What you have is a strain history on the club shaft. That is the bending of the shaft forward and downward. From this you can show speed, torque, and acceleration. You also have where your hands are at address and impact. Strain histories can show where the umph is put into the swing and show how repeatable the swing is.

Having the correct shaft does make a huge difference in your trajectory, and distance. You first must have a repeatable swing. This is why my swing with its anatomical certainties yield such fantastic results, your swing has a certainty to it.

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