Practice golf ball

Details Practice golf ball Practice golf ball

1997-04-30

1998-07-21

Marlo, George J.

Games using tangible projectile

Golf

Practice projectile

473377, 473384, 273DIG20, A63B 3714, A63B 6936

Patent

active

057827028

ABSTRACT:
A practice golf ball having a multiplicity of dimples formed in its surface has a weight of 46.5-49.0 grams and undergoes a distortion of 2.5-4.0 mm under a constant load of 100 kg. A percent dimple volume Vr is in the range of 0.7%.ltoreq.Vr.ltoreq.1.1% wherein the percent dimple volume Vr is the sum of the volumes of the entire dimples divided by the volume of a phantom sphere given on the assumption that the ball surface is free of dimples. The ball offers a good feel upon shots, follows a low trajectory without substantial shortage of a flight distance, and is thus suited for use in urban golf practice pits of limited space.

REFERENCES:
patent: 5601503 (1997-02-01), Yamagishi et al.

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