BallReviews

General Category => Drilling & Layouts => Topic started by: mikeywg on June 11, 2007, 08:20:02 AM

Title: LAYOUT ISSUES
Post by: mikeywg on June 11, 2007, 08:20:02 AM: What kind of reactions should i expect from these layouts.

pin under bridge, cg kicked out at 45 degrees

pin OVER bridge, cg kicked out at 45 degrees

pin above and right of ring, cg strait down

pin above and right of ring, cg kicked out at 45 degrees

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Title: Re: LAYOUT ISSUES
Post by: BrunsWolf on June 11, 2007, 04:47:15 PM: IMPORTANT: Remember that CG NOMADDAH

Its hard to say what they will do since we don't know your PAP

In general, above fingers = length
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Title: Re: LAYOUT ISSUES
Post by: hhsbowler on June 11, 2007, 04:53:53 PM: Also with the CG out 45 degrees, if the ball needs a weight hole depending on the amount of side weight, it will effect the reaction also.
Title: Re: LAYOUT ISSUES
Post by: hhsbowler on June 11, 2007, 04:54:33 PM: Also with the CG out 45 degrees, if the ball needs a weight hole depending on the amount of side weight, it will effect the reaction also.
Title: Re: LAYOUT ISSUES
Post by: dumbcomputers on June 11, 2007, 05:33:28 PM: Do you mean MB vs. CG?
Title: Re: LAYOUT ISSUES
Post by: azus on June 11, 2007, 05:58:40 PM: Its easier to say where the cg is than the mb is..
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Title: Re: LAYOUT ISSUES
Post by: azguy on June 11, 2007, 06:06:02 PM: A good rule, not exact but a good rule.

Taken from Ebonite site:

Mass Bias degree placements are determined by the angle formed by a line drawn from the pin to the Mass Bias versus a line drawn from the pin to the Positive Axis Point. The placement of the Mass Bias is a secondary influence on determining ball motion. Pin Distance is the most important influence. Mass Bias placements and ball motions as follows:

0 Degree Mass Bias Very Smooth and Even reaction
45 Degree Mass Bias Early roll Ball Reaction
75 Degree Mass Bias Strong and Angular Ball Reaction
90 Degree Long and Smooth Ball Reaction
135 Degree Mass Bias Not Recommended Because of Very Little Flare Potential

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Edited on 6/11/2007 6:04 PM
Title: Re: LAYOUT ISSUES
Post by: mikeywg on June 12, 2007, 10:21:06 AM: so if i go with a 75 degree placement on my cg then i will get a more skid flip reaction?

--------------------
300 x 5 800 x 1
check my ebay auctions here.
http://search.ebay.com/_W0QQsassZ61lesiaQQhtZ-1
Proud new owner of lane #1
Tsunami
Cobalt Bomb
Black Cherry Bomb X2
X L PRO PURPLE
Gold Nugget
Enriched Uranium
Army Carbide Bomb
Uranium HRG X2
And the almighty

G-Force
Title: Re: LAYOUT ISSUES
Post by: Weaser on June 13, 2007, 07:58:20 PM: Check this http://www.rollrite.co.uk/
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