Question about tumble

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SteveT

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I think the good swing thought is: "Tumble tightly" ... because if you tumble loosely you will tend to get OtT.... and sloppy, excessively.

The scientific rationale for tumbling tightly is rooted in the force relationship of the hands and arms to the fast swinging club during final release.. when kinetic energy is surging down your arms and into the club.

Tight tumbling will not only ensure control of the clubhead path, it will also maximize energy transfer from the body to the arms and club.
 
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SteveT

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Also THIS

THETORQUE.jpg


Beta torque is TUMBLE.

YES !!!!... the beta component is a measure of the pitch motion of the club, and Nesbit has determined that the pitch motion is between 9º to 12º.... which means it's a "tight" tumble radial sweep.

From Nesbit:

Figure 3 illustrates each swing from a side
view showing the paths of the grip point and club
head mass center. The figure clearly shows that the
swing does not take place in a fixed plane and that
there is significant pitch (beta) motion of the club
during the swing. There appears to be two planes;
one traced out by the club head, and the other by the
path of the hands. The angle between these planes
ranges from 9 to 12 degrees.

The scratch golfer had the least pitch motion...


As you can see from the green beta torque line, it goes highly positive in the latter part of the downswing, which means the tumble feeels and is tighter.
 
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