LynnBlakeGolf Forums - View Single Post - Geometry of the circle and how it applies to shot shaping . Thread: Geometry of the circle and how it applies to shot shaping . View Single Post #138 01-08-2013, 05:44 PM HungryBear Senior Member Join Date: Nov 2008 Posts: 759 Originally Posted by O.B.Left Camera attached to upper most part of left arm under the hinge so to speak. Rather than interject my opinion I will ask a rhetorical question. With a flat left hand we have the same RPM. For all hinges, but the "surface speed" or ratio of hand speed to clubhead speed is greatest for horixontal hinging, angled hinging is in the middle and the smallest retio for "true" vertical hinge. But if the ratio's are not the same how could it look the same from the center of rotation? It can't. So it won't? Interesting, Hummm? HB HungryBear View Public Profile Send a private message to HungryBear Find all posts by HungryBear