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Author Topic: drilling terminology  (Read 1023 times)

skevr

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drilling terminology
« on: June 29, 2005, 03:22:12 PM »
I was wondering what is meant by stacked leverage? and what effect does it have on a bowling ball ( does it hook more ?)
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JohnP

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Re: drilling terminology
« Reply #1 on: June 30, 2005, 11:08:31 AM »
skevr -- Any leverage layout has the pin located 3 3/8" from the PAP.  The stacked version also has the cg or mass bias located 3 3/8" from the PAP.  This layout provides maximum flare and kicks the cg out far enough (for most PAP locations) to allow a balance hole to be used to fine tune the reaction.  --  JohnP
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