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 Post subject: thrash drilling
PostPosted: Fri Sep 21, 2012 7:05 pm 

Joined: Sun May 23, 2010 4:11 pm
Posts: 120
Hello, can I get some help with a drilling for my new thrash? Low to med revs,track 11 1/2, 13* tilt, 15mph, PAP 4 9/16 7/8 up. I like it long with good backend. I like playing down the oil line..thankyou


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 Post subject: Re: thrash drilling
PostPosted: Thu Oct 04, 2012 11:57 am 

Joined: Thu Aug 27, 2009 10:43 pm
Posts: 1701
Location: Rochester NY
55x40@4.75" with a P3 hole.


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 Post subject: Re: thrash drilling
PostPosted: Thu Oct 04, 2012 4:01 pm 

Joined: Sun May 23, 2010 4:11 pm
Posts: 120
how would 60 or 65 instead of 55 change the balls reaction. I had a cruel le with same layout, but no p3 hole. Im excited about this ball. my other motiv balls have been aggresive. cruel le, 2 cruel and raptor. they have change the the oil patten for our league, to less oil and my balls hook to much. I think the Thrash is the answer? thanks


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 Post subject: Re: thrash drilling
PostPosted: Thu Oct 04, 2012 6:10 pm 

Joined: Thu Aug 27, 2009 10:43 pm
Posts: 1701
Location: Rochester NY
It is symmetrical, so it won't impact the reaction.


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 Post subject: Re: thrash drilling
PostPosted: Thu Oct 04, 2012 8:23 pm 

Joined: Sun May 23, 2010 4:11 pm
Posts: 120
what does the p3 hole do? thanks for your help


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 Post subject: Re: thrash drilling
PostPosted: Thu Oct 11, 2012 5:55 am 

Joined: Sun May 23, 2010 4:11 pm
Posts: 120
had my thrash drilled. the proshop said he could not add a p3 hole because of my large hand span and the size of the pin? so it's 55x40@4.75", without hole .he said a p4 hole is the thumb hole. I was liking the p3 hole idea. I've never had a ball with a balance hole. any thoughts?


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 Post subject: Re: thrash drilling
PostPosted: Mon Oct 15, 2012 8:12 pm 

Joined: Thu Aug 27, 2009 10:43 pm
Posts: 1701
Location: Rochester NY
How does it roll without a hole, and do you feel it needs modification?


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 Post subject: Re: thrash drilling
PostPosted: Wed Oct 17, 2012 1:45 pm 

Joined: Sun May 23, 2010 4:11 pm
Posts: 120
well it seems to be ok. what am I looking for? Does the driller know what he's talking about? It rolls alot like my 2 cruel..It is much more aggressive then I expected.


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 Post subject: Re: thrash drilling
PostPosted: Thu Oct 18, 2012 12:15 pm 

Joined: Thu Aug 27, 2009 10:43 pm
Posts: 1701
Location: Rochester NY
In symmetrical balls the PSA ends up in or near the thumb, so P4 being the thumb is correct. If the pin to CG distance is on the shorter side, and your span is long, sometimes the static weights will restrict where you can place holes. Drilling the middle finger deeper can shift some weight to the positive thumb quadrant to help keep things legal. It sounds like your driller has a good idea of how things work.


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 Post subject: Re: thrash drilling
PostPosted: Fri Nov 02, 2012 7:59 pm 

Joined: Sun May 23, 2010 4:11 pm
Posts: 120
I've had my thrash for awhile now. It hooks alot more then I wanted or expected. The lanes I bowl on, are med. oil. My 2 cruel is way to aggressive. The thrash is close to the same. If I 3000,4000 abralon pad and some polish to the thrash. Do you think that would tame it down some?


Last edited by oviewan on Wed Nov 14, 2012 9:05 pm, edited 1 time in total.

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