What are your thoughts on the ball moving downward as depicted in the 2-c-* drawings?
No doubt about it. I have measured Impact Photo's that show the Ball moving Downward with the Clubface. Keep in mind that for a drive it may only be 1/64" or less, or 1/32" or less if the ball is played back a few inches from low point. I'll look for a High Speed Photo of a well struck Wedge with the Ball played 6" aft of Low Point.
It looks like, when the Clubface strikes the Ball, the inclined striker will move the Impact Point into the Separation Point as long as the Clubhead is traveling the Angle of Approach. 3 dimension impact needs a "Flat Left Wrist".
How does this information mesh with leaving the face at practically 90 degrees?
Seems as if they are opposite.
One going down and one going up.
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The direction of the ball will be the resultant of the Vectors of the forces acting on the ball, unless all the forces can be focused on one line (2-C-1 #3). The direction control would be stabilized and in addition, the ball would be propelled by the sum of the forces acting on it, instead of the much smaller Resultant Force of scattered Vectors.
The Rebound Direction is at 90 degrees to the Line of Compression. The Resultant Force is a combination of Line of Compression and Rebound Direction. The Initial Line of Flight will be along the Resultant Force.
But, The Rebound Vectors will be scattered unless the Line of Compression is focused on one line. So, The LINE OF FLIGHT (Resultant Force) depends on the "Quality of Compression" (new Daryl Term). That's one reason.
Another reason why the Line of Flight "Won't become at Right Angles to the Clubface" is Ball Location. There is only one Ball Location that can produce a Line of Flight at Right Angles to the Clubface.
The following is another reason:
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The law of “Equal and Opposite Reaction” (2-L #3) also means that the flatter the Clubface angle (high numbers) the less the Clubhead will be slowed by Impact forces but the more it will be driven toward the ground (divot) and vice versa with the steeper Clubface (low numbers).
There are more reasons why the Ball won't leave the Clubface at 90 degrees:
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2-D-1 MAJOR DIRECTIONAL FACTORS listed below (with references numbers) occur with unintentional or uncompensated changes in Component Variation or execution form Pattern (12-1, 12-2) or Address (3-F-5) configuration. Use 12-3.
1. Power Package Component Action (6-H)
2. Pivot component Action (7-3, 7-13, 7-16)
3. Power Package Component Position (7-
4. Pivot Component Position (7-12)
5. Plane Line Direction (10-5)
6. Bent Plane Line (4-D)
7. Angle of Approach (2-J-3)
8. Address Position Impact (7-
9. Off-Center Impact (2-F)
10. Lob Shot Impact (2-C-3)
11. Lag Pressure Point (7-11)
12. Clubhead Throwaway (6-D)
13. Tilted Clubface (2-D)
14. Plane Angle (2-N)
15. Ball Location (2-N)
16. Aiming Point (6-E-2)
17. Clubhead Speed (7-10)
18. Club Number (2-J-1)
19. Timing (6-F)
20. Grip Type (7-2)
21. Wrist Roll (2-G)
22. Steering (3-F-7-A)
23. Quitting (3-F-7-B)
24. Bobbing (3-F-7-C)
25. Swaying (3-F-7-D)
26. Rhythm (7-10)
So,"Practically at Right Angles" is a pretty good Term, especially because we know when and why and where and How it won't be.
Lastly. Club makers move the Center of Gravity around like it's a tool to make the average player get the ball into the air. This really screws with the Line of Compression when the center of gravity of the Clubhead is down near the sole of the club. Look at the Illustration in the previous Post with the Clubhead at Impact. Ideally, the Center of Gravity of the Clubhead will be on the same Angle of Approach at the moment of Impact and remain on the Angle of Approach through Separation and Low-Point.
I'll start with a simple tip - "pre-drilling". For any ball that you tee up- at impact as the compressed ball flows out in all directions - it will push the tee further into the ground - therefore when teeing the ball - always insert the tee an extra distance into the ground and then pull it back out some distance before striking the shot - this way you are not wasting energy while the compressed ball pushes the tee further into the ground - or worse yet - having the ball flow around the tee if the tee was immovable.
Secondly,
The ball leaves the clubface at practically 90 degrees to the face. That doesn't mean that it flies where the face is pointing. Becuase it travels along with the clubhead and picks up that force vector - the actual flight of the ball is somewhere between the face and the clubhead path. Throw a ball 10 miles an hour off a train at "practically" right angles - for this example let's just say "exactly" at right angles to the track and if the train is moving 10 mph down the track - does the ball fly in a direction 90 degrees to the track - NO.
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When the questions don't get answered, that's when I start to wonder why didn't it get answered.
Did I ask a bad question?
Was my question specious as Lynn has stated?
Have I not researched enough to merit a question of this magnitude?
Maybe the questions aren't answerable or proovable and thus require an amount of faith.
John,
With regards to your need for immediate answers . . .
It ain't necessarily about your asking a question that is "bad" or "specious" or even of such "magnitude" that we at Oracle LBG find it "unanswerable" and thus requiring a leap of 'faith" into our purple Kool-Aid (a metaphor preening others have found convenient).
There are (at least) two other reasons why readers don't immediately jump through your hoops:
1. They don't know the answer.
2. They know the answer -- or, at least, think they do or feel they can 'add value' and spur the discussion along the way -- but, they don't have the time or the inclination to respond.
Just reading all this. John, re Homers drawings of 2-C.
- they are not to scale. Not even close. The ball is about the size of a tennis ball for instance, vis a vis the club. I assume Homer did this to make the underlying geometry more obvious to the reader. To make the drawings more illustrative.
-the "ideal application" or 2-C-1 represents the ideal of total compression and therefor, per 2-C-0, assumes the point of contact between ball and face stay together, intact "as if welded together" throughout the impact interval. So if impact is prior to low point this mandates that the point of contact will go down plane all the way to it low point position (assuming the clubhead completes its orbit).
-separation is assumed to be at low point, so the shaft will therefor be vertical given a flat left wrist. You could also therefore deduce that Homer assumed a flat left wrist.
-if impact is made prior to low point there will be some shaft lean.
-shots that see the ball roll on the face even if it is solely a result of loft are not examples of "total compression". We golfers know this intuitively.....we dont tee up a driver on a 120 yard par 3 for instance. We choose a more lofted club for its inherent loss of compression. Why did Homer draw a somewhat lofted club in 2-C-1 2A then? I assume for illustrative purposes again. To highlight some of the vectors directions.
See 2-C-0 its an interesting read and concludes with:
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"The Ball leaves the Clubface with a force proportional to the compression produced by Impact. Then the ideal result of the above procedures is maximum compression. But any clubface imprecision during Impact will permit compression to leak away. Lost compression cannot be re-covered. Between the precision Impact of 2-C-1#3 and the total loss of compression in 2-C-3#3 , there can be every degree of Compression Leakage--some intentional (Back Spin) but mostly unintentional. Your main lines of defense are the Flat Left Wrist, Hinge Action and a Three Dimensional Downstroke----that is DOWNward (Attack Angle) AND OUTward (Plane Angle) AND FORward (Approach Angle) per 2-C1#2 A/B. Study 2-H, 2-N and 7-3. "
He then goes on to list Newtons first three laws.
You'll notice a relationship between the drawings of 2-C and Steering. Intentional compression loss vs. unintentional compression loss due to a common conceptual problem.
Can you see these things in slow mo? Id say yes, you can see Steering....guys verticaling a driver say... But impact is violent and distorts all of the parties to it: ball, clubface , clubshaft and clubhead. So you have to look before and after impact to see what going on.
Linear Mode
