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Author Topic: Finding cg by using a scale  (Read 816 times)

renoatpikeville

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Finding cg by using a scale
« on: January 13, 2009, 04:34:28 PM »
I just got 2 NIB balls with low top and long pins...blems for sure. I want to check to see if the cg's are marked correctly...(there are multiple cg marks)

How do I go about finding the correct cg. Using a scale of course.

Thanks for the imput.
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themagician

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Re: Finding cg by using a scale
« Reply #1 on: January 14, 2009, 12:48:29 AM »
http://www.lane1bowling.com/tech/cg.html

That is the way I would do it.
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renoatpikeville

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Re: Finding cg by using a scale
« Reply #2 on: January 14, 2009, 12:53:33 AM »
gracias.

Let's assume that there isn't a label, would you just pick any spot to begin this process???
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themagician

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Re: Finding cg by using a scale
« Reply #3 on: January 14, 2009, 12:56:24 AM »
Yeah that works, normally its easier if you just try the marked CG first and go from there, lane 1 says the label because they don't actually mark their CG's IIRC, they leave the label and 99% of the time the CG is inside it.
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renoatpikeville

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Re: Finding cg by using a scale
« Reply #4 on: January 14, 2009, 12:58:53 AM »
great! Thanks for the help magicmike! I will definitely use this to double check the cg's.
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themagician

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Re: Finding cg by using a scale
« Reply #5 on: January 14, 2009, 01:00:22 AM »
Not a problem, I was taught that method by my proshop guy, almost identical to how it is worded on the Lane 1 site. Its nice that they have it on their site as its a lot easier to post a link to it than write it out and hope you word it correctly lol.
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JohnP

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Re: Finding cg by using a scale
« Reply #6 on: January 14, 2009, 11:08:55 AM »
It's best if your initial line is within about 1" from the cg.  If it will help you keep the rotations straight, just draw a diamond similar to the Lane 1 logo on the ball and use that.  When I've located the cg I like to start over with the initial line closer to the cg I located and confirm it.  --  JohnP
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