Originally Posted by O.B.Left
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Hey NM
Not to cross pollenate the threads or anything but is this extension and left shoulder going up thing relevant to your shortening radius for power assertion in the other thread? I dunno.......
OB
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Yes absolutely!
I should qualify that.... I believe the final UP thing is that "pumping" the pendulum thing (parameteric acceleration).
http://sciencelinks.jp/j-east/articl...06A1001780.php By the time they're going up and back they've already done everything possible to delay release and speed up the clubhead (shorten the radius)