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Author Topic: Drilling  (Read 2491 times)

dippy

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Drilling
« on: March 11, 2010, 08:14:55 AM »
I have to ask all these new ways of drilling balls Ebonite, Morich, Hammer all have different ways of drilling. I have looked at all of them and all are just positioning the pin,cg and the mass bias and all of them also say to adjust  or tweak it to put pin in a better positioning.
Why not just place the pin and cg and mass bias where ever you want it.
I know that you are supposed to work off the pap but if you change your roll you change your pap changes so pap dont work unless you throw the same shot every time.
I would like to know what everyone thinks.
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headwest

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Re: Drilling
« Reply #1 on: March 11, 2010, 04:55:24 PM »
I think I know how you got your name
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Billy Ray

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Re: Drilling
« Reply #2 on: March 11, 2010, 06:00:57 PM »
You always start these layouts with your 'A' Game PAP measurement. YEs changing your hand position will modify your track and axis and tilt slightly. More in symmetrical balls and somewhat less in the higher Mass bias balls. You are not going to overpower the higher performance cores and their physics with your release. The core is going to spin and migrate the way that physics dictate. Thats why you start with using your 'A' Game axis measurements. Plus it gives you a solid reference point to start from for each ball you drill.
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dippy

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Re: Drilling
« Reply #3 on: March 12, 2010, 12:05:06 AM »
head your just a wan-ker so shut up.
I understand about the weight block but there is still no diff useing you pap or not because you can just place the pin,cg,mb and I can find my pap and give you 4x4x3 or what ever it works out to be.
Why should you use the pap if your only setting up the pi,cg,mb.
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the pooh

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Re: Drilling
« Reply #4 on: March 12, 2010, 06:44:48 AM »
You use the pap to KNOW where to put the pin and mass bias to get a certain result. If you do not use the pap, you are guessing at the proper location. You may get it right by blind luck. Usually you won't.
   Also,it is harder to change your  pap than you think! You can change your revolutions, and not change you pap one bit! You can change your rotation of axis, and not change your pap one bit!
 You can change your tilt(size of your track) and not even change your pap at all! I have had many people tell me they can change their pap by changing their roll but when we taped their ball and they tried, it did not change! It's almost like a fingerprint unique to each individual.
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dizzyfugu

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Re: Drilling
« Reply #5 on: March 12, 2010, 06:54:37 AM »
quote:

I understand about the weight block.


Maybe not...?
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charlest

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Re: Drilling
« Reply #6 on: March 12, 2010, 09:34:45 AM »
quote:
head your just a wan-ker so shut up.
I understand about the weight block but there is still no diff useing you pap or not because you can just place the pin,cg,mb and I can find my pap and give you 4x4x3 or what ever it works out to be.
Why should you use the pap if your only setting up the pi,cg,mb.


No, you don't just use your PAP.
You, or your driller should use your PAP, tilt, rotation, ball speed, intended oil amount and intended ball reaction to place the pin and the MB. In general, you do not "set up" the CG unless it is to make the ball legal and that's soon to be history.

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"None are so blind as those who will not see."

Oskuposer

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Re: Drilling
« Reply #7 on: March 12, 2010, 09:52:36 AM »
release will always affect ball motion.  Billy Ray if you throw a back up ball it will still hook to the right even if you lay something out that wants to roll toward its negative axis.
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JohnP

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Re: Drilling
« Reply #8 on: March 12, 2010, 06:54:54 PM »
Dippy is right, all any layout technique can do is determine where the holes and balance hole will go.  The advantage to the dual angle technique is that it is better at matching the layout up with the bowler's characteristics and the desired reaction.  Have you read Mo's article on Dual Angle?  If not, the link is below.  The first 3/4 of the article deals with how to lay a ball out with the technique, if you're not going to do that don't bother to read it.  Find the section on how to apply the method and read it carefully at least three times and you'll understand why it's better than the others.  --  JohnP

http://www.morichbowling.com/Drilling/DualAngleSeminar/DualAngleSeminar.htm
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