Measuring and testing – Center of gravity; turning moment; metacentric height – Ball driving sporting implement
Patent
1992-05-20
1994-01-11
Woodiel, Donald O.
Measuring and testing
Center of gravity; turning moment; metacentric height
Ball driving sporting implement
273 80A, G01N 112
Patent
active
052770591
ABSTRACT:
A method for dynamically balancing golf putters using radius of gyration as the controlling parameter wherein the center of precussion location on the putter club face is re-located so as to coincide with that location where a golfer consistently makes contact with a golf ball during that golfer's natural putting stroke. The present method also allows one to reposition the golf ball contact point on the putter club face to an optimum location such that the golfer will consistently strike a golf ball at or slightly above its horizontal centerline thereby imparting optimum role characteristics to the golf ball when putting. The present method is based upon the dynamic equations describing compound pendulum motion and uses radius of gyration as the controlling parameter to balance a golf putter based upon optimal putter comfort, feel and performance during the putting stroke. The present method allows one to match a golfer's natural putting stroke to a particular golf putter modified so as to both contact the golf ball at its optimal location for best distance, direction and roll characteristics while also optimizing and improving the overall feel, comfortability, performance and control of such putter during the putting stroke. Although the present invention is specifically directed to dynamically balancing golf putters, it is also recognized that the present method can likewise be utilized for balancing other hand held implements as hereinafter explained.
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Article from Golf Scene, dated Oct./Nov. 1991, entitled "Center of Gravity" by Ralph Maltby, pp. 16 and 17.
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