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Author Topic: Long pin distance  (Read 3604 times)

thegame

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Long pin distance
« on: July 18, 2015, 06:03:20 PM »
Just got a Black Ops from 900 Global through the PBA member rate, and it came with a 5 1/4 pin to CG distance, putting the CG 1 1/2 from the mass bias marker.  I've never drilled a ball with this much room between the pin and CG.  Any ideas on how best to lay this one out, or should I look into seeing if they will exchange it?  Thanks for the advice and ideas.
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Impending Doom

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Re: Long pin distance
« Reply #1 on: July 18, 2015, 06:19:15 PM »
What's the top weight?
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thegame

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Re: Long pin distance
« Reply #2 on: July 18, 2015, 06:35:36 PM »
Sorry, I meant to put that in, it's 3.4 top weight
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Medichal

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Re: Long pin distance
« Reply #3 on: July 18, 2015, 07:07:05 PM »
can some one please tell me if a 70x2x50 is good for dry lanes thx medic hal
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BradleyInIrving

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Re: Long pin distance
« Reply #4 on: July 18, 2015, 07:07:57 PM »
The ball flares a ton so you have to watch out if you put a hole on your axis... Suggestion for drilling would be "rev leverage" as it was called but it's basically 55 x 6 (or 5) x 30 (to 40)... you'll be putting a hole in the p2 to p3 range so you can get the excess weight out....    You're going to love the backend w/ that though.... wow ;)
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BradleyInIrving

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Re: Long pin distance
« Reply #5 on: July 18, 2015, 07:09:35 PM »
Medichal, if you do a 2" pin to pap i would suggest in the 90 to 135 drill angle range..
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Medichal

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Re: Long pin distance
« Reply #6 on: July 18, 2015, 07:28:26 PM »
bradley thx so much medichal
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thegame

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Re: Long pin distance
« Reply #7 on: July 19, 2015, 10:12:47 AM »
Thanks Bradley, I definitely didn't want to touch it until I got some better opinions about it, I did have a Columbia Pit Boss that I found on the house ball rack a long time ago that had a very long pin distance like this, and had it drilled, and I remember that ball got around the corner like crazy too.  Looking forward to seeing how it works out.
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