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Golf Balls -- The Science Behind The Dimples
by Susan Chiang
The dynamics behind the flight of the golf ball offers a fascinating insight into the physical interworkings of air pressure, turbulence, and aerodynamics.
When golf was first played in Scotland, most players played using clumsy golf apparatus, with the first golf clubs and golf balls made of wood.
In 1618 the "Featherie" was introduced. It was a golf ball made of feather. This feather golf ball was handcrafted from goose feathers tightly pressed into a horse or cowhide sphere while still wet. After drying, the leather shrank and the feathers expanded, creating a hardened golf ball.
As this type of golf ball was specially handcrafted, it was usually more expensive than golf clubs, so that only a few privileged people could afford to play golf back then.
After the Featherie golf ball came the Guttie golf ball. This type of golf ball was made from the rubber-like sap of the Gutta tree found in the tropics, and was shaped into a sphere when hot and eventually into a golf ball. As it was made of rubber, the Guttie golf ball could be cheaply produced and easily repaired by reheating and reshaping.
Comparing the two types of golf balls, the Featherie golf ball was said to travel farther than the Guttie golf ball because the Guttie golf ball's smooth surface prevented it from covering more distance.
With this discovery, the developers of golf balls came up with the "dimpled" golf balls that are so predominant in modern golf nowadays.
The dimples on the golf balls help reduce the aerodynamic drag. Aerodynamic drag normally affects smooth golf balls and slows them down, because when they sail through the air, they leave a pocket of low-pressure air in its stir thus creating a drag.
By applying dimples to the golf ball surface, the pressure differential goes down and the drag force is reduced. These dimples create turbulence in the air surrounding the golf ball, which, in turn, forces the air to clasp the golf ball more closely. By doing so, the air trails the warp created by the golf ball towards the back instead of flowing past it. This results in a smaller wake and lesser drag.
Dimples were first added onto golf ball surfaces back during the gutta percha phase. Coburn Haskell introduced the one-piece rubber cored golf ball encased in a gutta percha sphere. Then in 1905 William Taylor applied the dimple pattern to a Haskell golf ball, thus giving rise to the modern golf ball as we know it today.
After its beginning, dimpled golf balls were officially used in every golf tournament. In 1921, the golf ball took its current form with standard size and weight. Nowadays there is a wide range of golf balls to fit every style, game and condition, with some golf balls offering control, and other golf balls offering distance.
Though a common sight nowadays, the dimpled golf ball is not just a mere element of the sports arena; it is a showcase of physics at work.
For a more comprehensive look at golf and golf equipment, drop by Susans site Golf Ball City. Other informative sports related articles are available at Shopping Palace and Niche Weblog.
Additional Info On Golf Today
To develop the best possible grip for you. Every golfer swings and grips the club differently. Over 90 percent of golfers use the Vardon or overlapping grip. Players with smaller hands sometimes find the interlocking grip, with the little finger of the right hand interlocked with the index finger of the left hand, works best for them. Players with smaller should use a baseball type grip.
...PGA of America
Speed Controls Distance
The seemingly obvious fact that the sand (not the club) moves the ball out of the bunker is often misunderstood. To control the distance your bunker shots travel, you have to be able to manage the speed of the sand, which isn't as difficult as you might imagine. The length of the swing is irrelevant�it's the speed of the clubhead that really matters. Practice pitching sand out of a bunker until you can consistently control how far it goes, and only then add a golf ball to the equation.
...Golf Tips magazine
Control Your Distance
A proper divot is taken just beyond impact, but it should be shallow. Shallow divots allow you to hit your clubs consistent distances, while deep ones don't.
...Golf Tips magazine
Use Your Body For Power
Every good golfer knows that power comes from the body, not the arms. To learn to power the club with your body instead of your arms and hands, put the club behind the ball at address, with your body in a dead-stop position. Without taking a backswing, try to drag the ball into the air. If you're a player who uses his or her hands to control the club, you'll probably struggle at first. However, you'll quickly find that once you start moving the club with your body, you'll begin to get the ball in the air more consistently. This helps you turn fully through the ball on the downswing.
...Golf Tips magazine
Try Some High-Tech Clothes
We know some of the new materials look a bit different, but they really do wick away moisture and keep you cooler than cotton.
...Golf Tips magazine
Headline News About Golf
U.S. Open® Timeline - 57 Years of History
Fri, 17 Jun 2005 00:00:00 GMT
Learn the ''Five Daily Sins'' That Can Hurt Your Golf Game on Golf Fitness Academy presented by Titleist
Mon, 22 May 2006 00:00:00 GMT
Premieres Tonight at 8:40 p.m. on The Golf Channel
golf swing
golf club covers | golf putters
This is the secret you've been searching for...get the
Golf Swing Secret...today!
Golf Balls -- The Science Behind The Dimples
by Susan Chiang
The dynamics behind the flight of the golf ball offers a fascinating insight into the physical interworkings of air pressure, turbulence, and aerodynamics.
When golf was first played in Scotland, most players played using clumsy golf apparatus, with the first golf clubs and golf balls made of wood.
In 1618 the "Featherie" was introduced. It was a golf ball made of feather. This feather golf ball was handcrafted from goose feathers tightly pressed into a horse or cowhide sphere while still wet. After drying, the leather shrank and the feathers expanded, creating a hardened golf ball.
As this type of golf ball was specially handcrafted, it was usually more expensive than golf clubs, so that only a few privileged people could afford to play golf back then.
After the Featherie golf ball came the Guttie golf ball. This type of golf ball was made from the rubber-like sap of the Gutta tree found in the tropics, and was shaped into a sphere when hot and eventually into a golf ball. As it was made of rubber, the Guttie golf ball could be cheaply produced and easily repaired by reheating and reshaping.
Comparing the two types of golf balls, the Featherie golf ball was said to travel farther than the Guttie golf ball because the Guttie golf ball's smooth surface prevented it from covering more distance.
With this discovery, the developers of golf balls came up with the "dimpled" golf balls that are so predominant in modern golf nowadays.
The dimples on the golf balls help reduce the aerodynamic drag. Aerodynamic drag normally affects smooth golf balls and slows them down, because when they sail through the air, they leave a pocket of low-pressure air in its stir thus creating a drag.
By applying dimples to the golf ball surface, the pressure differential goes down and the drag force is reduced. These dimples create turbulence in the air surrounding the golf ball, which, in turn, forces the air to clasp the golf ball more closely. By doing so, the air trails the warp created by the golf ball towards the back instead of flowing past it. This results in a smaller wake and lesser drag.
Dimples were first added onto golf ball surfaces back during the gutta percha phase. Coburn Haskell introduced the one-piece rubber cored golf ball encased in a gutta percha sphere. Then in 1905 William Taylor applied the dimple pattern to a Haskell golf ball, thus giving rise to the modern golf ball as we know it today.
After its beginning, dimpled golf balls were officially used in every golf tournament. In 1921, the golf ball took its current form with standard size and weight. Nowadays there is a wide range of golf balls to fit every style, game and condition, with some golf balls offering control, and other golf balls offering distance.
Though a common sight nowadays, the dimpled golf ball is not just a mere element of the sports arena; it is a showcase of physics at work.
For a more comprehensive look at golf and golf equipment, drop by Susans site Golf Ball City. Other informative sports related articles are available at Shopping Palace and Niche Weblog.
Additional Info On Golf Today
To develop the best possible grip for you. Every golfer swings and grips the club differently. Over 90 percent of golfers use the Vardon or overlapping grip. Players with smaller hands sometimes find the interlocking grip, with the little finger of the right hand interlocked with the index finger of the left hand, works best for them. Players with smaller should use a baseball type grip.
...PGA of America
Speed Controls Distance
The seemingly obvious fact that the sand (not the club) moves the ball out of the bunker is often misunderstood. To control the distance your bunker shots travel, you have to be able to manage the speed of the sand, which isn't as difficult as you might imagine. The length of the swing is irrelevant�it's the speed of the clubhead that really matters. Practice pitching sand out of a bunker until you can consistently control how far it goes, and only then add a golf ball to the equation.
...Golf Tips magazine
Control Your Distance
A proper divot is taken just beyond impact, but it should be shallow. Shallow divots allow you to hit your clubs consistent distances, while deep ones don't.
...Golf Tips magazine
Use Your Body For Power
Every good golfer knows that power comes from the body, not the arms. To learn to power the club with your body instead of your arms and hands, put the club behind the ball at address, with your body in a dead-stop position. Without taking a backswing, try to drag the ball into the air. If you're a player who uses his or her hands to control the club, you'll probably struggle at first. However, you'll quickly find that once you start moving the club with your body, you'll begin to get the ball in the air more consistently. This helps you turn fully through the ball on the downswing.
...Golf Tips magazine
Try Some High-Tech Clothes
We know some of the new materials look a bit different, but they really do wick away moisture and keep you cooler than cotton.
...Golf Tips magazine
Headline News About Golf
U.S. Open® Timeline - 57 Years of History
Fri, 17 Jun 2005 00:00:00 GMT
Learn the ''Five Daily Sins'' That Can Hurt Your Golf Game on Golf Fitness Academy presented by Titleist
Mon, 22 May 2006 00:00:00 GMT
Premieres Tonight at 8:40 p.m. on The Golf Channel
golf swing
golf club covers | golf putters
posted by Golfer | 12:57 AM
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