Remember, Martee, don't confuse the Clubshaft's Impact Plane Line with the Sweetspot's Impact Plane Line. These are quite different!
I sense you are about to have a major "Aha!" moment.
Actually for 15 months I have on and off worked on one problem. I understood from you your descriptions of these lines.
We had a short discussion regarding Clubshaft's Plane and the Sweetspot's Impact Line. Reference Diag 1-L and 2-C-1#1.
I made the statement that the sweetspot plane will always be flatter (smaller angle) than the clubshaft plane line (the inclined plane). You told me that I still hadn't grasped it or something to that effect.
Along with this quest of mine is to accurately define the sweetspot plane and clarification of what is meant it goes throug PP#3. The Longitudal center of gravity, the line as Homer references is quite valid, but the description that it runs through PP#3 is incidental when stated it must be the aft of the shaft.
Sorry off topic.
Clearly looking at 2-C-1#1 you can see that sweetspot plane must be by defintion flatter.
The order I gave the lines in stands and is supported by Homer's definitions (10-5 and 2-C-1#1).
Part of where I am going with my quest is to validate the Full Plane Board. For a shaft to ride the surface, the Inclined Plane and the fact that the Sweetspot plane is flatter gives me a fuzzy picture.
The Impact Line and Low Point Line do reside on the plane, the sweetspot plane. Anytime the ball is not at the Low Point, then these two line when projected on the surface will have separation (a visual thing) and the amount of separation is a function of the ball distance from low point. The further back the ball is the wider the lines appear. Thus my statement regarding tracing it may not be adviseable until the forearm move is mastered using the Impact Line.
Given a square stance, the inclined plane line is parallel to the Impact line, to the inside and created by a different angle. The distance they are separated is determined by the distance between the hosel and sweetspot.
One of my questions I am chasing is that to draw lines on photos and then attempt to use the clubshaft in reference to the lines seems to be misleading since unelss you are looking face on to the club (facing the toe and looking back to the shaft) you will not be monitoring the sweetspot plane/angle.
Don't know if all this makes sense to you, I am still working on the details to get diagrams to validate. This includes Homers quick test for being on plane (parallel to the line or low end pointing to it and the low end needs to be the sweetspot or sweetspot line extension, I think)
I could go into more depth, but this is already probably too much at this time.
But the concept of tracing the sweetspot plane line makes 100% more cents than tracing the plane line.
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