Golf ball

Details Golf ball Golf ball

1997-12-12

1999-08-10

Marlo, George J.

Games using tangible projectile

Golf

Ball

473379, A63B 3714

Patent

active

059350237

ABSTRACT:
A golf ball having a plurality of dimples on its surface, the dimples including dimples which are different in diameter and/or depth, the total number of dimples is 392 to 432, and the golf ball has a percent dimple surface area occupation of 77 to 82%, a percent dimple volume occupation of 0.85 to 1.2%, an average dimple diameter of 2.5 to 4.5 mm (0.098 to 0.177 inches), an average dimple depth of 0.12 to 0.18 mm (0.005 to 0.007 inches), an average dimple V.sub.0 value of 0.4 to 0.6, and a dimple edge angle of 4.0 to 17.0 degrees, where CL is a lift coefficient and CD is a drag coefficient, CL is in the range of 0.140 to 0.190, CD is in the range of 0.21 to 0.255, and CL/CD is in the range of 0.640 to 0.730 when the ball is in flight at a velocity of 65 m/s and a spin rate of 42 rps.

REFERENCES:
patent: 878254 (1908-02-01), Taylor
patent: 5080367 (1992-01-01), Lynch et al.
patent: 5569100 (1996-10-01), Molitor et al.

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