Clubspeed

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Clubfitter73

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Apr 18, 2011, 5:06:08 PM4/18/11
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After a lot of calculations I found two calculations that will generate relative good results.

With the Zelocity software and 221 shots measured 93% will be within +/- 7mph within the Trackman values.

The two calculations I have found will either generate

14% within 0 mph
38% +/- 1 mph
56% +/- 2 mph
69% +/- 3 mph
81% +/- 4 mph
90% +/- 5 mph
96% +/- 6 mph

or

8% within 0 mph
28% +/- 1 mph
51% +/- 2 mph
72% +/- 3 mph
86% +/- 4 mph
94% +/- 5 mph
96% +/- 6 mph

I decided that for now the second results are better then the first one because there is more within +/- 5mph then with the second calculation.

A new beta has been created that will also show pre-impact clubspeeds. As the TM doesn't show that data I can only assume that it is correct, but as the impact clubspeed is derived from those pre-impact speeds I assume it is a rather sure assumption :-)
 
Included is a screenshot of the latest version
lpb2.JPG
lpb2.JPG

Ron Tonnessen

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Apr 18, 2011, 8:36:56 PM4/18/11
to zeloci...@googlegroups.com
Frans
I would agree that the second calculation is best...nice work!!
Ron

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