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Originally Posted by BerntR
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Did Homer btw write that the shaft ideally was prestressed at impact?
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The Shaft is stressed by the Impact Collision of Club and Ball. In the Start-Down Loading, the Hitter
Pre-Stresses the Shaft with Clubhead Lag Pressure Point Pressure via the Right Elbow. The Swinger's Loading allows Centrifugal Force and its efforts to
Straighten the Shaft to do that job via the Left Wrist. This is the "flexed, stressed Clubshaft (Hitters) and the wallop of Centrifugal Force (Swingers)" of 6-F-1.