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I know there are some pretty sophisticated devices that take high speed overhead photographs of the club through/at impact and use that to determine rate of rotation, but the only place I've seen it is the Callaway Performance Center at Troon North in Scottsdale, AZ.
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Launch monitors? The GCquad gives a rate of closure in RPMs.
anyone knows a device that could measure clubface/grip/shaft rotational speed through impact at full swings?
Look at Blast Motion
Putting
Full Swing
I know all about my loft, lie changes, tempo, time, face rotation back and through on my putter. Haven't done full swing with it yet.
$150.
Found out my speed going back is too slow - when speeding up, results improve.
If you have an Apple Watch, I believe this type of data is what Swing Analyzer will do. The app was $8 i think(?), but it's slick: https://itunes.apple.com/us/app/golf-swing-analyzer-by-trackmygolf/id1147297031?mt=8 and shows the following:
is "grip" velocity twist?