Golf-FAQ.com

what is the valley effect in golf

by Jose Abshire Sr. Published 2 years ago Updated 2 years ago
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Anyone who has watched golf over the years has heard an announcer say that a certain green, or even an entire facility will always break toward a certain lake or landmark. The opposite also gets a lot of play too, as in it always breaks away from a certain mountain.

How does altitude affect a golf ball?

Because the air is less dense at higher altitudes and imparts less force on the golf ball, the ball won't slice or hook as much. It will be harder to shape shots. The shorter the shot and the slower a ball moves through the air, the altitude will have a lesser effect on golf ball aerodynamics.

Why do golf shots travel farther when they hit the ball?

Thus, it doesn't slow down as quickly as it flies, resulting in greater distance. Since golf shots vary widely in their launch conditions (the initial speed, spin rate, and launch angle of the ball), the effect will vary greatly depending on the golfer and what club is being used.

Do grooves on a golf ball affect the spin?

The intuition is correct that the more “grab” on the ball at the point of impact, the more it will spin. Many people don't know that a club face with no grooves would actually put more spin on the ball. The smooth face would have more surface area to come in contact with the ball.

What is the most important role of a slope in golf?

The most important role of a slope is leveling the playing field for players of different skill levels. For example, let's say Player A and Player B average 85 strokes each for 18 holes.

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What is the mountain effect in golf?

As short-game guru Stan Utley explains, "Putts break because of gravity." If there's a mountain to your right and a lake to your left, the land will typically slope from right to left—and that's the way a putt will tend to break. The era of the golf course you're playing has a lot to do with this general rule.

Why do golf balls go towards the ocean?

Its because of the grass. On certain golf courses the grass is very wirey (it could be bent grass but not sure) which gives it a grain. This grain alway grows towards the sea, hence the ball tends to be pushed towards the sea by the grain, even on a flat green.

Does the ocean pull the golf ball?

Think of an old golf course along the ocean, or on a river, or even on a natural pond. Everything will kind of funnel or drain toward that pond. That's why it's full of water. I think the idea that the ball is pulling that way is just because the land may be gently sloping that way.”

How do you read Green grains?

0:121:18Golf Instruction Zone: Reading the Grain on the Greens - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe ball is then going to fall towards the green. So if I put this ball right here I know that myMoreThe ball is then going to fall towards the green. So if I put this ball right here I know that my ball is going to fall towards that green right there.

Do golf balls decompose?

An estimated 300 million golf balls are lost or discarded in the United States every year, according to research by the Danish Golf Union. Because it can take golf balls 100 to 1,000 years to decompose, scientists say, they present a major environmental risk to the planet.

How many golf balls are lost each year in the world?

Because losing golf balls is a global pandemic! 300 million golf balls are lost every year in the US alone. The global number of golf balls lost in a year could easily be double or more at around 600 million when you consider that there are 66 million golfers globally, and most of them play at a 16 handicap or worse.

How many golf balls are in the ocean?

According to Webber's research, there is an estimated two to five million golf balls that are littering the seafloor of Stillwater Cove.

How many golf balls are lost per round?

According to some digging in an article from GOLF's own Dylan Dethier, avid golfers lose 1.3 balls per round. If you're playing frequently, that can add up quick. But you don't have to lose balls each and every time you get out to the course.

What is a fall line in golf?

The fall line of a putt is the true downward direction of the slope of the green. It connects the highest point of the rim of the hole to its lowest point. In other words, it is the exact, straight-line direction water would flow down the slope.

Why do golfers hold up their putter?

Golfers hold the putter up in the air when using the 'plumb bob' method to read greens. By holding the putter in the air, they are trying to create an exact vertical line between the putter handle, shaft, clubhead (using gravity), ball and hole, which can help them determine which way their putt will break.

How do you tell if a putt is against the grain?

0:262:51How to Read the Grain of the Green to Help your Putting | John CollinsYouTubeStart of suggested clipEnd of suggested clipThe grass is quite rough. So this will then show you the direction. The grain of the grass isMoreThe grass is quite rough. So this will then show you the direction. The grain of the grass is growing there for the ball will always go towards the rough side of the hole.

Can you touch the green before putting?

There is no longer a penalty for merely touching the line of play on the putting green (the term “line of play” applies everywhere on the course including the putting green, and the term “line of putt” is no longer used).

Why does a golf ball fly at high altitudes?

The golf ball flies further in high altitudes mainly due to the change in air density, which decreases as elevation increases. Thinner air exerts less drag force on the ball. The ball moves more easily through the air and doesn't slow down as quickly as it flies, resulting in greater distance.

Why is gravity reduced at higher elevations?

The notion of reduced gravity at higher elevations is technically true, because the strength of gravity decreases with increased distance from the center of the Earth. When playing golf in Denver, for example, we are about a mile farther from the center of the Earth than we are when playing in Los Angeles.

How far can you drive a golf ball at sea level?

If you normally drive the ball 250 yards at sea level, you will likely drive it 265 yards in Reno. The golf ball does not spin any less at high elevation. However, because the air is less dense and imparts less force on the ball, the lift force is also lower.

What is a hook in golf?

A hook or slice is generated when the ball's spin axis is tilted and the lifting force pulls a little to the left or right (as a result of the golfer imparting some amount of sidespin to the ball) instead of straight up.

What is the effect of the spin of a ball on the trajectory of an airplane?

Thus, at higher elevations the trajectory is less influenced by lift, and thus has a "flatter" shape and a more glancing impact with the ground.

How much does gravity decrease on Mount Everest?

However, that results in only a tiny reduction in gravity. Even on the top of Mount Everest the gravity is only reduced by about 1/4 of one percent. There are greater variations (around 1/2 percent) due to factors such as latitude or local variations in the Earth's makeup, and nobody worries about that.

Does elevation affect golf ball aerodynamics?

This means, on short approaches and greenside shots, you don't have to adjust for elevation.

Why do you use grooves on golf balls?

They allow water and debris to move away from the ball’s point of contact to provide cleaner contact with better control. Striking a ball from the rough can be unpredictable when there is a lot of debris between your club and the ball. Grooves help tremendously to make these shots more predictable.

Why did the PGA use the U groove?

In turn, because the rough shots were so “easy”, the PGA took action .

What is the difference between a grooveless and a smooth face golf club?

The smooth face would have more surface area to come in contact with the ball. More surface area means more friction and therefore more ball spin. From a perfectly clean lie with no obstructions between the ball and the club face, a grooveless club will always out spin a club with grooves.

What happens when you shoot from the rough?

But when you're shooting from the rough, grooves make a massive difference. When a player strikes a ball from the rough, there is lots of debris between their club and the ball: soil, sand, grass, and water are the main culprits.

What is a roll back in golf called?

In golf jargon, this roll back is called “check”. Many players mistakenly attribute the ball “checking-up” to the grooves on the club face.

Does a smooth face golf ball have more surface area?

The intuition is correct that the more “grab” on the ball at the point of impact, the more it will spin. Many people don't know that a club face with no grooves would actually put more spin on the ball. The smooth face would have more surface area to come in contact with the ball. More surface area means more friction and therefore more ball spin.

What do you need to know about golf?

It is also not a bad idea to know a few of golf’s basic rules: Familiarize yourself with the official way to drop a ball, to take relief from an unplayable lie, what to do if your ball is out of bounds and what to do if you hit your ball into a hazard.

How to putt golf?

A good, basic putting posture is to bow from your hips, have your eyes over the ball and your arms hanging below your shoulders. After that, remember that your back stroke length controls distance .

How many golf balls should I have in my bag?

Beginner golfers need to be prepared with the necessary tools that you’ll use on the course. You should plan on having six to 12 golf balls in your bag, a golf glove (if you wear one) and tees and a ball marker in your pocket and ready to go. Being ready to go when it’s your turn to hit is an important part of golf.

What is the hardest shot to hit in golf?

Sand shots are some of the hardest for beginner golfers. And like we talked about earlier: Remember that to hit the ball up, you need to hit the ground. This means overriding any instinct you have to lifting the ball up, and commit to hitting the sand instead.

Does stroke length affect distance?

After that, remember that your back stroke length controls distance. In other words, smaller strokes make the putter swing slower and larger strokes help the putter swing naturally faster. And while this may be extremely basic, it can help with the concept that stroke size controls distance and get you started.

Do you need to hit a chip to play golf?

Be able to hit a basic golf chip. As a beginner, you need to be able to hit a basic chip, This shot doesn’t need to be perfect and as a newer golfer, I would not expect you to have perfect distance control. Your goal is to have a go-to shot when you’re close to the green.

Can you use a hybrid golf club over a fairway wood?

Once you tee off and your ball is on the ground in the fairway, new golfers may have a comfort level with one club over the other — you may prefer your hybrid over a fairway wood, for instance.

What is the role of slope in golf?

The most important role of a slope is leveling the playing field for players of different skill levels. For example, let's say Player A and Player B average 85 strokes each for 18 holes. But Player A's average is established on a very difficult course (say, a slope rating of 150), while Player B's average is established on a much easier course (say, a slope rating of 105). If handicaps were simply estimates of golfers' average scores, then these two players would have the same handicap index. But Player A is clearly the better golfer, and in a match between the two Player B would clearly need some strokes.

What is slope rating in golf?

Slope rating (a term trademarked by the United States Golf Association) is a measurement of the difficulty of a golf course for bogey golfers relative to the course rating.

What is the minimum slope rating for 18 holes?

The minimum slope rating is 55 and the maximum is 155 (slope does not relate specifically to strokes played as course rating does). When the slope rating system was first put into effect, the USGA set the slope for an "average" golf course at 113; however, not many 18-hole golf courses have slope ratings that low.

Why is the handicap index lower for A and B?

Because he plays on a course with a higher slope rating, Player A's handicap index will be lower than Player B's (when it is calculated using the slope ratings), despite the fact that they both average scores of 85. So when A and B get together to play, B will get those extra strokes he needs.

What is the slope rating of a golf course?

Every set of tees on every course will have a Slope Rating and those numbers will vary between 55 and 155. The higher the Slope Rating, the greater the difference expected between the scores of those scratch and bogey golfers. A higher rating doesn’t necessarily mean that the course is more difficult than another.

How much handicap is a bogey golfer?

A bogey golfer is classed as about a 20 handicapper for a man , and 24 for a woman. The Slope Rating is then created by taking the difference between those two ratings and multiplying it by a predetermined factor. Every set of tees on every course will have a Slope Rating and those numbers will vary between 55 and 155.

What is slope rating?

Slope Ratings are described by the USGA as indicating the “measurement of the relative playing difficulty of a course for players who are not scratch golfers, compared to scratch golfers”. Every course in the UK is being assessed using a course rating system, which focuses on scratch and bogey golfers.

What factors determine slope rating?

England Golf, who are charged with bringing in the WHS in this country, say: “The most significant factors involved in determining Slope Rating are length, trees, rough and water hazards.

What does neutral rating mean in golf?

That probably doesn’t sound like much to you, but using that neutral rating means you can compare your WHS handicap index, and your potential, against any golfer in the world – regardless of whether they play at Pebble Beach or Powfoot. When WHS comes into effect, every score returned by every player, from every course, ...

Why do I have a purple mark on my golf ball?

“For those people, it can have a definite impact,” says Parent, who uses a purple mark on his ball because he likes the quality of richness it adds. Plus, few people use it, so it’s easier to identify.

What does the green dot on a golf ball mean?

A green mark that reminds them of nature or a blue mark that reminds them of a peaceful water scene might help them perform at their peak. “So the color of the dot or dash on a golf ball could be one more opportunity for players to gain a competitive edge.

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