Golf ball dimples with a catenary curve profile
View Patent ↗A golf ball having an outside surface with a plurality of dimples formed thereon. The dimples on the ball have a cross-sectional profiles formed by a catenary curve. Shape constants in the catenary curve are used to vary the ball flight performance according to ball spin characteristics and player swing speed.
1. A golf ball having a plurality of recessed dimples on the surface thereof, wherein at least one dimple is defined by the revolution of a Catenary curve, and wherein the ball has a cover hardness of about 45 to about 55 Shore D, a compression of about 60 to 75 Atti, and a shape factor of about 65.
2. The golf ball of claim 1 , wherein the golf ball has lift coefficient from 0.09 to 0.27 at a Reynolds Number of 222727 and a Spin Ratio of 0.088.
3. The golf ball of claim 1 , wherein the golf ball has lift coefficient from 0.14 to 0.41 at a Reynolds Number of 178182 and a Spin Ratio of 0.110.
4. The golf ball of claim 1 ,of the plurality of recessed dimples are defined by the revolution of a Catenary curve.
5. A golf ball having a core and a cover, wherein the cover has a plurality of recessed dimples on the surface thereof, wherein at least one dimple is defined by the revolution of a Catenary curve, and wherein the golf ball has a lift coefficient from 0.09 to 0.27 at a Reynolds Number of 222727 to 0.088.
6. The golf ball of claim 5 , wherein the shape factor is from 80 to 100 and the cover has a hardness of 45 to 55 Shore D.
7. The golf ball of claim 5 , wherein the shape factor is from 70 to 90 and the cover has a hardness of 55 to 65 Shore D.
8. The golf ball of claim 5 , wherein the shape factor is from 50 to 70 and the cover has a hardness of 45 to 55 Shore D.
9. The golf ball of claim 5 , wherein the shape factor is from 40 to 60 and the cover has a hardness of 55 to 65 Shore D.
10. The golf ball of claim 5 , wherein the shape factor is from 25 to 45 and the cover has a hardness of 65 to 75 Shore D.
11. The golf ball of claim 5 , wherein about 30 percent or greater of the plurality of recessed dimples are defined by the revolution of a Catenary curve.
12. A golf ball having a core and a cover, wherein the cover has a plurality of recessed dimples on the surface thereof, wherein at least one dimple is defined by the revolution of a Catenary curve, and wherein the golf ball has a lift coefficient from 0.14 to 0.41 at a Reynolds Number of 178182 to 0.110.
13. The golf ball of claim 12 , wherein the shape factor is from 80 to 100 and the cover has a hardness of 45 to 55.
14. The golf ball of claim 12 , wherein the shape factor is from 70 to 90 and the cover has a hardness of 55 to 65.
15. The golf ball of claim 12 , wherein the shape factor is from 50 to 70 and the cover has a hardness of 45 to 55.
16. The golf ball of claim 12 , wherein the shape factor is from 40 to 60 and the cover has a hardness of 55 to 65.
17. The golf ball of claim 12 , wherein the shape factor is from 25 to 45 and the cover has a hardness of 65 to 75.
18. The golf ball of claim 12 , wherein about 30 percent or greater of the plurality of recessed dimples are defined by the revolution of a Catenary curve.
19. A golf ball having a plurality of recessed dimples on the surface thereof, wherein at least one dimple is defined by the revolution of a Catenary curve, and wherein the ball has a cover hardness of about 45 to about 55 Shore D, a compression of about 60 to 75 Atti, and a shape factor of about 80.
20. The golf ball of claim 19 , wherein the golf ball has a lift coefficient from 0.09 to 0.27 at a Reynolds Number of 222727 and a Spin Ratio of 0.088 or a lift coefficient from 0.14 to 0.41 at a Reynolds Number of 178182 and a Spin Ratio of 0.110.
21. The golf ball of claim 1 , wherein the golf ball has a ball speed from a driver of 140 mph to 155 mph.