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Thread: Pivot center
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  #203  
Old 12-21-2008, 11:19 PM
Jeff Jeff is offline
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Join Date: Feb 2007
Posts: 701
Yoda - you wrote-: "At the same time, Centrifugal Force has a Line of Pull. That invisible line is from the #3 Pressure Point (first joint of the right forefinger) to the Sweetspot. This Lag Pressure Point Pressure (1-L #7) is what is driving the Club, not the Clubshaft."

Could you please expand on your argument?

I believe that CF is primarily driving the clubhead and the peripheral end of the club (where the COG is located) and not the entire club (which consists of a clubhead, peripheral shaft, central shaft and grip end of the shaft). I believe that the hands are simultaneously driving the grip end of the club while CF is driving the clubhead and peripheral end of the club.

Your argument seemingly presumes that when the club starts to release and CF comes into play, that the hands are no longer driving the club. However, the hands are still moving the grip end of the club during the process of club release and they are applying a pull force on the club (in a swinger) while the club is in the process of releasing - and this pull force (which is at an angle to the COG of the club) adds supplementary angular velocity to the clubhead and peripheral end of the club during the release process.

See -http://perfectgolfswingreview.net/Ne...%20Science.htm

HK's endless belt keeps moving while the belt moves around the end pulley, and the club is still attached to the endless belt and therefore subject to its continuous motional forces.

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Add additional point - I was writing my post and I didn't see that Yoda was simultaneously modifying his post to read as follows-: "the lag pressure point is what is driving the club" (see next post #204). I originally thought that Yoda was stating that CF was driving the club.

I then have to slightly modulate my argument. I cannot understand what it means when one states that PP#3 is driving the club in a swinger's action. I thought that PP#3 only senses/monitors clubhead lag pressure and that it doesn't drive the club. The club is driven in a drag loading manner by the left hand pulling on the club in a swinger's action. The right hand doesn't apply push-pressure drive via PP#3 in a swinger's action.

By the way, we are presumably talking about a swinger's action because there is no centrifugal pull in play in a hitter's action.

Yoda will independently decide whether he wants to expand on his post - per my request.

Jeff.

Last edited by Jeff : 12-21-2008 at 11:52 PM. Reason: add additional comment in response to Yoda's modified post.