Video Answer from the back porch.....Tumble Drill + Aim primer

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I believe the negative beta force is what causes the lead wrist (left wrist in a righty golfer) to bend back on itself to and through impact.


Ya, past the ball into the follow through as the club head gets behind the body and away from the ball would be a negative beta, huh. Didn't really think of it that way. But, I don't think it's an active torque from the golfer. Sometime after impact is a coast to the finish.
 

lia41985

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Ya, past the ball into the follow through as the club head gets behind the body and away from the ball would be a negative beta, huh. Didn't really think of it that way. But, I don't think it's an active torque from the golfer. Sometime after impact is a coast to the finish.
Sir, I humbly posit that "rotation around the coupling point" is a battle of forces. For example, positive and negative beta "across the shaft" to and through impact. Those forces battle each other and are important factors in terms of creating the instantaneous axis of rotation known as coupling point rotation. Obviously, alpha and gamma play a part (which is why I said the battle of the betas was merely an important factor).
 
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Sometimes its a worthwhile venture to hit balls into an open field without intention and just see what happens, develop a pattern and then aim accordingly.

Just for the hell of it, I tried this today. Never looking up to a target, I set the club face behind the ball set my feet and hit the ball, then laid the club down along my heels and compared that to where the ball went. Found it to be comfortable for me to hit about a 10 yard pull with a 6 iron. But, it seemed dependent on how open I would get my body to impact. Question now is, do I work on this aiming?
 
To my thinking the tumble as illustrated in Brian's porch video has the same motion of a hockey slap shot. You cannot under-plane a slap shot and put anything on the puck. There is always a tumble,while the forward hand moves up and in.
 

dbl

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Sir, I humbly posit that "rotation around the coupling point" is a battle of forces. For example, positive and negative beta "across the shaft" to and through impact. Those forces battle each other and are important factors in terms of creating the instantaneous axis of rotation known as coupling point rotation. Obviously, alpha and gamma play a part (which is why I said the battle of the betas was merely an important factor).

In various graphs Brian has posted, I see Beta being negative into and through impact. I think once the handle has been brought IN, then Beta is done, and accelerations go to zero and negative for that aspect to "end." perhaps I'm wrong, as not all indices are marked on these graphs, but a battle between positive and negative doesn't strike me as right.
 

ZAP

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Just watched my first lesson with Brian from 2010. He tried to get me to do this very thing. Funny but in all the times I have watched that lesson this never clicked until now. Kind of sad on my part.
 
Just watched my first lesson with Brian from 2010. He tried to get me to do this very thing. Funny but in all the times I have watched that lesson this never clicked until now. Kind of sad on my part.

It takes the time that it takes . Nothing sad about it lol it could of been a whole lot sadder and it never clicked :cool:
 
Just watched my first lesson with Brian from 2010. He tried to get me to do this very thing. Funny but in all the times I have watched that lesson this never clicked until now. Kind of sad on my part.

ZAP, I find this very interesting from a learning process perspective. Why do you think that what Brian told you didn't lead to you understanding what he meant you to do?
 

ZAP

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I don't think it was a total lack of understanding really. It was early in the lesson when he talked to me about the importance of not steepening right away from the top. We then went on to work on some other stuff and I guess I ignored that based on the other stuff. Looking back at it he took like a couple of minutes to explain how I had to work back under it late. I guess I had such good success with the other stuff I just glazed over that early nugget. Now that I have a better overall understanding I caught that right away. Funny how time works.
 
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