[lagster]

Originally Posted by Mike O

Now the real question is- if on the longer shots the face closes enough while the ball is on the face- to make alterations in the amount the clubface is open at impact fix for horizontal hinging, then how long of a distance is the ball traveling on the clubface/clubhead? And how does that integrate with the Golfing Machine concept that the ball always leaves at right angles to the clubface- i.e. that the return flow is so fast that the ball doesn't ride on the clubhead/face long enough for the down and out vector of the clubhead to influence the initial direction of the ball? Mike O.

So ball doesn't always leave perpendicular to clubface, especially when the impact interval is long?

For a putter, as long as you have a square clubface, it doesn't matter how much inside-out or outside-in the clubhead path is, the ball will still go along the target line.

But for a driver, because of greater compression, it's not the same? Please explain in more detail Mike...

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MikeO will probably answer, but here is my take.

To produce a straight shot with a centrifugal force type stroke, using HORIZONTAL HINGING... the ball is first contacted slightly before LOW POINT with a slightly OPEN CLUBFACE on the INSIDE QUADRANT of the ball. The ball stays on the face for a brief interval, then comes off square at separation.

With PUTTING... since aerodynamics is not really a factor, and because the ball compresses very little, the ball should be struck with a square face. The ball will still roll straight , as long as the ball takes off on the intended line. In theory, any sidespin imparted in putting, will take off a little force, but will not influence the direction. Some putting experts will undoubtedly disagree with this last part!