Golf Balls -- The Science Behind The Dimples

The dynamics behind the flight of the golf ball offers aThe dimples on the golf balls help reduce the
fascinating insight into the physical interworkings of airaerodynamic drag. Aerodynamic drag normally affects
pressure, turbulence, and aerodynamics.smooth golf balls and slows them down, because
When golf was first played in Scotland, most playerswhen they sail through the air, they leave a pocket of
played using clumsy golf apparatus, with the first golflow-pressure air in its stir thus creating a drag.
clubs and golf balls made of wood.By applying dimples to the golf ball surface, the
In 1618 the "Featherie" was introduced. It was a golf ballpressure differential goes down and the drag force is
made of feather. This feather golf ball wasreduced. These dimples create turbulence in the air
handcrafted from goose feathers tightly pressed into asurrounding the golf ball, which, in turn, forces the air to
horse or cowhide sphere while still wet. After drying,clasp the golf ball more closely. By doing so, the air
the leather shrank and the feathers expanded, creatingtrails the warp created by the golf ball towards the
a hardened golf ball.back instead of flowing past it. This results in a smaller
As this type of golf ball was specially handcrafted, itwake and lesser drag.
was usually more expensive than golf clubs, so thatDimples were first added onto golf ball surfaces back
only a few privileged people could afford to play golfduring the gutta percha phase. Coburn Haskell
back then.introduced the one-piece rubber cored golf ball
After the Featherie golf ball came the Guttie golf ball.encased in a gutta percha sphere. Then in 1905 William
This type of golf ball was made from the rubber-likeTaylor applied the dimple pattern to a Haskell golf ball,
sap of the Gutta tree found in the tropics, and wasthus giving rise to the modern golf ball as we know it
shaped into a sphere when hot and eventually into atoday.
golf ball. As it was made of rubber, the Guttie golf ballAfter its beginning, dimpled golf balls were officially
could be cheaply produced and easily repaired byused in every golf tournament. In 1921, the golf ball took
reheating and reshaping.its current form with standard size and weight.
Comparing the two types of golf balls, the FeatherieNowadays there is a wide range of golf balls to fit
golf ball was said to travel farther than the Guttie golfevery style, game and condition, with some golf balls
ball because the Guttie golf ball's smooth surfaceoffering control, and other golf balls offering distance.
prevented it from covering more distance.Though a common sight nowadays, the dimpled golf
With this discovery, the developers of golf balls cameball is not just a mere element of the sports arena; it is
up with the "dimpled" golf balls that are so predominanta showcase of physics at work.
in modern golf nowadays.