Post by nmgolfer on Dec 21, 2010 20:38:45 GMT -5
So...you're saying line compression in TGM parlance as nothing to do with th so-called heavy hit, which is what mandrin was arguing against and is something completely different then what "line of compression" means in impact physics.
Is 'heavy hit' a nice 'swing thought' or something believed to be feasible by you book literalists?
BTW line of compression is physics (real physics not the pseudoscience that is Homer's folly) is defined as line normal (than means 90degrees) to the two surfaces at impact. Its complete different than the collision path. Best to see a picture
Line of Compression:
Why get all scientific about it? Anytime two objects collide a "Line of Compression" occurs. A mishit has a Line of Compression. Line of Compression is the "Clubhead Path" during the Impact Interval. Simple.
Production and Manipulation:
We produce the Line when we hit the Ball with the Clubface. What is Manipulation? Shut the Clubface and Hit the Ball. Open the Clubface and Hit the Ball. Hood the Clubface and Hit the Ball. Do all of those WITHOUT Hand Manipulation through the Impact Interval. I mean, don't twist your hands when striking the ball. Let the Clubhead follow a perfect path through the Ball whatever it is. Manipulation is how your set-up affects the Clubhead Path and Clubface Angle. (Sounds a lot like "D Plane")
Sustain the Line of Compression:
If your Clubface is 1/100 degree open when the ball was struck and the line of compression (Path) was 1/100 degree to the right of the center of the Ball at Impact (inside-out), but at separation the Clubface was square because it closed 1/100 of a degree through the Impact Interval, did the Line of Compression produced at Impact stay 1/100 degree to the right, or did it rotate with the clubface through Impact?
If the LOC rotated with the Clubface then you "Sustained the Line of Compression". It makes no difference where the clubface was pointing at Impact regarding being able to sustain the Line of Compression. It only matters if the Line of Compression rotated with it.
To use this while playing golf, you generally Place the front of the ball at Low Point at Address. Playing the Ball 2 inches back would require more clubface closing rotation than the radius of the swing can provide so you won't be able to Sustain the Line of Compression (you'll have a Glancing Blow) unless you close the clubface an equally exact amount by rotating the shaft in your grip before your swing. Trial and error.
Principles / applications
The meanings are simple but Homer didn't explain anything. He didn't forget to, he didn't want to. He wanted the instructor to demonstrate. He didn't want a "How to" book.
ALL of the Principles and Concepts in TGM are as simple as I've described above.
Anyone that's going to play the ball more than 1 or 2" back of Low Point will not sustain the line of compression. You may if you hit a Pull or a Push shot but not if you want the ball to go straight to the target. People have been trying for years with the ball back in their stance and have failed and say it can't be done. Well, it can't with the ball played back in your stance.
Is 'heavy hit' a nice 'swing thought' or something believed to be feasible by you book literalists?
BTW line of compression is physics (real physics not the pseudoscience that is Homer's folly) is defined as line normal (than means 90degrees) to the two surfaces at impact. Its complete different than the collision path. Best to see a picture
I usually say that people, even the best of them, misunderstand some of TGM.
Line of Compression:
Why get all scientific about it? Anytime two objects collide a "Line of Compression" occurs. A mishit has a Line of Compression. Line of Compression is the "Clubhead Path" during the Impact Interval. Simple.
Production and Manipulation:
We produce the Line when we hit the Ball with the Clubface. What is Manipulation? Shut the Clubface and Hit the Ball. Open the Clubface and Hit the Ball. Hood the Clubface and Hit the Ball. Do all of those WITHOUT Hand Manipulation through the Impact Interval. I mean, don't twist your hands when striking the ball. Let the Clubhead follow a perfect path through the Ball whatever it is. Manipulation is how your set-up affects the Clubhead Path and Clubface Angle. (Sounds a lot like "D Plane")
Sustain the Line of Compression:
If your Clubface is 1/100 degree open when the ball was struck and the line of compression (Path) was 1/100 degree to the right of the center of the Ball at Impact (inside-out), but at separation the Clubface was square because it closed 1/100 of a degree through the Impact Interval, did the Line of Compression produced at Impact stay 1/100 degree to the right, or did it rotate with the clubface through Impact?
If the LOC rotated with the Clubface then you "Sustained the Line of Compression". It makes no difference where the clubface was pointing at Impact regarding being able to sustain the Line of Compression. It only matters if the Line of Compression rotated with it.
To use this while playing golf, you generally Place the front of the ball at Low Point at Address. Playing the Ball 2 inches back would require more clubface closing rotation than the radius of the swing can provide so you won't be able to Sustain the Line of Compression (you'll have a Glancing Blow) unless you close the clubface an equally exact amount by rotating the shaft in your grip before your swing. Trial and error.
Principles / applications
The meanings are simple but Homer didn't explain anything. He didn't forget to, he didn't want to. He wanted the instructor to demonstrate. He didn't want a "How to" book.
ALL of the Principles and Concepts in TGM are as simple as I've described above.
Principles are simple – their applications get complicated. The Principle of Golf is the “Line of Compression.” The Mechanics of Golf is the production and manipulation of the “Line of Compression.” Precision is recognizing and reconciling minute differentiations.
Anyone that's going to play the ball more than 1 or 2" back of Low Point will not sustain the line of compression. You may if you hit a Pull or a Push shot but not if you want the ball to go straight to the target. People have been trying for years with the ball back in their stance and have failed and say it can't be done. Well, it can't with the ball played back in your stance.