I see where you are going, Daryl. The last figure descibes the rotation of the Left Arm Flying Wedge in a horizontal hinging procedure. The LAFW rotates on a plane that is on right angles to the inclined plane.
But it is the on-plane rotation* that is the big deal. The rotation that happens on the inclined plane. The plane the clubhead moves on. That's the plane we have to look at when we consider hand speed and clubhead speed, and RPM vs MPH.
The rotation of the LAFW is just a secondary rotation in the golf stroke. Amongst other things it causes the club to rotate around its own sweeet spot. It is an important enabler for what we want to achieve on the main stage. The RAFW rotation enables us to add club rotation by uncocking (turning) and recocking the Left Wrist (accumulator #2) and by simply turning (accumulator #3). These two releases produces on-plane club rotation without producing on-plane arm rotation. And that's what makes the huge difference between club rotation and left arm rotation in the golf stroke.
* A rotation that is on plane has a rotation axis that goes straight through the plane.
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