centered?
 

Lynn,
You may be correct but since I can't see it, can you clarify what you're saying? In addition, per your post - assuming that the clubhead motion is constant- i.e geometry of the circle and on-plane, then we have two different clubface motions, both centered to the same clubhead motion. I'll need some help with your perspective.
Thanks,
Mike O.

PRESSURE POINTS
 

The pressure points in the hands ideally line up along the LONGITUDINAL CENTER OF GRAVITY line... along the handle of the club.

The Picture Worth One Thousand Words
 

To Tongzilla's question: Again, there is no center. Hence, it cannot move.

To Mike O's: This is one of the most difficult concepts in TGM. I could write paragraphs and still not have the message received. There must be an illustration...to communicate the words Homer gave me. I'll contact Mathew and interact with his creative skills. Stay tuned! :D

I'm looking forward to seeing your perspective. Mathew's work is always well done.

I supposed I can imagine that a 'perfect' angled hinge would have no center of clubFACE rotation, because it has no on plane rotation. The 'closing' is keeping a constant relationship to the other parts and is a 'relative' closing only (to the swing center/plane line).

By definition, any motion between pure horizontal and pure vertical is angled hinging. I believe that it is by far the most common hinge action. Even for those that think they are using one or the other.

Bagger

Yes, but the only case where there really would be 'no' center of clubFACE rotation in an angled hinge would be exactly at the mid point between horizontal, and verticle - the coin standing on edge.

The flatter the plane angle, the closer to horizontal hinge, the more upright, the closer to verticle hinge.

Hmmm....I wonder if that's really true.

According to Yoda, there is no center for Angled Hinging clubface motion -- end of story. Nothing about a midpoint Angled Hinge.

Interesting :roll:

We'll all have to wait for Yoda/Matthew's illustration for further clarification!

Still No Center For Angled Hinging
 

The essence of the situation is that with Horizontal Hinging, the Clubface is always only Closing as the Clubhead moves around its center. With Vertical Hinging, it is always only Laying Back. Hence, with Horizontal and Vertical Hinging, the two functions of the Club -- Head and Face -- can be synchronized around a single Center.

However, with Angled Hinging, the Clubface is simultaneously Closing and Laying Back. And the problem is that the Motion is not uniform. That is, there is no consistent relationship between the distance the clubhead moves forward and the degree the Clubface lays back (as it tries every split second to remain vertical to the Inclined Plane of Motion). Hence, the aggregate Motion has no center.

If all this is a bit much -- and it probably is -- just take what you can, throw the rest into your Incubator and come back later. Some things take time to 'see', and this is one of them. Homer Kelley came face-to-face with this illusive concept when he went looking for Angled Hinging's Center and couldn't find it. He ultimately solved the problem, but it took some doing. As he related to our January 1982 Masters Class:

"It has none. I had to build a model to find that out."

Different perspectives produce different concepts. I view the hinge action as being based on more of a universal joint/ball bearing type hinge.

Re: Questions I have....
 

The hosel rotates around the sweetspot, so does PP#3 do the rotating?

Spent the afternoon chipping, doing my chip, pitch, and punch drills through the set of clubs, ala Ben Doyle and felt a strong pp3 rotating the sweet spot. Succesfully I might add.