BallReviews
General Category => Drilling & Layouts => Topic started by: Next Level PS on May 05, 2003, 04:25:26 AM
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Ball drillers, can you create a Mass Bias in a symetrical core with a rev leveage weight hole. Can a flat spot be created with the combination of the thumb hole and rev hole and will this create a bombs away effect i.e ebonite Matrix. If so how do you pitch the X-hole.
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www.bowlritelanes.com
Edited on 5/5/2003 9:10 PM
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This is a sticky question. What you have to realize is what creates a MB is a pin out ball 1" +. So yes Symmetrical cores DO have MB but the strength of this MB is no where near the strength of a MB in an Asymmetrical core. That is why companies don't mark the MB on their symmetrical cored balls. Because the MB in an asymmetrical core that determines 10% of the balls reaction only determines maybe 2-4% in a symmetrical core. This is why we don't mark those. If you want to use it you can draw a line 6 3/4 inches from the pin through the CG and find that mass. So to answer your question you don't need to do all that because there already is one.
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Roger Noordhoek
Technical & Customer
Services Manager
Roto Grip, Inc.
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I don't think the question was answered properly. Personally, I don't think you can take enough out of the core to create a bombs away effect. And if you could, the ball will probably weigh up to be illegal. =:^D
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You are absolutely right T-god. I like your answer better!
I just was trying to help re-state is question because it didn't seem like he knew that all balls have a MB.
Thanks,
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Roger Noordhoek
Technical & Customer
Services Manager
Roto Grip, Inc.