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An additional acronym: MOI

By E. Michael Johnson
Golf World

Thursday, April 29, 2004

Golf acronyms are getting out of control. For years the only abbreviations you needed to know were USGA, R&A and GIR. But with thin-faced drivers came COR (coefficient of restitution). And just as folks were getting comfy with that one, another came along -- MOI or moment of inertia. Simply put, moment of inertia is the term used to describe a clubhead's resistance to twisting when the ball is struck. For example, your swing is a little off and you hit the ball on the toe of the clubhead or ...

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