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Author Topic: Question for BrunsRicH and the Nation - Absolute and CG  (Read 1286 times)

lefty50

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Question for BrunsRicH and the Nation - Absolute and CG
« on: March 09, 2005, 07:11:52 AM »
Before I start, yes RicH, I know CG doesn't matter  

I have a new Absolute to go with my OI and UI. It's not bad, but nothing special, at least not yet. Question.

I had it drilled stacked, pin below on outside edge of ring, 3 inch pin with PA 5 x 1/2 up and 75-90 axis rotation. This placed CG below the midline and I was told that would automatically start it with thumb weight due to CG position. After weighing it however, it still had 3/8 oz finger. We adjusted with a weight hole to zero side and slight thumb.

Realizing CG doesn't matter, but concerned about the reaction and the initial finger weight, the CG musta been way off, right? I'm curious if I should be concerned or just start polishing it in case it's burning up?

BrunsRicH (and others) would love your thoughts?

 

BrunsNick

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Re: Question for BrunsRicH and the Nation - Absolute and CG
« Reply #1 on: March 09, 2005, 03:21:57 PM »
Could have taken more weight out of the thumb than fingers causing excess finger weight. (Most probable) Drilling deeper will hit the denser core materials, taking more out, ya digg?

CG could have been mismarked slightly, but really, static weights really are not an issue, other than to make it legal.
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BowlersAidProShop-Wells

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Re: Question for BrunsRicH and the Nation - Absolute and CG
« Reply #2 on: March 09, 2005, 10:23:24 PM »
This is why I always weigh the ball out before I even draw lines on it, to see if the CG is marked properly.  Also, I think the term "cgnomaddah" was speaking more-so of asymmetrical balls.  The cg's location is still quite important in a symmetrical balls layout as you can position it to target a weight-hole, thereby affecting the shape of the weight-block, which changes the reaction.  So in a roundabout way, the CG is important when drilling symmetrical balls.

lefty50

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Re: Question for BrunsRicH and the Nation - Absolute and CG
« Reply #3 on: March 10, 2005, 06:42:32 AM »
Thanks to all. It makes perfect sense now. I'll pass that along to my pro shop as well. I'll consider it safe to start adjusting surface now to see what's up with the reaction.

L50
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