PBA Plastic Ball Layout
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The PBA plastic ball layout began with a 4" pin and 45* VAL angle which can be seen in the following picture. The locations of the Pin and PSA before a balance hole and after a 3/4" balance hole can also be seen on the picture. The mass properties of the ball are:
Un-drilled------ Low RG 2.685, int diff 0.000, total diff 0.026, diff ratio 0.00
3/4" Bal Hole--- Low RG 2.695, int diff 0.011, total diff 0.020, diff ratio 0.55
The final layout on this ball is 80* x 3.3" x 30*.
