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Author Topic: Long pin drilling trouble  (Read 3023 times)

Juggernaut

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Long pin drilling trouble
« on: December 19, 2009, 12:10:29 PM »
I just drilled a long pin A.M.F. code. The pin is 2 3/8 inches above the fingers, the CG is just above midline, and the theoretical MB is 1 1/2 inches directly above the thumb. There is no X-hole

 I''m not getting anywhere near the reaction I was expecting. I have an old Coral Triton with a long pin and similar drill that I liked, so I thought I would try it on this ball, but not happening.

 The old Triton went long, then went left pretty hard. The Code goes long, then just rolls over. Doesn''t seem to have much backend movement at all, just a weak arcing motion.

 The pin, ring finger, CG, and thumbhole are all in a line. The pin is on the good side of the VAL, and the flare is NOT reversed.

 One difference between the two balls I see is the depth of the finger holes. The fingers on the Triton are pretty shallow, but the driller drilled the code fingers pretty deep to avoid excess finger weight. Could that make this big a difference?
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Edited on 12/19/2009 9:10 PM
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agroves

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Re: Long pin drilling trouble
« Reply #1 on: December 20, 2009, 12:48:28 AM »
balance hole?  

statics?
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J_w73

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Re: Long pin drilling trouble
« Reply #2 on: December 20, 2009, 01:02:20 AM »
I had a fury pearl with a 5 inch pin drilled for my Dad.  We ended up putting a similar drill on it with the pin way up above the fingers.. I thought this would give the ball some serious flip and snap on the backend.. It didn''t at all .. ball wouldn''t finish or even move... I imagine the code has a stronger cover than the fury pearl but I had him take a 600 grit green scotchbrite to the cover for more hook. This ball turned into a monster.. it still seems to get down the lane on most all conditions but when it gets to the backend the ball just takes off..
and he has hardly any hand at all...
so I would try to adjust the cover a bit and see what that does for you.
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Edited on 12/20/2009 2:03 AM
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BowlersGalaxydotcom

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Re: Long pin drilling trouble
« Reply #3 on: December 20, 2009, 01:20:39 AM »
You probably have negative static weight in the fingers. Depending on your PAP you've probably drilled this ball pretty weak.

ccrider

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Re: Long pin drilling trouble
« Reply #4 on: December 20, 2009, 01:34:33 AM »
Nobody has mentioned surface?????
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ccrider

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Re: Long pin drilling trouble
« Reply #5 on: December 20, 2009, 01:48:35 AM »
Without knowing the surface finish on either ball, I don't think that anyone can give you an intelligent answer. Surface has more impact than static weight in the fingers. No, I don't claim to be an expert. But I have read enough to know that surface is the number one factor in ball reaction.

If I had to guess, I would say, put a light coat of polish on the ball for sure, this should give you a more pronounced move off of the dry. If there is no dry, I say go down on the the surface, say from 2000 to 1000 abralon etc.

It would also be helpful to know a little about the pattern you are bowling on.

CC
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Strokewiththelefthand

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Re: Long pin drilling trouble
« Reply #6 on: December 20, 2009, 04:49:31 AM »
Understand that by putting that long of a pin that high, the pin to PAP distance is gigantic. The Fury pearl was not a huge backend monster so the ball is doing what its designed to do, which is come off the spot smooth like its predecessor the solid fury. A weight hole and a mid level surface like a 600-1000 should help.
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Strokewiththelefthand

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Re: Long pin drilling trouble
« Reply #7 on: December 20, 2009, 04:59:40 AM »
The code as well is not a ball that rolls up hard in the backend. It needs the mids to get started. The N'code is more of a backend piece with I believe a stronger cover. The Code is a great ball so I hope you find success with it. Try taking it down to like 800 or 1000, playing with the surface, or a thumb quadrant hole that can increase the flare and get the ball to start up sooner. It still isn't going to be a backend monster but it will be more usable.
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Juggernaut

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Re: Long pin drilling trouble
« Reply #8 on: December 20, 2009, 09:14:35 AM »
quote:
balance hole?


 NO

quote:
statics?


 Not sure. He weighed it and said it was "legal". Thought statics didn't matter much these days with dynamic weightblocks

 
quote:
You probably have negative static weight in the fingers. Depending on your PAP you've probably drilled this ball pretty weak.


 Again, do statics matter this much?  PAP is 4 1/8 X 1/2

 
quote:
Nobody has mentioned surface?????


 Coral Triton is polished high gloss.  Code is OOB finish

 
quote:
Understand that by putting that long of a pin that high, the pin to PAP distance is gigantic.


  Not so much. Just checked and it leaves me at around 4 1/2 X 4 1/2 ( pin to pap, CG to pap)

 
quote:
The code as well is not a ball that rolls up hard in the backend. It needs the mids to get started. The N'code is more of a backend piece with I believe a stronger cover. The Code is a great ball so I hope you find success with it. Try taking it down to like 800 or 1000, playing with the surface, or a thumb quadrant hole that can increase the flare and get the ball to start up sooner. It still isn't going to be a backend monster but it will be more usable.


 Sound advice.

  Guess I'll double check the static weights to make sure myself they aren't crazy, then play with the surface some. I like the length, just not the lazy backend I'm seeing. If surface doesn't fix it, and statics allow, I'll try an X-hole.

 I started to double thumb the darned thing, then decided against it at the last minute, afraid it would be too strong. Guess I should've went with my first instinct.

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JohnP

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Re: Long pin drilling trouble
« Reply #9 on: December 20, 2009, 01:08:30 PM »
The main thing the static weights will tell you is what size the balance hole can be and where it can be located.  --  JohnP

Juggernaut

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Re: Long pin drilling trouble
« Reply #10 on: December 20, 2009, 09:56:43 PM »
Well, after tonight, I think the ball will be alright. Had the statics checked and came out with 1/4 oz finger, 1/2 positive side, and 1 3/8 top.

 Also found out that the machine hadn't been stripping properly, and had been leaving a residue on the backends. Got that problem cleared up, and now the ball acts like I expected it to in the first place, long with a very hard arc movement to the pins.

 Shot almost 700 with it tonight, and missed 3 tenpins. If I make those, I shoot 720 or better.
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JohnP

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Re: Long pin drilling trouble
« Reply #11 on: December 21, 2009, 09:26:07 AM »
Good news!  --  JohnP