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Author Topic: The Role of the CG in Modern Day Equipment  (Read 3915 times)

BrunsNick

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The Role of the CG in Modern Day Equipment
« on: August 16, 2007, 08:03:26 PM »
New article up on the front page of www.BrunsNick.com

Happy Friday!
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Nick Smith ... A.K.A. Les Badderâ„¢
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Nick Smith
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Strapper_Squared

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Re: The Role of the CG in Modern Day Equipment
« Reply #16 on: August 17, 2007, 02:55:23 PM »
^^  trying to reel in a statement that can be argued.



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T-GOD

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Re: The Role of the CG in Modern Day Equipment
« Reply #17 on: August 17, 2007, 03:45:02 PM »
Nick,  
quote:
by removing mass with the X-Hole, the dynamics of the bowling ball have been changed
quote:
you must shift mass in order to remove mass
Your quotes are very general..!! What is mass and how does it work..?

How does shifting it affect the ball motion..? Removing mass from an area, how does it affect the ball..? Does placing mass in different areas of the ball have different affects on ball motion..?

It seems like where mass is or isn't(by eliminating/removing it with a hole) affects the ball motion. I'd just like your explanation of it and how it works and affects the balls motion. =:^D

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LuckyLefty

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Re: The Role of the CG in Modern Day Equipment
« Reply #18 on: August 17, 2007, 03:57:36 PM »
I have to say...and no detriment intended...I see dramatic changes in ball reaction on my pancake style blocks such as the Dynamic groove(I know...added puck beneath pancake) when I move the pin position.

Oh I also see major changes by moving the cg on those balls too!

Oh...my balls just change their shape a lot on the lane no matter what I do..pin change, cg change, !

As my style softer speed, high revs for my speed, and strong axis rotation seems to maximize ball reaction.

REgards,

Luckylefty
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BrunsNick

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Re: The Role of the CG in Modern Day Equipment
« Reply #19 on: August 17, 2007, 04:06:08 PM »
Since T-GOD only skims...

quote:
More often than not, an X-Hole will lower the RG and increase the Differential of a bowling ball, thus creating a stronger reaction.


quote:
The shifting of the CG by itself is not enough to alter the reaction of the bowling ball in any measurable way. In a symmetrical core ball, the core orientation is not changed to the point where it alters the dynamic properties of a bowling ball.



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Nick Smith ... A.K.A. Les Badderâ„¢
Brunswick -=- PBA 03-07
http://www.BrunsNick.com
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Nick Smith
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Magic Carpet

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Re: The Role of the CG in Modern Day Equipment
« Reply #20 on: August 18, 2007, 10:32:29 AM »
Nick,
Good job on the article and the research you have done on CGs; thank you for the effort.

NOW can you attack (I know you have nothing else to do hehe) MB with as much vigor as CG.

What is it?
What does it do once the ball is in motion?
What is the affect of placing it in different locations?
This one may be hard to answer...How strong does a MB have to be in order to have an effect? Can we measure MB?

If you drill through the MB does the ball still have a MB when you are finished?

I think the discussion on CG has been good and healthy. There is no way to ever convince everyone of anything but that doesn’t matter. The presenting of facts (as much as they are available) and informed discussion will allow people to make up their own minds. Some people will draw the proper conclusion while others may not.  After all, lots of people believe Al Gore’s movie.

Bowl great!
Ron Clifton

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Magic Carpet

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Re: The Role of the CG in Modern Day Equipment
« Reply #21 on: August 22, 2007, 01:45:52 PM »
Why BrunsNick NOANSWER me?

Bowl great!
Ron Clifton
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KDawg77

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Re: The Role of the CG in Modern Day Equipment
« Reply #22 on: August 22, 2007, 01:48:37 PM »
Hi Ron,

I'm not a driller, but wouldn't you have to actually drill out part of the core where the mass bias was marked to show it's true impact?

BTW...too many people think Al Gore won the 2000 election because he had the national majority, but lost the states. That, and the election was rigged in Florida and Ohio.
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BrunsNick

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Re: The Role of the CG in Modern Day Equipment
« Reply #23 on: August 22, 2007, 01:51:45 PM »
An article could be in the future.

In order to test post-drilling #'s, I would need equipment that the USBC has in order to get those figures.
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Nick Smith ... A.K.A. Les Badderâ„¢
Brunswick -=- PBA 03-07
http://www.BrunsNick.com
http://www.AskTheBowler.com
http://www.BigBapparel.com
Friends don't let friends drink the Kool-Aid!
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Nick Smith
Digital Media Manager - Brunswick Bowling
http://www.brunswickbowling.com
http://www.youtube.com/c/brunsnick

purduepaul

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Re: The Role of the CG in Modern Day Equipment
« Reply #24 on: August 22, 2007, 07:18:38 PM »
Magic Carpet-

To answer your question, no matter where you put the mass bias mark, the bowling ball will still have a mass bias.  EVERY ball after drilling has a mass bias as defined as the radius of gyration of the y axis being different than the radius of gyration of the z axis.  The effect of mass bias is currently being investigated as part of the ball motion study.

Paul
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