BallReviews
General Category => Miscellaneous => Topic started by: Schwanstuker on July 05, 2015, 08:38:34 PM
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If you take a 15.3 Brunswick Karma with 2-3 top and a 3.5 inch pin and simply drill the fingers through the Cg without a thumb hole, is this a legally drilled ball?
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yep
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If you take a 15.3 Brunswick Karma with 2-3 top and a 3.5 inch pin and simply drill the fingers through the Cg without a thumb hole, is this a legally drilled ball?
Yes as long as the ball meets the static weight requirements.
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The pin is located above the ring finger which is drilled through the Cg, middle finger just to the left with a 1/4 bridge.
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If throwing a ball with no thumb, the fingers are your center grip line for measuring static weights. If the cg is located near the fingers (and no thumb hole/weight hole is added) it will never have any issues on statics unless the ball had 4.5ozs plus of top weight.
Most bowling balls drilled with two fingers and a thumb with no additional weight hole meet the usbc guidelines for use by no thumb bowlers when weighed on a scale based off the finger holes being the center gripline. If you get board just check random equipment you may be surprised.
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Thank you, a friend asked me for a drilling pattern that would give his new Brunswick length & finish on a THS pattern. He bowls great with it but since I only enough about standard thumb & finger placement this drilling seemed logical.
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CG's are mis-marked all the time.
You have to balance the ball to be sure.