What is a CT test for golf clubs?
The CT test also measures the spring-like effect of a club face, except it uses a small, portable pendulum system that strikes the face with a steel ball. Sensors then read the amount of time the two objects stay in contact with each other.
What is the CT limit for a golf driver?
The governing bodies have set a CT limit for drivers of 239 microseconds. A microsecond is one-millionth of a second, so 239-millionths of a second is the prescribed limit on how much time that steel ball and the driver face can be in contact.
What does CG mean in golf?
Along with MOI (moment of inertia), COR (coefficient of restitution), and CT (characteristic time), CG has become a common acronym used in the world of golf in terms of equipment and on the television. But what exactly does it mean and how does it affect shots? We take a look below. What does it mean? RECOMMENDED VIDEOS FOR YOU...
What are the different terms used in golf?
The list, although not exhaustive, is designed to be a complete A to Z of all Golf Terms/Lingo used in golf. Ace – Otherwise known as a hole in one an ace is when the ball finds the hole from the tee in a single stoke. It is the dream of many golfers. Address – The way you stand and position your club before a shot is known as address.
What is a good CT for a driver?
Per the USGA and R&A rules, drivers cannot exceed a CT (characteristic time) reading of 257 – the limit is 239, but there's a tolerance of 18 -- or they are deemed illegal.
What is the CT test for golf clubs?
In 2004, the USGA moved to a different test, called the CT test. The CT test also measures the spring-like effect of a club face, except it uses a small, portable pendulum system that strikes the face with a steel ball. Sensors then read the amount of time the two objects stay in contact with each other.
What does C mean on golf clubs?
Essentially, CG is the point at which an object (in this case a golf club head) is perfectly balanced. The CG of a golf club head is typically very close to the center of the head, as you'd expect, but the exact CG location is extremely important.
What is coefficient of restitution in golf?
The coefficient of restitution of Object A is a measurement of Object A's ability to transfer energy to Object B when A and B collide. In a golf context, Object A in that scenario is the golf club, and Object B is the thing the golf club is striking—the golf ball.
What does Cor mean in golf clubs?
coefficient of restitutionIn 1998, the USGA implemented COR (coefficient of restitution) limitations on golf clubs. According to the rules, COR could not exceed 0.822 with a tolerance of 0.08, meaning any driver measuring over 0.830 was deemed illegal.
What is a high COR driver?
HIGH (COR) COEFFICIENT OF RESTITUTION DESIGN COR is the measurement of how a ball, slingshots off the face of a driver.
What does M stand for on a golf club?
"A" originally stood for "amateur." The "M" stands for "mature" or "medium." Also, of course, "S" is taken by "stiff."
What does G mean on a golf club?
A “GW” is an important club known as the gap wedge. As the name implies, it fills in the large distance gap found between your pitching wedge (PW) and sand wedge (SW), which occurs because of the large difference in the lofts of those two clubs.
What does P stand for on a golf club?
Drivers are available in a variety of lofts. Wedges typically don't have numbers. Instead that have letters such as P or PW for pitching wedge and S for sand wedge. The sand wedge, gap wedge and lob wedge might also be identified by the degrees of loft.
What is Cor in golf irons?
What is COR in golf clubs? COR stands for Coefficient of Restitution. This is defined as the ratio of the final velocity to the initial velocity between two objects after their collision. Basically COR is a measurement of the energy loss or retention when two objects collide.
What is MOI in golf?
An acronym, MOI stands for “moment of inertia.” MOI is measured in grams per centimeter squared and shows how much resistance a clubhead has to twisting. The more resistance it has, the higher the MOI reading and, importantly for golfers, the more forgiving the club will play.
What makes a golf driver illegal?
First, what is an illegal golf driver? Any golf driver that doesn't conform to USGA and R&A rules is considered illegal. The most common type of illegal golf drivers offer a high COR. A COR value above 0.83 (legal max) will offer more distance for most golfers that use it.
How long does it take to map a golf club head?
The problem with the test is, according to Olsavsky, is that it’s time consuming, taking about 45 minutes to map each club head. In 2004, the USGA moved to a different test, called the CT test. The CT test also measures the spring-like effect of a club face, except it uses a small, portable pendulum system that strikes the face with a steel ball.
Does the CT test always mimic a golf ball?
Olsavsky’s gripe is that the CT test doesn’t always accurately mimic the response of a golf ball.
Did Xander Schauffele fail the CT test?
As you may remember in 2019 ahead of The Open Championship, Xander Schauffele had a run-in with the R&A after his driver failed a CT test. During the aftermath of that ordeal, the PGA Tour implemented mandatory driver testing for the 2019-2020 season.
Is CT a replacement for COR?
Due to the differences in how the tests are setup and measured, however, the CT test is not a perfect replacement for the COR test, according to Olsavsky.
Is it illegal to use a CT test on a golf club?
Therefore, any golf club that measures higher than 257 milliseconds on the CT test is deemed illegal. The CT test, being that it’s just a small pendulum device, is “really easy to use,” according to Olsavsky. Actually, some OEM Tour Trucks that travel to PGA Tour events each week have a CT testing setup right in their truck.
What is the term for the grass on a putting green?
Carpet – Another golf term for the grass on a putting green.
What is an ace in golf?
Ace – Otherwise known as a hole in one an ace is when the ball finds the hole from the tee in a single stoke. It is the dream of many golfers.
What is bump and run golf?
Bump and Run – A chip shot around the green involving a low lofted iron. This type of chip is great for a large part of the green to work with.
What is the center of gravity in golf?
Center of Gravity – While this term can also be used to talk about a player it is generally related to the design and balancing of the golf club. To keep the concept simple, the farther back and lower the center of gravity (CG), the higher the trajectory will be according to the loft angle. This will give golfers an easier launch that generally has good backspin. Low handicap players do not need this advantage as much and tend to prefer a progressive CG with a higher CG on the longer irons.
What is a big dog in golf?
Big Dog – A Driver. Bite – A term used by golfers for a golf ball to stop rolling. Bladed Shot – A chip shot from just off the green purposely hit with the bottom of the club. Played often from when the ball rests against the collar of the green. Runs like a putt.
Why do golf balls have dimples?
Dimples – Golf balls have dimples to improve aerodynamics and regulate spin. The right number and design of dimples for your swing could improve performance. Divot – When striking the ball a chunk of turf from beneath the ball is often displaced. The remaining mark or hole is known as a divot.
What does "away" mean in golf?
Away – The player that is farthest away from the hole and is up to play.
Where does the term ‘golf’ come from?
Many believe it is derived from the Scots-language word “goulf”.
What is a forecaddie in golf?
Some think it comes from the golf term “forecaddie”, which is a person that stands in a forward position on each golf hole to pinpoint where the players’ balls go. “Forecaddies” are often in the line of fire and need to be warned when a ball is flying toward them.
What is an ace in golf?
An “ace” is one of the most coveted accomplishments in the golf. It is simply an alternate golf term for “ hole-in-one “, which is when a player needs only one shot to get his ball in the hole. Virtually all “aces” or “holes-in-one” occur on par 3s. That’s because all players are expected to reach the green on par 3s with their tee shot ...
What does ‘mulligan’ mean in golf?
A mulligan is a golf term that only applies to recreational golfers. Sometimes (and sometimes often) amateur players will hit a poor drive on the 1st hole, whether it is due to nerves or failing to warm up properly. Rather than start off on a bad note, golfers in casual games will sometimes “take a mulligan” and re-play their first shot with a new ball without counting the original bad shot.
What is the motion of the club that takes the club away from the ball?
Backswing: The motion that involves the club and every element of the body in taking the club away from the ball and setting it in position at the top of the backswing from which the club can be delivered to the ball at impact. (John Daly has an unusually long backswing that causes the club to go past parallel at the top of the swing).
What is a caddie?
Caddie: A person hired to carry clubs and provide other assistance. (A good caddie can be worth several strokes a round).
What is a bowed wrist?
Bowed: The position of the wrists at the top of the backswing in which the top wrist is bent slightly inward. (For many years, Tom Weiskopf had a bowed wrist at the top of his backswing). Break: The amount a putt will curve to the side because of the slope, grain and wind that affect the movement of the ball.
What does "aiming" mean in golf?
Aiming: The act of aligning the clubface to the target. (She had a problem aiming the club properly all day and missed several shots to the right of her target).
Why do baseball players use balata covers?
Many players prefer balata or balata-like covers because it provides a softer feel. And can provide increased spin. (Most of the players in the championship played with balata-covered balls). Baseball Grip: A grip in which all ten fingers are placed on the grip of the club.
What is the backspin of a golf ball?
Backspin: The rotational movement or spin of the ball produced by contact with the clubface. The greater the backspin, the higher the ball will fly and the more it will spin, and therefore stop or even spin backwards on impact with the turf.
What is the proper distribution of weight both at address and throughout the swing?
Balance: The proper distribution of weight both at address and throughout the swing. (Tom Watson's swing has always been characterized by perfect balance).
What is the meaning of "carry" in golf?
Carry - The distance a golf ball must travel from impact (the moment the golf ball leaves the clubface) to the point where it first hits the ground. Carry is especially important when judging the distance to the green over a hazard (water, bunker, etc.).
What does "chip" mean in golf?
Chip - A short, lofted shot, from around the green.
What does address mean in golf?
Address - the final position taken by a golfer just before the swing.
What is a course rating?
Course rating - The comparison of playing one course, as opposed to another, in terms of difficulty, used in U.S.G.A. handicapping. It is expressed in strokes or decimal fractions of strokes. The yardage of the course and the ability of a scratch golfer are the basis for determination.The higher the rating, the more challenging a course. At WCC, Ladies rating = 65.0 and Men's rating = 62.6.
What does it mean to sign a score card?
Attest - If you play in a tournament, you will submit your score card at the conclusion of each round. You will sign your score card as testimony that you stand behind the accuracy of those numbers you wrote onto the card. But there is another person who must also sign your score card. And that is one of the golfers who played with you and will vouch for the accuracy of your score card. To "attest" means to say that you were a witness to the score that someone else posted
What is a bunker in golf?
Bunker - A crater or hole in the ground filled with sand; derived from a Scottish word for a store place or receptacle. The American term is 'trap'. A bunker, as laid down by the rules of golf, is a hazard in which a player must not ground their club before striking the ball. Bye - A term used in tournaments.
What is the front foot of a golf ball?
The "front foot" is the left one, closest to the target. Back in the Stance - At address means that you stand with the ball closer to your right foot than to your left foot (right-handed golfer). When hitting a wedge, for instance, it is generally accepted that you should have the ball back in your stance.
What does it mean when a golf putt rolls around the cup?
Lip Out – When your putt rolls around the edge of the cup causing it to change directions. This is terribly frustrating because that means you almost made the putt! Slice – This is probably the most popular of golf terms as it relates to a player’s swing. A slice is occurs when a golfer puts excessive curve on the ball.
What is double cross in golf?
Double Cross – When a golfer intends to hit a fade, or a draw but does the complete opposite. For example, if a golfer wanted to hit a fade and then ends up hooking it. Instead of the ball flying from left to right, it goes from right to left. Gimme – When your putt is close enough to the hole that it is considered to be made.
What does it mean when a golfer says "I chunked it"?
Chunk – When a golfer says “I chunked it” that usually means that they made contact behind the golf ball, and their club had dug into the ground too deeply. Also could be referred to as hitting it fat. Greenie – If you are playing a gambling format like Nassau usually groups will make side bets.
What is sandbagging in golf?
Sandbagging – When a golfer claims they have a handicap that is much higher than their actual playing ability. If golfers compete against each other based on handicap this practice is frowned upon because that golfer will get extra strokes that they technically don’t deserve – don’t be a sandbagger, be honest!
What is a divot in golf?
Divot – The small piece (sometimes large) of turf that comes out when your club makes contact with the ground. Sometimes you don’t even need to take a divot. Flyer – When your ball is in the rough, but propped up a bit then you might have a “flyer” lie. This will cause the ball to travel farther than it normally does.
What is a block in golf?
Block – A block is when a golfer hits a shot directly to the right (for a right-handed golfer)
What is a snowman in golf?
A snowman is when you score an 8 on a hole. Worm Burner – When you strike a shot that barely gets off the ground and just rolls. Ace – Another word for a hole-in-one. Fore – The word you shout as loud as you can when you hit your ball in the direction of another golfer. You need to warn them!