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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.
More Info On Golf Putter
The off-season is also a good time to renew your equipment, in particular your clubs. If you start practicing with your new clubs during winter you have more time to get used to them, rather than having to struggle in spring when the 'serious' golf season starts again. Another reason to stock up during winter is that prices are usually at their lowest, with many merchants offering off-season and (post-)holiday specials.
...PGA Tour
There are a number of possible reasons for hitting behind the ball. If you are not shifting your weight properly on the downswing, from the back leg to the front leg, your swing will bottom out before the club gets to the ball. Also, if you do not keep your head steady, you do not know where your swing will bottom out. Also, if you do not keep your leading arm reasonably straight, the arc of your swing will vary, so you can improve your consistency by focusing on these 3 areas.
Find a great new golf shaft online today
Headline News About Golf
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Mon, 24 Jul 2006 00:00:00 GMT
Titleist the #1 ball at The Open for the 27th consecutive year
Calf Flexibility
Mon, 03 Apr 2006 00:00:00 GMT
Calf flexibility would have to top my list of the most influential muscle that can alter a golfer’s swing and is usually totally overlooked.
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Golf Swing Training The Right Way
by by Mike Pedersen
Golf swing training is a critical area in the improvement of any golfer's game. Yet not all golf swing training programs are the same. The truth of the matter is that there are some that are better and more effective than others.
In this article, I will examine the aspects that make for a good golf swing training program.
Before you even set foot on the course for a golf swing training session, it is important that you prepare your body physically and especially the muscles in your body that you will need to use in your golf swing.
A good golf swing exercise training program must include stretch exercises. Golf-specific stretch exercises are very powerful and extremely effective in improving the golf swing.
The amazing fact is that you do not need to be in the gym or away from your work station to carry out golf swing stretch training exercises. There are many stretch exercises that can be carried out in a spare moment in your office, throughout the day.
A good golf swing training exercise program will also involve weight training using dumbbells. The idea here is not to build bigger muscles but to strengthen your golf swing muscles.
Golf exercise experts will be able to give you the dumbbell exercises that will build your strength without giving you bulging muscles. This is one of the reasons why these exercise programs using dumbbells have been embraced by lady golfers and even very young junior teenage golfers.
Your golf swing exercise training program can move to the course where you can make full use of golf exercise products like the weighted club. Here you will be further enhancing and conditioning your golf muscles even as you practice the correct technique golf swing.
By the time your golf swing training program reaches the course and hitting actual golf balls, you will tend to find that your drives will be longer and you will also be more confident with yourself.
The right golf swing training can make a huge difference in your golf game.
Mike Pedersen is one of the top golf fitness experts in the country, author of the Ultimate Golf Fitness Guide, and founder of several cutting-edge online golf fitness sites. Take a look at his just released golf fitness dvds at his golf fitness site - Perform Better Golf.
Hints On Golf
Golf truly is a great equalizer because it doesn't discriminate. Finally, the wonderful saying "What the mind conceives, the body can achieve" really drives home this point that the only limits we have in our lives are in our "minds".
...PGA
The simple way to learn the proper feel of your swing center is to place a golf ball on the ground and, with sun to your back, take your stance in a position whereby the shadow of your head covers the ball. As you swing, keep your eyes on the shadow. During the swing the shadow will move slightly, however if it moves off the ball you have lost the correct swing center. If the shadow remains on the ball you have kept the swing in the correct position. Repeat this excellent drill daily so as to reinforce good habits that will yield the reults you seek.
...PGA
Adams Lady Insight Belle Fairway Wood
Get Behind. There�s no leverage in the golf swing if you�re ahead of the ball. Good players move away from the target slightly in the backswing and don�t pass the ball until after impact.
Keep yourself in the cooling shade with a great golf umbrella.
How does a player cultivate the proper length of backswing? We are all individuals and our muscle coordination is not the same,therefore it would be foolish to try to force the club to a parallel position at the top of the backswing. Trying to take the clubhead to parallel will not only shorten your distance it will wreck your accuracy as well. So returning to the earlier premise:The club should not go back any further than you can turn your shoulders.
...LPGA tips
Golf Related News
The Ultimate Holiday Gift
Thu, 17 Nov 2005 00:00:00 GMT
Titleist offers free personalization on golf balls now through December 10.
Collegiate Players Make Titleist the #1 Golf Ball at NCAA Division I Men's and Women's Golf Championships
Mon, 04 Jun 2007 00:00:00 GMT
Titleist is also the Tee-to-Green Favorite across All Major Equipment Categories at Men’s Championship.
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