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Author Topic: double thumb  (Read 1296 times)

BXTECH

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double thumb
« on: September 04, 2008, 03:19:00 AM »
what ball specs r needed to have a ball drilled up with the duoble thumb drilling?
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charlest

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Re: double thumb
« Reply #1 on: September 04, 2008, 01:54:06 PM »
double thumbs .....makes many ladies very happy. (Sorry, couldn't resist. been going thru my mind since someone first used this phrase.)
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charlest

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Re: double thumb
« Reply #2 on: September 04, 2008, 01:57:25 PM »
Back to our regularly scheduled bowling program ----

CG should be in the thumb positive quadrant by a large margin, so the necessary weight hole has to be low and opposite the thumb hole, preferably, I'd imagine, below along the VAL.



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DrillLord

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Re: double thumb
« Reply #3 on: September 04, 2008, 02:07:15 PM »
Recommend 4 - 5.5" PIN and 3+ OZ of top weight
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