[airair]

http://www.lynnblakegolf.com/forum/thread5904.html


First, another Golfing Machine 'Hats off!' to Martee for his fine photos. Working only with Yoda's fax doodlings and telephone descriptions, he is making it possible for us to all be on the same page. Thank you, Martee!

Now down to business:

The Clubface can make only three motions through Impact -- Hood, Close and Layback (2-G). Hooding the Clubface means to reduce its normal loft angle, and since that effect can be achieved merely by selecting a lower Club number -- a six iron, for example, instead of a seven --it normally has limited usefulness. Except, of course for 'bragging rights' in the Men's Grill about that (Hooded) eight iron you muscled 170 yards into the 18th, instead of smoothing a six (with its true loft). Or, for true usefulness, to produce an above center Impact with the Putter and thus produce an Overspin (2-C-4 #2) as opposed to a No Spin (2-C-4 #1) or a Backspin(2-C-4 #3).

That leaves us with the two basic Clubface motions of Close Only and Layback Only. We have already discussed the Close Only motion that is produced by the Horizontal Hinge with its hinge pin and blade positioned vertical to the horizontal plane. Now we will discuss the Layback Only Motion of the Vertical Hinge.


The Vertical Hinge

Clubface Layback is produced when you position the hinge pin vertical to any plane other than the Horizontal. However, there is only one Plane of Motion in which there is only Layback, i.e., zero Closing. And that Plane of Motion is the Vertical Plane. To produce that purely Vertical Motion, you need only to install the pin vertical to the Vertical Plane. Then, the Hinge Blade and its Motion will remain Vertical to the Vertical Plane.

Just as there is only one Horizontal Hinge -- hey, we're getting pretty comfortable with the terminology here, aren't we! -- there is only one Vertical Hinge. As illustrated below, this Hinge produces an unmistakable 'Layback Only' Motion of the Clubface. Just as the Horizontal Hinge had zero Layback, the Vertical Hinge has zero Closing. Position the pin of your hinge apparatus vertical to a Vertical Plane and watch the Clubface only Lay Back as you rotate your model Club through 'Impact.'


Vertical Hinge Assembly
Hinge Pin Vertical to a Vertical Plane


Vertical Hinge
Top


Vertical Hinge
Impact Motion: Square to Square


Vertical Hinge
Follow-Through

The Angled Hinge

The Angled Hinge has its pin positioned vertical to any Plane lying between the two absolutes of the Horizontal and the Vertical. Therefore, it can be considered a hybrid whose Motion reflects the characteristics of both the Horizontal and the Vertical Hinge Motions, i.e., a composite Motion of simultaneous Close and Layback. Position the pin of your hinge apparatus vertical to an Angled Plane, and watch the Clubface simultaneously 'Close and Lay Back' as you rotate your model club through 'Impact.'


Angled Hinge Assembly
Hinge Pin Vertical to an Angled Plane


Angled Hinge
Top


Angled Hinge
Impact Motion: Simultaneous 'Close and Layback'


Angled Hinge
Follow-Through

One Motion on Three Planes

Now that we've got a handle on the Three Types of Hinge Action and the Motion each produces, let us reflect a bit.

No matter which Plane defines the Motion, the Action of the Hinge -- the Hinge Action -- remains identical. Recall from Lesson One:

1. The Hinge Pin is Vertical to the PlaneSurface.
2. The Blade moves in a circle around its Pin.
3. The Blade remains Vertical to its Plane of Motion.


So, the only thing that differentiates one Hinge Action from another is the Plane of Motion.

Read that sentence again.

Thank you.

And, we now know that we control that Plane of Motion by positioning the Hinge Pin vertical to one of Three Basic Planes. In so doing, we automatically produce a corresponding Clubface Motion:

1. Horizontal Hinge and Plane of Motion(Closing Clubface Only).
2. Vertical Hinge and Plane of Motion (Laying Back Clubface Only).
3. Angled Hinge and Plane of Motion (Simultaneous Closing and Laying Back Clubface).


You now know the scientific and mechanical basis of precision Clubface Impact Alignments. The concepts you have learned do not exist outside the privileged world that is The Golfing Machine. And because you now know the precise mechanics, it will be possible to Translate them into describable sensations (1-J) -- Feels that are describable to and by the individual player. And that player, my friend … is You!

Our next step is to learn how to use your Flat and Vertical Left Wrist to replicate the Mechanical Motion of each of the Three Hinge Actions.

The goal is to convert our carefully developed G.O.L.F. Engineering System into your eagerly awaiting G.O.L.F. Feel System. When that happens, you will have gained total control of the Clubface for the rest of your life.

See you next time.


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I see the pictures don't show up. Maybe they can be put in there by adm.?