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 Post subject: Raptor "post drill tweaks"
PostPosted: Mon Aug 29, 2011 4:07 pm 

Joined: Sat Mar 12, 2011 9:57 pm
Posts: 5
I had a Raptor drilled a couple of days ago and I have a few questions about what to do now. First off the ball is GREAT, its me that created the problem.

Stats
Rev 325-350
PAP 5 1/8 1/8 up
Rotation aprox. 60
Tilt 13 (I think)
Speed 16 at the pin deck

I drilled the ball 40@3.5*30. I'm coming off a thumb injury so my rev rate is down a little from last year so i was hoping to get a ball to help me a little more. After drilling the ball, I loved the roll. Bowled about 1.5 games but had install a balance hole. I had 1 3/4 oz side weight and 1/2 oz thumb. I was not on league fresh oil but recent oil so I thought I would place a p3 balance hole. Went back out and I could not carry a 10 pin to save my life. Adjusted surface polish, 2x polish, 1000, 2000, box, no help. The ball rolled up on me no matter what I tried. I went to one of last years balls I had, Mutant Pearl 35@5*35 P1.5 and carried well. (I left my QZ2 and Primal home, plus I'm not in mid-season form) I know the two balls are not intended to roll the same but I want to be prepared for adjustments on the Raptor if the oil pattern stays the same.

Now this is what I need help on.
1) Wait for more oil volume
2) Plug balance hole and move to p1
3) Increase drill angle

Look forward to your opinions.
Proud member of MOTIVnation!


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 Post subject: Re: Raptor "post drill tweaks"
PostPosted: Mon Aug 29, 2011 5:57 pm 

Joined: Thu Aug 27, 2009 10:43 pm
Posts: 1701
Location: Rochester NY
A 20% increase of a .060" differential will do that. Best bet will be to plug the hole and place it between P1 and P2.


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 Post subject: Re: Raptor "post drill tweaks"
PostPosted: Mon Aug 29, 2011 6:33 pm 

Joined: Sat Mar 12, 2011 9:57 pm
Posts: 5
Justin,
Thanks for your rapid response! Do you have a better layout suggestion I should have used. I'm open to redrilling another and using this one for heavier oil. I bowl on THS synthetics and occasional sport shots.

If I were to plug p3 and go with P1 for more backend. Is it possible to drill the thumb deeper to eliminate the thumb weight to drill a bigger p1 or will this increase the problem I'm having?


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 Post subject: Re: Raptor "post drill tweaks"
PostPosted: Tue Aug 30, 2011 2:19 am 

Joined: Thu Aug 27, 2009 10:43 pm
Posts: 1701
Location: Rochester NY
Amount of thumb/finger or side is irrelevant to reaction, just make sure it is legal. A small and deep hole is more effective than a large shallow one.


I probably wouldn't have arrived at such a small angle sum for you, seeing as you are rev dominant. My inclination would be 55x40@3.75".


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 Post subject: Re: Raptor "post drill tweaks"
PostPosted: Tue Aug 30, 2011 12:35 pm 

Joined: Sat Mar 12, 2011 9:57 pm
Posts: 5
Always learning!! Like I said it is no fault of the ball only the driller.. me. I underestimated the strength of the Predator Core. I had multiple people come up to me and see what I was throwing, they could see and hear from the other lanes and the bar area this is ball is a beast. Motiv is turning heads.



Let this be a reminder to all. Pro shop operaters are human and we can make a great ball look mediocre if we don't do our homework correctly.


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