Regarding question #1, I have heard manufacturers recommend that you should not have the pin closer than 1/2" or 1" from the cut of the finger holes due to the possibility of cracking. I have not heard of any pending USBC regs on this, though.

The ball reaction proposed might give you an earlier roll, but it will be somewhat dependent on the ball specs prior to drilling (pin distance, etc.).
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Dan
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Engineering * Bowling = a fun and practical application of rotational kinematics.

Bowling Nerd Herd (TM) Member

I certainly hope not. yet another senseless and unjustifiable regulation, if it were true. I kind of doubt it.
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"None are so blind as those who will not see."
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I will have to get rid of a few balls then.  I like drilling with the pin all over the finger holes, in between the finger holes, drill out the pin.....

I doubt there is any truth to this, it would have been posted on here very quickly.

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There is no USBC rule concerning how close to the pin, or drilling the pin out.

However, for warrenty issues, you should follow the instructions on the box or drilling instructions concerning how close to the pin (primary and mass bias/PSA) you can be and not void the warrenty.

I know, from my years at Brunswick, that you can drill the pin completely out of a Brunswick ball and not void the warrenty. Just make sure that you hit the center of the pin when drill it out so there is no pin left.

The drilling you mentioned, and just looking at your specs., the Cell drilled in the manner you described should give you a fairly even reaction with a strong, continuous backend. This ball is not designed to give you a big skid/snap reaction.

I hope all of this helps.

Verbs


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Larry Verble

i think, and i've seen on all the new ball boxes, as well as in a letter from Track that the ball cannot be sent back due to cracking if the pin is closer than one inch to the finger holes, it voids the warranty i believe