I am still shaking my head about the ridiculous claim by Peter Kostis on CBS’ Masters Saturday broadcast, claiming that top club head speed will occur well before impact, and if you still need proof of this, I have it below.
He showed a clip of Brooks Koepka, if you’ll remember, claiming that the analysis machine had B.K.’s top club head speed at 126 mph about 18″ or 45 cm before impact, and an actual club impact speed of 120 mph.
I am not questioning the validity of the data, only that this is fundamentally wrong in terms of mechanics and certainly not something that should be happening despite Kostis’ advice to everyone that this would be the case for them all.
So, I was swinging my SwingRite today, getting back into swing shape, and I shot a clip of one of my last swings on the hardest setting of the day wherein I can prove to you that this was a fatally flawed assertion.
Now, you can simply take my word for it, or you can see that in the below swing, the SwingRite clicks right around the swing bottom or even slightly past it, and the click of course would occur at the fastest speed in the swing, not before or after:
Here is where it snaps:
As I’ve said, a naturally falling pendulum will accelerate to the bottom of the arc, and that’s not me saying it, that’s just the laws of physics saying that.
Add to the gravitational acceleration of swinging something down in an arc (as in a golf swing) the muscular action of the extending power arm, the hands and wrists (the 2nd & 3rd levers of the swing action), and you will actually reach maximum acceleration and club speed slightly after the swing bottom when swinging the SwingRite.
Now, when hitting an actual ball, it is certainly possible that the club head stops accelerating upon impact due to the inertia of the ball, but there is no way you would reach maximum acceleration and club speed 18″ or 45 cm (roughly a foot and a half) before impact as Kostis was saying would be the case.
If Brooks Koepka has higher club speed 18″ prior to impact with his driver swing, then there is something very off there with what he’s doing in his mechanics.
Because, as I said in the previous posting, the only way to stop acceleration before the swing bottom is if someone or something interferes with it!
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