You will often hear golfers refer to green speeds by just stating a single number,such as when somebody says the greens are ‘running at a 10’. That means that the greens are running out an average of10 feetwhen measured using the Stimpmeter.
What makes a good golf green?
In golf, successfully managed greens are often associated with speed. Speed alone, however, does not symbolize a good or healthy golf green. Several components are essential to an ideal putting surface and influence green speed. Resiliency, uniformity, smoothness, and firmness contribute to overall green speed.
What is a lightning-fast green speed in golf?
A green speed of 7 is generally considered very slow and is slower than a green speed of 9 (a moderate speed). A stimp rating of 13 or 14 is considered lightning-fast. Most PGA Tour venues have green speeds of around 12. How the Stimp Number Is Determined
How do golf courses measure green speed?
A golf course’s superintendent or tournament officials measure green speed by rolling balls down the Stimpmeter onto a flat part of a green. How far the balls roll determines the stimp rating. If a ball rolls 11 feet after leaving the ramp, that green is stimping at 11. Yes, it really is that simple.
What is a good green speed on the PGA Tour?
The higher the stimp, the faster the greens A green speed of 7 is generally considered very slow and is slower than a green speed of 9 (a moderate speed). A stimp rating of 13 or 14 is considered lightning-fast. Most PGA Tour venues have green speeds of around 12.
What is the most important thing to know about green speed measurements?
One of the most important things to know about green speed measurements is that they should not be used to compare one golf course with another. A green speed that is perfect for one course could be way too fast for a course down the road that has steeper green contours or golfers with different skill levels. There are simply too many variables involved to make reasonable comparisons.
How to maintain fast greens?
In addition, courses that maintain faster greens typically invest heavily in improving putting green growing environments by removing trees and enhancing drainage. The investments required on a daily and yearly basis to deliver faster green speeds are substantial, and beyond the budget of most golf courses.
What is putting green?
Putting greens are comprised of living plants that change and perform differently from season to season and even day to day. Temperatures, humidity, rainfall and routine maintenance practices all influence daily green speed. Maintaining the same green speed throughout the year is impossible, and letting a target number dictate management practices is a recipe for damaged greens and undesirable playing conditions.
What is a stimpmeter?
It’s called a Stimpmeter. It’s an ingeniously simple device – basically, a notched, V-shaped metal rail. The USGA sells its official Stimpmeter only to golf course superintendents or managers, so you’ll have to obtain one through other means (such as an online auction site or retailer).
What makes a greens putt faster?
Strong winds. Unlike the first two points on our list, wind is one weather condition that will actually serve to speed up the greens. If a strong wind kicks up during your round, moisture is going to be pulled out of the putting surfaces – and your putts will become faster as a result.
What happens when you start a golf round early?
Dew evaporation. When you start your round early in the day, you may encounter some dew on the first few holes. This dew is not a big deal, although it will cause the greens to be a bit slower than they would be otherwise. Of course, that means the greens are going to speed up as the day goes on and the dew evaporates away. As you see the dew get lighter and lighter, plan on the greens playing faster as a result.
How high are the greens in the PGA Tour?
For comparison’s sake, the greens on a typical public golf course “Stimp” at about 8 – 8.5”. On the PGA Tour, greens are routinely 11′ – 12′, and sometimes 14′ or higher for the Masters, U.S. Open and a few other events.
How to determine green speed?
To come to a final determination on green speed, add up these numbers and divide by six. This number, stated in feet, is the speed of the green according to the Stimpmeter. You will often hear golfers refer to green speeds by just stating a single number, such as when somebody says the greens are ‘running at a 10’.
When was the Stimpmeter invented?
The Stimpmeter is a piece of golf maintenance equipment that was developed in 1935 by a man named Edward Stimpson. The device is extremely simple, and it has a very simple job to do. Basically, up until 1935, there was no way to accurately measure the speed of the greens on a golf course.
How to mark a starting point for a putting test?
One easy way to mark your starting point is by placing a tee into the putting surface. Place the ball into the notch in the Stimpmeter, and raise the device slowly until the ball falls out of the notch and rolls away. When the ball has come to a rest, measure the distance that it has traveled. This is your first reading.
What type of grass is used in golf greens?
The majority of golf course greens in the UK are composed of a mixture of grasses ranging from colonial Bent grass ( Agrostis sp .), Fescue ( Festuca sp .) and Annual Meadow Grass ( Poa annua ). The Bent and the Fescue grasses are the desirable species, as they provide the best year round surfaces to putt on. However, Annual Meadow Grass is a ubiquitous species and is generally found in most fine turf situations. This species grows in clumps and patches and is susceptible to disease attack and is generally considered to produce poorer greens.
Why are my greens so slow?
Therefore if the Greens staff have pressure put on them to reduce the height of cut this can actually, in the long run, make them poorer greens and ultimately slower greens.
What is the USGA green speed?
The USGA guidelines set out for green speeds are achievable with good management techniques and if the course manager is not pressurised to significantly reduce heights of cut. The Stimp meter can be used to good effect to measure consistency from one green to the other not to see how fast the greens can get up to.
How to manage golf greens?
Golf greens can be managed to produce firm, true putting surfaces without the need to cut them down to excessively low heights. Some of these routine treatments include: light and frequent top dressing, regular light verti cutting treatments, good surface and sub surface drainage, a balanced minimal nutrient input, and minimal use of irrigation.
How to measure golf green speed?
The distance the ball rolls is measured which can then give an assessment of the current speed of the green.
What is the most contentious issue in golf?
Golf green speed is probably one of the most contentious issues on the golf course, and one which can give the course manager the biggest headache.
Can creeping bent grass be cut down?
In recent years the industry has seen the introduction of new ‘creeping’ Bent grass varieties that can be cut down to 2- 3mm and can produce extremely fast greens. The ‘jury’ is still out on these new cultivars. There is no doubt that they can produce good greens but some experts feel that they are not particularly suited to UK conditions.
How does a Stimpmeter measure green speeds?
Particularly during major championships, you might hear a commentator or see a graphic mention the word Stimpmeter in conjunction with green speeds. Usually it’s something like, "The greens are running an 11 on the Stimpmeter today."
What is a stimpmeter?
The Stimpmeter is the way golf tournament directors and grounds keepers measure green speed. It might sound like a Stimpmeter is a really fancy piece of equipment. It’s not. Effectively, a Stimpmeter is a beveled yardstick on which a golf ball can be placed and then rolled down it.
What is green speed?
Green speeds in golf are a measure of how quickly a golf ball will roll on a putting surface on a golf course. In major championship golf, host courses typically play with faster green speeds than standard professional tournaments (though that’s not always true). The green speeds in events on major professional tours are typically substantially faster than what a golfer would experience at the average public course and even as private clubs.
When was the stimpmeter invented?
USGA technical director Frank Thomas introduced the organization’s version of the Stimpmeter in 1978 . The USGA released another version in 2013, based on work by senior USGA researcher Steven Quintavalla. The modern Stimpmeter accounts for increasing green speeds because there aren’t many flat portions of championship greens that are 12-15 feet in length. The current model has the ability to perform a shorter roll-out test to still reliably get green speeds.
How wide is a stimpmeter?
To be a little more precise, the modern Stimpmeter is a 36-inch aluminum bar that is 1.75 inches wide and has a 145-degree, V-shaped groove running the entire length of the bar. The V-groove supports the rolling ball at two points a half-inch apart.
How fast does a stimper go down?
As the bar is raised and the angle increases to approximately 22 degrees, gravity naturally takes the ball down the Stimpmeter at a speed of 6 feet per second.
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What is the fastest green speed?
The higher the stimp, the faster the greens. A green speed of 7 is generally considered very slow and is slower than a green speed of 9 (a moderate speed). A stimp rating of 13 or 14 is considered lightning-fast. Most PGA Tour venues have green speeds of around 12.
How has the stimp rating changed in golf?
Stimp Ratings Have Changed in Golf Over the Years. In general, stimp rating s have gotten higher, meaning the green speeds have gotten faster over the years since the Stimpmeter was invented in the 1930s and since the United States Golf Association adopted the tool for measuring green speeds in the 1970s. For example, in 1978 the greens …
What does a putting green’s stimp mean?
The "stimp" or "stimp rating" of a putting green is a numerical value that represents how fast the golf ball rolls on the putting surface. Golfers call this rating the green speed.
What does it mean when a golfer talks about how fast the greens are?
When golfers talk about how fast the greens are or the speed of the greens, they are referring to how easily the golf ball rolls across the green and, therefore, how hard they have to putt the ball to reach the hole.
What does the higher the stimp mean?
The Higher the Stimp Rating, the Faster the Greens. The stimp rating of green is given in the form of a number, which can be a single digit or reach into the lower teens. The key concept is this: The lower the stimp, the slower the greens. The higher the stimp, the faster the greens.
How low can a green stimp?
Today it is almost unheard of for major championship greens to stimp lower than 11 or 10, unless weather conditions, such as high winds in the British Open, make such speeds unfair or even unplayable.
What was the green speed in the Masters in 1978?
For example, in 1978 the greens at Augusta National, host course of The Masters, stimped below 8; by 2017, greens speeds at The Masters were typically around 12 or higher, depending on weather conditions. In 1978, the greens at Oakmont, which has been host to the U.S. Open numerous times, stimped below 10; by 2017, they were 13 or higher.
How to tell if your irrigation system is wideband or narrowband?
Your handheld remote is probably the most vulnerable. If it is more than 12 years old it is probably wideband. To check, look at your FCC license or call your distributor. If it is wideband, you will need to modify your license and upgrade your radios. Unfortunately, many superintendents during this process have discovered they have no FCC license for their radios. Remember UHF and VHF radios require a FCC license to operate. If your system is a 900 MHz system, then no license is required. So if you have no license, then it’s time to get one and this can be expensive.
What frequencies are required for SCADA?
These regulations require old wideband radio frequencies (25 kHz wide channels) be reduced to 12.5 kHz). This applies to all UHF and VHF frequencies between 150-512 MHz (VHF) and 150-174 MHz (VHF). It also affects any repeaters you might have on your communication system. Lastly, it applies to SCADA systems, so if your system incorporates SCADA communication technology you will need to update that, as well. This is not new news as the FCC announced the requirement back in 1999, but as time gets closer you need to make sure you are compliant as radios are a big part of many golf courses irrigation systems communications.
Why is speeding up greens important?
Speeding up greens takes away good-quality hole locations. That makes the game easier for the better player since most holes will eventually end up near the middle of the green. And while we’re talking about the Stimpmeter, just who is taking the readings? Does this person really know what he’s doing? I can speak with authority on this subject…as can my knees.
What are the effects of stress on turfgrass?
And don’t forget the other effects of stress: hair loss, lack of sleep, and unhappy families.
What does it mean when a golf course has fast greens?
Pace of play. Faster greens mean slower rounds and a snail’s pace of play, particularly at daily-fee and resort courses. Even private clubs will notice slower rounds on busy days. Consider investing in some lights for night golf.
What is the expression when I was growing up that sums it all?
There was a popular expression when I was growing up that sums it all: Speed Kills. In our industry, it can get you fired.
What are the design features of a golf course?
Design. Green size, surface contours, pitch and slope – these design features affect green speed and the ability to set hole locations. Any pre-1960 golf course, built when green speed was not an issue, presents challenges due to undulations and the era’s construction methods.
Why is a smooth surface better than a hard green?
A smooth surface generates less friction, and thus, causes less resistance to ball roll. On a tough green, the friction created quickly reduces speed. Although the Stimpmeter is a much maligned device, used properly it can be a helpful tool in keeping green speeds constant. Firmness refers to the hardness of the green.
How to keep turfgrass upright?
Brushing. Brushing lifts turfgrass plants before they are mowed. This promotes a more upright and less leafy putting surface. Avoid brushing during periods of stress.
How does double cutting affect ball speed?
Multiple mowings per day, such as double cutting, can significantly increase ball speed (Fig. 2). Double cutting normally consists of mowing the green in one direction, then mowing again perpendicular to the first mowing. In our studies, double cutting usually increased green speed compared to a single cutting.
How does mowing affect green speed?
Frequent mowing promotes high shoot density and vertical leaf growth that results in a smooth putting surface. Research has shown that changes in mowing frequency can result in a temporary loss of green speed. Interruptions in mowing frequency are usually caused by wet conditions that limit mowing in poorly drained areas. Thus, adequate drainage can indirectly influence green speed by minimizing disruptions in mowing frequencies.
What are the components of a putting surface?
Several components are essential to an ideal putting surface and influence green speed. Resiliency, uniformity, smoothness, and firmness contribute to overall green speed. Resiliency is the capacity of the turf to absorb shock and affects the ability of a putting green to hold a properly struck golf shot.
When reducing mowing height, the height of cut should be gradually lowered over time?
Mowing heights should always be within the tolerance range of the variety being maintained. When reducing mowing height, the height of cut should be gradually lowered over time. A rapid reduction in mowing height often results in scalping.
What does "firm" mean in golf?
Firmness refers to the hardness of the green. The firmer the surface, the faster the green speed. Difficulty arises in maintaining greens firm enough to promote speed, yet soft enough to accept a well-struck golf shot.