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Questions and answers about sports

How do golf ball dimples work?

7 min read

Asked by: Brittany Smith

Dimples on a golf ball create a thin turbulent boundary layer of air that clings to the ball’s surface. This allows the smoothly flowing air to follow the ball’s surface a little farther around the back side of the ball, thereby decreasing the size of the wake.

Do the dimples on a golf ball affect putting?

Research has acknowledged that dimples do affect the direction variability during a golf putt; however, only limited data are presented through a simple analysis of the distance that putts have rolled off line (Pelz, 2000. Dave Pelz’s putting Bible.

Is it better to have more or less dimples on a golf ball?

The number of golf ball dimples is less important than the shape and depth of the dimples. The number of dimples can affect drag, so it is important to not have too many dimples. Between 330 and 400 dimples is the optimum number. More dimples mean more focussed control over the ball trajectory.

Why do golf balls have dimples and on average how many dimples are there?

By adding dimples to the ball, golf ball manufacturers minimize drag forces that pull back on the ball or slow it down. Dimples also help lift the ball by forcing airflow downward, which pushes the ball upward. These are the same principles of aerodynamics that airplanes use to fly.

How golf ball dimples reduce drag?

Golf ball dimples reduce drag by creating a turbulent boundary layer flow around the ball. The boundary layer is defined as a thin layer of fluid dragged by the ball. By creating this turbulent boundary layer, the separation point decreases.

Why is a golf hole 4.25 inches?

Four-and-a-quarter inches in diameter. R&A ADOPTS 4.25-INCH HOLE SIZE That first hole-cutting implement utilized a cutting tool that was, you guessed it, 4.25 inches in diameter. The folks running the R&A apparently liked that size and so adopted it in their rules for 1891.

How far can you hit a golf ball without dimples?

about 130 yards

According to Frank Thomas, Golf Digest’s chief technical advisor and former technical director of the USGA, a smooth golf ball with no dimples would travel about 130 yards when hit with a modern driver by a tour-caliber player.

Why is there 336 dimples on a golf ball?

Essentially, golfers would have little hope controlling a smooth golf ball. When dimples are added to a golf ball, it creates a tiny layer of air around the golf ball that significantly cuts down drag. This forces the air to flow over a larger portion of the ball, which results in a much smoother ball flight.

How many dimples does a Titleist Pro V1 golf ball have?

388 dimple

New Spherically-tiled Tetrahedral Dimple Designs– featuring a 388 dimple layout for Pro V1, and 348 for Pro V1x – are optimized to each model to maximize distance and flight consistency. Pro V1 maintains its penetrating trajectory while Pro V1x will fly higher than the prior generation.

Which ball has 336 dimples?

American golf balls

On American golf balls, there are usually 336 dimples, while there are 330 on a British ball. However these numbers can vary widely. Golf balls have anywhere from 300-500 dimples. Golf ball manufacturers will manipulate the number, shape, size, and even edge angles to optimize ball flight and trajectory.

Why do cars not have dimples in golf balls?

The dimples in a golf ball promote an earlier transition to turbulent flow and thus reduce the pressure drag of the golf ball, so it can fly further. In a car, the size is large enough to develop a turbulent boundary layer early on. Dimples would not help, but increase drag slightly.

Why is a golf ball white?

It was a bright color and was a good alternative compared to the natural brown of the feathery balls. It is not as if high-intensity yellows and neons were available options, so for hundreds of years, white was the standard color.

Why is a golf ball rough on its surface?

Rough balls fly through the air more easily than smooth ones. As air flows around a smooth ball, it breaks away from the surface, forming a pocket of swirling currents at the back, like the wake behind a speedboat. This wake creates “drag” on the ball, slowing it down.

Why do golf balls fly?


It's mixing the high speed air from out here and bringing it close to the ball. So that that flow can remain attached to the ball a more attached airflow creates a smaller wake.

Why do some golf balls spin better than others?

Premium multilayer balls with urethane covers generally are superior because they perform well throughout the bag. On wedge shots, for example, they spin more because of the soft urethane cover, and off the tee they have the same distance-producing characteristics as firmer Surlyn balls.

What makes a golf ball travel so far?

With the application of drag, the ball slows down. Hence, by having dimples on golf balls, the pressure differential goes down and the drag force is reduced. These dimples create turbulence in the air surrounding the golf ball. This, in turn, forces the air to clasp the golf ball more closely.

How do pros hit their irons so far?

All the best golfers out there d loft their ions at impact that's one of the reasons one of the main reasons why they're able to hit the ball. Further on a better flight with more compression.

Does a wet golf ball go farther?

Typically when the club is wet it produces slightly less spin and slightly higher shot then when the golf ball and golf club are both dry. We see very minimal differences between the club being wet or dry.

Why do pros hit the ball so far?

As a whole pros hit the ball so far because they are skilled athletes and play on the best conditioned courses. Athletic golf skills maximise swing speed and therefore distance while the agronomy of the fairways means the ball runs further.

How does Mickelson hit it so far?

Whilst fitness and diet seems to have helped – Mickelson has been fasting, detoxing and drinking a special kind of coffee – arguably the biggest reason why he can still drive it so far comes down to his long, free flowing swing.

Why do my irons not go far?

One reason you might not be hitting the ball very far is that you have too high of a spin rate with your driver and irons. An easy way to spot this is watching how high your shots go in the air. Golf shots that get hit with high back spin rates tend to climb higher into the air.

How hard should you swing at a golf ball?

In golf, you should swing as hard as you can without losing your balance and posture. The longer you can hit the ball off the tee, the easier scoring becomes as you’ll leave yourself less distance into the green.

How high should you hit a 7 iron?

A seven iron should go about 140 yards. This is considered to be the standard distance for an average male golfer. For women golfers, the distance is going to be closer to 120 yards.

Should your swing be the same for irons and driver?

The truth is, the best golf swing for drivers and irons is essentially the same. The difference is not in the swing itself, but in how you approach the swing. I’m going to share a few easy adjustments you can make between your driver shots and your iron shots.

What do pro golfers think about while swinging?

In a recent survey of 24 PGA Tour players, 18 said they didn’t think about anything at all during their swing, while those that did have a swing thought said it was to focus on a spot a few inches in front of the ball, to encourage swinging through, instead of hitting at the ball.

How good is average golfer?

According to the USGA, the average score for recreational players is 91 on a par 72 golf course. These numbers take into account everyone who actively records their scores and reports them online, and since a lot of golfers don’t do this, the average golf score for all golfers is much closer to 100.

Should you turn your hands over in the golf swing?

The forearms, hands and club should be rotating in a counterclockwise motion as you swing down and through the ball. When you do this correctly, the right palm, back of the left hand and clubface will be facing down after impact (above, left).