I have trouble just delivering the club to a constant impact alignment, should I even entertain the need to use different hinges?
gmbtempe my whole thing with Hinging being irrelevant is that I cant imagine not using it.......so Id say you should do some work on it when chipping and pitching.
When Im watching the guys on tv I see different Hinge Actions .......and the vast majority of these guys dont know about the three basic planes. Maybe this is why some guys struggle with certain shots? Arnie didnt have good flop shot say. I dunno. Although, and Im going from memory here Ill have to take another look at it, didnt Arnies old book sort of describe Hinging for bump and run shots.. what we'd call Horizontal Hinging? Hmmmm or was it Jacks book? I think it was one of Arnies. Got to dig those things out its been years since I looked at them.
Homer didnt invent Hinging ......he only defined its underlying geometry.
Homer didnt invent Hinging ......he only defined its underlying geometry.
I guess you responded this way to prevent an impression that TGM is a particular way of moving the club through impact and I agree that it isn't.
But what Homer did with his hinge analysis is also a massive knowledge invention that deserves to be reckognised. He took a huge leap forward knowledge wise.
Homer created a language and a system that enables us to differentiate and analyse various hinge actions and a myriad of other important details.
If he had tied his analysis to to various methods for learning different hinge actions it might even have been patentable method.
I guess you responded this way to prevent an impression that TGM is a particular way of moving the club through impact and I agree that it isn't.
But what Homer did with his hinge analysis is also a massive knowledge invention that deserves to be reckognised. He took a huge leap forward knowledge wise.
Homer created a language and a system that enables us to differentiate and analyse various hinge actions and a myriad of other important details.
If he had tied his analysis to to various methods for learning different hinge actions it might even have been patentable method.
Agreed. To clarify, I said it that way because I imagine Hinge Action has been employed for as long as golf has been played. If unknowingly. Homer's contribution was to decode it geometrically. Define it precisely. Bring it out of the darkness.
Bernt do you think a feathery with its different c.o.r (whatever that is) would make for a more profound ball response to Hinge Action?
Im going to look through my old golf books to try find something similar to hinging. We need Drew or somebody familiar with the with the books from the days of wooden shafts to help maybe.
Anybody got any leads to hinge action being mentioned in other golf instruction books. Id swear there's something in one of Arnie or Jack's books.
a feathery? Is that an old type of golf ball? Filled with feathers?
If I were to guess, I would guess that hinge action makes the biggest difference on balls with a high rebound factor (whatever that might be I guess you can call it Coefficient of Restitution)
But say you have two balls: One filled with sand, the other a Pinnacle made for max distance. You drop both to the floor. The floor will provide a close to perfect compression situation. The sand ball will just adopt the speed of the floor which is zero. Drop and stop. The Pinnacle will bounce back almost to the same height as you dropped it from. If the Pinnacle ball for some reason were rotated while it were in contact with the floor, so the line of compression were shifting during the impact interval, the ball would bounce less. But the ball with sand would behave the same.
Soap the floor .... spin the ball before you let it drop .... this may actually be testable. You might need to spin it really fast though.
There may be other factors of course that complicate things.
a feathery? Is that an old type of golf ball? Filled with feathers?
If I were to guess, I would guess that hinge action makes the biggest difference on balls with a high rebound factor (whatever that might be I guess you can call it Coefficient of Restitution)
But say you have two balls: One filled with sand, the other a Pinnacle made for max distance. You drop both to the floor. The floor will provide a close to perfect compression situation. The sand ball will just adopt the speed of the floor which is zero. Drop and stop. The Pinnacle will bounce back almost to the same height as you dropped it from. If the Pinnacle ball for some reason were rotated while it were in contact with the floor, so the line of compression were shifting during the impact interval, the ball would bounce less. But the ball with sand would behave the same.
Soap the floor .... spin the ball before you let it drop .... this may actually be testable. You might need to spin it really fast though.
There may be other factors of course that complicate things.
Ok that didnt take long, cant find my old Arnie books but here is Jack from "Golf My Way", 1974.
"The infinite variety of course and weather conditions encountered by the tournament golfer demands that he learn to "finesse" the ball, especially around the greens. Thus Ive gradually developed quite a variety of chipping techniques , two of them illustrated here. By swinging the clubface through the ball from open to closed (top drawing), I'm able to produce a low-flying, far-running kind of shot --a "hot" ball I call it. Reversing the process, I produce a higher-flying, softer landing chip shot--I think o fit as a "dead" ball--by swining the clubface through the ball from closed to open. Neither technique is beyond the reasonably skillful golfer who'll give some time to practicing these finesse shots."
He's pretty close, the top drawing looks like he'll it pull it left with that closed face at impact. The bottom one looks like a tiny push to the right. It lacks Homer's precision with the three associated planes, he doesnt discuss Angled at all. Good stuff though, really good stuff.
Id be interested in other examples from non tgm sources especially pre tgm. Maybe I should make this a new thread.
The "associated" planes are for understanding WHY the clubface moves as it does for each of the 3 hinge actions. But ALL of the action of the clubface takes place on ONE plane, the inclined plane. Thus, the following descriptions are not incorrect: horizontal=closing, angled=square, and vertical=opening. Cool?
The "associated" planes are for understanding WHY the clubface moves as it does for each of the 3 hinge actions. But ALL of the action of the clubface takes place on ONE plane, the inclined plane. Thus, the following descriptions are not incorrect: horizontal=closing, angled=square, and vertical=opening. Cool?
You are confusing the feels with the reals so to speak.
horizontal hinge action 'feels' like a full roll of the clubface, and yes, it is a 'closing only' motion - relative to the left shoulder hinge, just like a door
angled hinge action 'feels' like a no roll, or as you put it 'square', but the clubface is actually closing AND laying back
vertical hinge 'feels' like a reverse roll, or as you put it 'opening', but the clubface is actually ONLY laying back
the important point to keep in mind - the hinge is in the left shoulder
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I guess you can call it Coefficient of Restitution) 
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