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    How to find a bowler's PAP, ball speed, rev rate, axis rotation and axis tilt from Powerhouse

    Right handed Stroker, high track ,about 13 degree axis tilt. PAP is located 5 9/16” over 1 3/4” up.Speed ave. about 14 mph at the pins. Medium rev’s.High Game 300, High series 798

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