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Author Topic: difference in drilling techniques  (Read 2340 times)

dballz

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difference in drilling techniques
« on: March 28, 2009, 06:52:30 AM »
i have a question regarding some different drilling techniques i have read up on. im curious to hear some thoughts on dual angle vs roto-grip/storm layouts with the pin buffers?

with the dual angle, they say 75* gives you a snappy reaction. but in storms layouts, they say to go something like 4 x 4, w/ a certain pin buffer. so which one do people usually go by? i like the dual angle myself, but i am just curious if anyone has tried both, and if there are any differences between the two?

 

JohnP

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Re: difference in drilling techniques
« Reply #1 on: March 28, 2009, 03:02:54 PM »
Both are methods for determining the exact pin location for the chosen pin to PAP distance.  Mo's dual angle technique helps match the layout to the customer based on his/her game, but the exact same layout can be described with the X x Y plus pin height, drilling angle plus pin buffer, or any of the other techniques out there.  --  JohnP

kidlost2000

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Re: difference in drilling techniques
« Reply #2 on: March 29, 2009, 01:16:27 AM »
You can put as much math and science into the art of drilling as you would like and get exact numbers for what you just did.

You can then calculate based on where the pin is the exact Rg the ball now has and other things as well.

Many times this will also have a lot of lines and other markings all over the ball that look confusing to almost anybody.

But....

When you drill the holes and remove all the lines you still have a ball drilled with the pin say, above the right finger and the cg just right of the center grip line and the mb just right of the thumb.

Or maybe you call it a 4X4 or 5X4 pattern roughly. None the less it is many of the same patterns done more technical to get an exact and perfect(in hopes)drill for the way that bowler throws the ball.

But that will not save your bowling game if you don't practice and make your spares.


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" hand, don't step on the lanes without some "
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Lillen

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Re: difference in drilling techniques
« Reply #3 on: March 29, 2009, 02:28:14 AM »
If you have the Roto Grip/Storm or any of the other non Dual Angle layouts and wanna know what Dual Angle layout you have, here's a video showing how to do it...

http://www.youtube.com/watch?v=Oq8SG1rqdCw
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Edited on 3/29/2009 2:29 AM

dballz

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Re: difference in drilling techniques
« Reply #4 on: March 30, 2009, 10:37:13 AM »
i agree with the coaching, practice, and making surface adjustments to help a persons game. trust me, i am always preaching about spares and how important they are.
i was just curious to hear some thoughts on both layout techniques, as a learning tool for myself.

J_w73

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Re: difference in drilling techniques
« Reply #5 on: March 30, 2009, 11:23:46 AM »
quote:
i have a question regarding some different drilling techniques i have read up on. im curious to hear some thoughts on dual angle vs roto-grip/storm layouts with the pin buffers?

with the dual angle, they say 75* gives you a snappy reaction. but in storms layouts, they say to go something like 4 x 4, w/ a certain pin buffer. so which one do people usually go by? i like the dual angle myself, but i am just curious if anyone has tried both, and if there are any differences between the two?


I would not call a 4 x 4 a snappy reaction.. 4 inch pin to pap is too short and the MB would be a little less than 50 degrees.. also not snappy in my opinion.
From my experience my snappy/skid snap/ or big backend drilling is around 60 to 70 deg mb with a 5 1/2 pin to pap with the pin above the bridge.

I guess this would depend on your speed and rev rate though.

as far as just laying out a ball and drilling lingo and talking about it I prefer the dual angle
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16-17 mph,350 rpm,PAP 5 1/2 x 3/8up, HighGame 300 x 3, High Series 782
Book Average 215 / 205,PBA Xperience ave180

350 RPM, 17 MPH