Sorry for being such a pain in the ass. But I can't help it.
Power Package Delivery Paths are Straight-Line, Angled-Line and Circular. None of these claims that the Hands travel in a perfect Circle when facing the Golfer. That’s not the purpose of the Power Package Delivery Paths.
Nesbits research does not measure TGM’s Circular Delivery Path. Non-Pivot Strokes, No Axis Tilt, Chip and Pitch Shots (Soft Strokes).
Nesbits research is limited to the Straight Line Delivery Path. No Plane Shift from Top to Impact. Therefore, no one who shifts back to an Elbow Plane for Release is included in his study.
Quote:
7-23 POWER PACKAGE DELIVERY PATH The three possible paths of the Hands down the Inclined Plane (10-23) are the Basic Delivery Procedures and the Delivery Line Equivalents (2-J-3) must comply with them. Per 2-F, the LINE Delivery Paths are “Cross Line” procedures and the CIRCLE Delivery Path is “On Line” in their relation to the geometric Plane Line. For a Circle “Equivalent:, the Hands sense (5-0) an flat gyroscopic circular “orbit” path from Takeaway (8-4) to The Top (8-6) AND BACK AGAIN. So the player envisions – is consciously aware of – a turning wheel RIM motion of the Hands, Clubshaft and Clubhead toward and on through the Ball. For a Line “Equivalent”, the Hands from Takeaway to The Top AND BACK AGAIN, sense the Clubshaft as a wheel SPOKE tracing a straight line extension of the selected Delivery Path. So the player envisions – is consciously aware of – a straight line wheel TRACK motion (rather than its rotation) toward and on through the Ball.
Normally, Delivery “THRUST” is “Cross Line” – Delivery “MOTION” is “On Line”. Even at Low Point, because Delivery Path Angle (direction) is ALWAYS the alternate Target Line (7-2-3) even with Circle Delivery Path (1-L-9, 1-L-10). Study 7-11 and 7-19.
The Straight Line Path is a simpler procedure than the Angled Line Path. But the latter is very natural movement and has the advantage of the true Elbow Plane through Impact. The former can have a steeper-than-normal Elbow Plane compensated with a reaching-out of the arms and a shifting of the Left Hand Grip that places the Clubshaft in the Cup of the Hand instead of under the heel of the Hand, and the Right Hand Grip adjusted to correspond. The sharpness of the arcs at either end of “Line” Paths determines how much of that “Line” can remain and how much the change from Linear Speed (Downstroke) to Angular Speed (Release) will increase Clubhead Speed without changing Hand Speed – the “Endless Belt Effect” of #3 Accumulator per 2-K#6 and 6-B-3-B.
The Circle Path of the Hands is mandatory for all Non-Pivot Strokes (6-L-0) whether Hitting or Swinging (7-19). The “Axis Tilt” (2-H) allows Line Delivery Path but does not require it.
Therefore, Circle Delivery Path is for Non-Pivot Strokes, Angled Path is for Pivot Controlled Hands (Plane Shifts-focus on Rotation) and Straight Line Delivery Paths (Focus on wheel track) are for Hands Controlled Pivots where the Hands travel on the Selected Plane from Top to Impact.
Furthermore, he admits that his findings do not include measuring the differences in Force (Centrifugal) between Sweep and Snap Release of the Power Package. He never intended to measure CF or Right Arm Thrust.
Furthermore, all modeling was limited to Zero Roll and Turn of the Clubface.
The Purpose of his Study was to examine the Path of the Hands to determine if they moved in a Circle or Not when facing the Golfer.
He blasts the Double Pendulum Model as we all have. The Double Pendulum Model assumes a Perfect Circle Path of the Hands on Full Strokes. Computer modeling using the Double Pendulum is inherently flawed.
The Hands don’t travel in a Circle during Full Strokes. We already knew that. Nesbit believes that his Computer Modeling is Superior to other Computer Models, which assume that the Hands Travel in a Circle. Nesbits is the first Computer Modeling, of a portion of the Golf Swing, that includes Hands moving in a path other than a Circle. If someone would teach Nesbit about the "Endless Belt" effect then he may be able to improve his Computer Model.
Is that a Big deal? Not for Golfers. It is a huge deal for Computer Modelers like Nesbit. It may only take fifty years, when modeling can include all of the Bio-mechanics and Golf Swing Theory, including various Procedures.
Golfers looking for the Long Ball are reading into this research more than whats there. We all know that a 7 iron can be played from 1 to 180 yards. If you want 185, take a 6 iron and swing at 80%.
I don't know . . . . this dude is on to something . . . . As I think Homer was in the earlier editions. I still believe that hand path is the deal. I think some of this can be found in the evolution or maybe "de-evolution" of Mr. Kelley's thoughts on the elbow plane.
10-6-A Elbow Plane FIRST AND SECOND EDITION
The location of the Elbow during Impact is the reference point used for this Plane Angle. This alignment not only allows the Right Forearm to move On Plane through the Impact but also allows the torso to be position at right angles to the Plane - which are the unexcelled alginments for Right Arm Power and Control.
Remember-the Right Forearm cannot become "On Plane" until the Right Elbow becomes "On Plane".
10-6-A Elbow Plane THIRD EDITION
Where the Right Elbow touches the waist is the reference point used for this Plane Angle. It is the "flattest" normal Plane that will still allow the Right Forearm to be On Plane during Impact. This means that normally the Right Forearm will be moving at right angles to the torso - which are the unexcelled alignments for Right Forearm Power and Control.
10-6-A Elbow Plane FOURTH AND FIFTH EDITIONS
Where the Right Elbow touches the waist is the reference point used for this Plane Angle. It is the "flattest" normal Plane that will still allow the Right Forearm to be On Plane during Impact. This means that normally the Right Forearm will be moving at right angles to the torso - which are the unexcelled alignments for Right Arm Power (6-B-1-0) and On Plane "Throw Out" action (2-K).
10-6-A Elbow Plane SIXTH AND SEVENTH EDITIONS
Where the Right Elbow touches the waist is the reference point used for this Plane Angle. It is the “flattest” normal Plane that will still allow the Right Forearm to be On Plane during Impact. This should produce a very flat Angle of Attack (2-B) with reduced Backspin and should be avoided for Short Shots unless it is also part of your Full Stroke Pattern. The Elbow Plane allows maximum #3 Accumulator requiring earlier Release per 6-N-0. This procedure is executed by the Right Forearm per 7-3 and 10-6-B and Elbow Location per 6-B-3-0-1.
I think it's interesting that some of the "unexcelled" alignments for Right Forearm power got yanked. I think he had it. I'm not physics guy but it seems to me that you get the most effective motion when something is moving at right angles to the axis of rotation. Now we've certainly established that the hands don't move in a straight line or in a true circle. But I think there is an optimum hand path (maybe optimum for the type of shot as well). Homer was on to this for sure. Not sure why he let it go. But I think the colored statements in the 1st thru the 5th are very interesting. For some reason these were "deconstructed" in the 6th (who knows what would have made it in the 7th).
So check these out on their own . . . .
also allows the torso to be position at right angles to the Plane - which are the unexcelled alginments for Right Arm Power and Control.
This means that normally the Right Forearm will be moving at right angles to the torso - which are the unexcelled alignments for Right Forearm Power and Control
This means that normally the Right Forearm will be moving at right angles to the torso - which are the unexcelled alignments for Right Arm Power (6-B-1-0) and On Plane "Throw Out" action (2-K).
The Elbow Plane allows maximum #3 Accumulator requiring earlier Release per 6-N-0. This procedure is executed by the Right Forearm per 7-3 and 10-6-B and Elbow Location per 6-B-3-0-1
I think there's a lot to be learned from the above. We can certainly has them out and I think they work well with what No-Mind has submitted here. May not be exactly the same deal . . . but close I think.
If you look at most of the pros . . . I'd submit that the vast majority of the pros end up on the elbow plane thru the ball. They may do some dynamic shifting before and afterward (which effects all the vectors of face and path) . . . but for power and precision these cats are on the Elbow-Plane. Why? I believe that it produces the hand path that produces the best mechanical advantage.
Another thing to D's point about Straight Line Delivery . . . . I think an important thing to remember is . . . that is a CONCEPT . . . not what actually happens. The actual amount of what could be even considered Straight Line Delivery is not very long on the arc. I think the Straight Line Delivery concept can no doubt help TONS of golfers . . . to a point. But if you over cook that you can get off Plane quickly . . . .the hands have to go back up and in On Plane . . . it may suprise some how early the hands start working back IN in order for the club to continue down and out On Plane. You can get tons of right vector if you have your hands traveling "out" off Plane late in the downswing.
TGM "Straight Line Power Package Delivery Path" are Hands Delivered on a Single Plane (no Plane Shift). This is the Wheel Track HK talks about. Face on, it's not a Straight Line, but Down the Line it is a Straight Line. In years past there has been confusion about this.
In Editions 1-5, HK is referring to Hitting Patterns and his comments remain as true today as they did back then. In the Sixth Edition he added "Throw-Out" for Swingers, but with a Warning about the occurrence of an earlier Release.
A Turned Shoulder Plane Locates the Right Elbow On-Plane and Closer to The Belt Buckle. This Geometry also includes a Right Forearm at 90 degrees to the Torso at Release.
Shoulders are more open at Impact for Flatter Swing Planes than Steeper ones because more Pivot Rotation is needed to locate and Keep the Right Elbow On-Plane for Impact (the Right Elbow needs more Pivot Rotation to locate it closer to the Ball when using the Elbow Plane while Swinging)
TGM "Straight Line Power Package Delivery Path" are Hands Delivered on a Single Plane (no Plane Shift). This is the Wheel Track HK talks about. Face on, it's not a Straight Line, but Down the Line it is a Straight Line. In years past there has been confusion about this.
If that is the case then why does Homer illustrate the concept with the face on caddie view? I think this is simply his concept. Don't think your right on this . . . not the procedure just illustrating the concept.
In Editions 1-5, HK is referring to Hitting Patterns and his comments remain as true today as they did back then.
Huh? What evidence do you have to support that?
In the Sixth Edition he added "Throw-Out" for Swingers, but with a Warning about the occurrence of an earlier Release.
Earlier release isn't something that should be warned about . . . . the Elbow Plane has more #3 angle and thus is more #3 dependent in it's release motion requirements. Nothing to get spooked about . . . . just how it works for the On-Plane requirements. The TSP is more #2 Dependent.
A Turned Shoulder Plane Locates the Right Elbow On-Plane and Closer to The Belt Buckle. This Geometry also includes a Right Forearm at 90 degrees to the Torso at Release.
Where's your evidence for this?
Shoulders are more open at Impact for Flatter Swing Planes than Steeper ones because more Pivot Rotation is needed to locate and Keep the Right Elbow On-Plane for Impact (the Right Elbow needs more Pivot Rotation to locate it closer to the Ball when using the Elbow Plane while Swinging)
Daryl: TGM "Straight Line Power Package Delivery Path" are Hands Delivered on a Single Plane (no Plane Shift). This is the Wheel Track HK talks about. Face on, it's not a Straight Line, but Down the Line it is a Straight Line. In years past there has been confusion about this.
Bucket: If that is the case then why does Homer illustrate the concept with the face on caddie view? I think this is simply his concept. Don't think your right on this . . . not the procedure just illustrating the concept.
Daryl: Delivery Paths are three Dimensional. In a Straight Line Power Package Delivery Path, the Down and Out occurs on a Single Plane. The Forward is an attempted Straight Line by synchronizing the Shoulder Turn with the Downstroke of the Power Package. The Arc at the Top occurs because the Power Package and Shoulder Turn Occur simultaneously. As the Power Package Accelerates and the Hands move faster than the Shoulders, a Straight Line Path is theoretically possible. The Arc at the Bottom occurs because the Hands can't travel any lower than their Length allows and will appear to Flatten out at Release. The Picture 10-23-C is taken from a angle. It was HK's intent that The Bottom Arc would occur when the Hands reach the Line of Sight to the Ball. All of this amounts to a "Turned Shoulder Plane, Straight Line Delivery Path and Right Elbow Closer to the Belt Buckle".
Daryl: TGM "Straight Line Power Package Delivery Path" are Hands Delivered on a Single Plane (no Plane Shift). This is the Wheel Track HK talks about. Face on, it's not a Straight Line, but Down the Line it is a Straight Line. In years past there has been confusion about this.
Bucket: If that is the case then why does Homer illustrate the concept with the face on caddie view? I think this is simply his concept. Don't think your right on this . . . not the procedure just illustrating the concept.
Daryl: Delivery Paths are three Dimensional. In a Straight Line Power Package Delivery Path, the Down and Out occurs on a Single Plane. The Forward is an attempted Straight Line by synchronizing the Shoulder Turn with the Downstroke of the Power Package. The Arc at the Top occurs because the Power Package and Shoulder Turn Occur simultaneously. As the Power Package Accelerates and the Hands move faster than the Shoulders, a Straight Line Path is theoretically possible. The Arc at the Bottom occurs because the Hands can't travel any lower than their Length allows and will appear to Flatten out at Release. The Picture 10-23-C is taken from a angle. It was HK's intent that The Bottom Arc would occur when the Hands reach the Line of Sight to the Ball. All of this amounts to a "Turned Shoulder Plane, Straight Line Delivery Path and Right Elbow Closer to the Belt Buckle".
Don't know about all that boss . . . . regardless . . . . it's all about handpath and laying the club on the plane . . . . see Sergio and other "throwaway artists" for an illustration.
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