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Originally Posted by Rumbler
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Page 10 and 11.
It seems the whole book is about defining the map on page 10.
I'm a terrible map reader. I have to be pointing in the same direction as the orientation of the map or I will remain lost.
Page 11.
1. understand
2. understand
3. understand concept but where is the grip represented in the map
4. Nothing in the map defines hinge assembly, I would guess it is any moving part which would be the hinge pins, but without being certain I am lost.
5. understand
6. understand
7. Where and what is the lever assembly, it certainly is not defined in the map. I would guess it is the hand connection but two guesses now makes for disaster.
8. I must be looking at the wrong map!
9. still tied to number 7
10. ditto
11. Longitudinal gravity? Is that a side to side front to back pulling?
12. understand
13. understand
14. understand
15. understand
16. understand
17. understand
18. in map plane line appears to be parallel to angle because of club lie, why is it even an issue?
19. understand
20. in other words, the plane line stance line and flight line?
21. understand
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Rumbler,
You have described Sketch 1-L -- The Golfing Machine -- as the "Map" to TGM. Taken with its 21 explanatory axioms, I agree wholeheartedly. Remember though, per the caption in 1-L, the Sketch is designed to "show how the Geometry and Physics of Force and Motion can be coordinated in any Stroke Pattern for maximum efficiency -- not how it should look or feel. This last is very important, because it is apparent you wish the Sketch to relate directly to human body parts. Except as part of an overall conceptual framework, that's not really what it is designed to do, as you will see as I answer your questions.
Your questions in order:
3. understand concept but where is the grip represented in the map?
The concept is "no wobble in the clubshaft attachment (Grip)." Where there is no Grip there can be no wobble. You could say that the one-piece lever represents the Left Arm and Club (including the Grip).
4. Nothing in the map defines hinge assembly, I would guess it is any moving part which would be the hinge pins, but without being certain I am lost.
The Hinge Assembly is mounted on the Post. It consists of the mounting, the blade and the hinge pin. The mounting of the pin controls the plane of motion of the blade, which in turn controls the Plane of Motion of anything attached to it (such as a Clubface).
7. Where and what is the lever assembly, it certainly is not defined in the map. I would guess it is the hand connection but two guesses now makes for disaster.
The Lever Assembly is the wooded 'Golf Club.' In this instance, it is one solid piece, so there is no 'Assembly,' only the Primary Lever.
8. I must be looking at the wrong map!
1-L #8 says that no portion of the Lever Assembly -- in human terms, the Left Arm and Club -- can swing forward independently. In other words, the Club should not pass the In Line condition with the Left Arm until after separation. Well, the 'board Club' is all one piece, so there is nothing to 'swing forward independently.' The entire Lever goes through as one piece, just as the golfer's Lft Arm and Club should do.
9. still tied to number 7.
As does the blade of the hinge, the Lever (Left Arm and Club) moves about the hinge pin in a circle. The one piece Lever attached to a swinging hinge blade cannot move in a straight line (Steering). Instead, it can only move in a circle.
10. ditto
As the Lever moves Down Plane, it can only move toward the Plane Line. The Geometry of the On Plane alignment controls the Physics of the Force. That's the way The Machine works and is what makes it efficient.
11. Longitudinal gravity? Is that a side to side front to back pulling?
It's the Center of Gravity of the Golf Club when suspended Longetudinally (lengthwise). Hang a Club lengthwise and drop a plumb bob from the top of the grip: The line will fall directly through this 'longitudinal center.'
18. in map plane line appears to be parallel to angle because of club lie, why is it even an issue?
The Machine is on a fixed Plane. Human often vary their Planes...most often unintentionally. And that, to a large extent, is okay (as long as you don't "bend" the Baseline).
20. in other words, the plane line stance line and flight line?
1-L #20 states that "For any given Line of Compression through the Ball, every Machine must produced identical Impact alignments." This does not refer to the "normally parallel" lines (Plane, Stance and Target) of 1-L #19. Instead, it refers to the Line of Compressing Force produced at Impact and the Plane Line and Clubface alignment necessary to construct that Line.
Linear Mode
