Official Aluminum Greenspeed Regulation Stimpmeter for Golf & Putting Greens
||Measures the official "stimp" speed of any golf putting green
Shipping Weight: 5 lb.
Aluminum Greenspeed Stimpmeter
- Measures the
official "stimp" (ball roll) speed of any golf putting green.
- Simply mark a
spot on a flat area of the green and place the end of the meter on
- Put a golf
ball in the hole of the meter and slowly lift the end of the meter
causing the ball to roll out.
- Measure the
distance the ball rolls from the mark.
- Repeat this
- Find the
average measurement from the different tests. This average number
is the stimp meter speed of the putting green.
- Take the
stimp meter with you to various golf courses to check the stimp
speed of their greens.
- Learn how to
adjust your shots based upon the stimp speed of different
- This is a fun
tool to have as a training aid, but it can really impress your golf
buddies with your knowledge of official green speeds.
EASY TO USE!
One 10- or 12-foot
1 Select a level area on the green, approximately 10
feet by 10 feet. (A simple means of checking for al evel area is to
lay the stimpmeter on the green and place a ball in the V-shaped
groove - the movement of the ball will indicate whether or not the
area is reasonably level).
2 Insert a tee in the green, near the edge of the
area selected, to serve as a starting point. Holding the Stimpmeter
by the notched end, rest the tapered end on the ground beside the
tee, and aim it in the direction you intend to roll the ball. Put
the ball in the notch and slowly raise the end until the ball
starts to roll down the groove. Once the ball starts to roll, Hold
the Stimpmeter steady until the ball reaches the putting
Repeat the same procedure with two more balls, keeping the tapered
end on the same spot.
3 All three balls should come to rest not more than 8
inches apart. (Should they be farther apart than that, the
Stimpmeter may have moved too much during the series, the balls may
be damaged or of inferior quality, or unusual conditions may exist.
In any event, a pattern larger than 8 inches is of dubious
accuracy, and the three-roll series should be repeated.)
Assuming the balls stop within the prescribed 8- inch limit, insert
a second tee in the green at their average stopping point. The
distance between the two tees is the length of the first series of
4 Repeat Step 2, using the second tee as a starting
point and the first tee as an aiming point. (In other words, roll a
series of three balls along the same line, but in the opposite
5 Repeat Step 3, thereby establishing the length of
the second series of rolls. Step
6 Measure the two distances - for the first series
and the second series - and calculate their average. Record this as
the speed of the green.
the difference in length between the first and second series be
greater than 18 inches, the accuracy of the resulting average may
be questionable. The area selected for the test may not have been
sufficiently level - or sufficiently representative of the green -
in which case it is advisable to select another area and repeat the
test. Sometimes a green may be so severely undulating or sloping
that a level area is simply not available (which the data record
Selecting a reasonably level test area is important. Measurements
taken up or down a slope, over mounds, etc., will result in
Conditions during a test are important. Initially , test your
greens under optimum conditions - a cleanly mowed, dry, smooth
surface on a calm day. Once this basic speed has been established,
you can then document speeds as they vary under unusual conditions:
windy days, wet surfaces, non-mowed, recently topdressed , time of
day, before and after fertilizer applications, etc. The data thus
accumulated will lead to a better understanding of how different
management practices affect the speed and consistency of each green
on your golf course.
Practice makes perfect. A relatively small amount of practice in
using the Stimpmeter will increase the accuracy and consistency of
Keep thorough records. Obviously, complete and accurate record,
maintained over extended periods, are the most useful.
The Stimpmeter is an extruded aluminum bar, 36 inches long, with a
V-shaped groove extending along its entire length. It has a
precisely milled ball-release notch 30" from the tapered end (the
end that rests on the ground). The underside of the tapered end is
milled away to reduce bounce as a rolling ball makes contact with
Known as the father of the Stimpmeter, Edward S. Stimpson, left,
was an accomplished golfer. (USGA Photo
The V-shaped groove has an included angle of 145 degrees, thereby
supporting a golf ball at two points ½" apart. A ball rolling down
the groove has a slight overspin, which is thoroughly consistent
and has no deleterious effect on the ensuing measurments.
The ball-release notch is designed so that a ball will always be
released and start to roll when the Stimpmeter is raised to an
angle of approximately 20 degrees. This feature ensures that the
velocity of the ball will always be the same when it reaches the
Although the Stimpmeter is sturdily built, it is a precision
instrument and should be protected from damage. When not in use, it
should be stored in a plastic tube or case. Even relatively slight
damage to the release notch or to the groove may cause
Once the Stimpmeter is put into use
at your course and the resulting information is analyzed and acted
upon, the possibilities for improved playing conditions are
virtually endless. Green speeds for individual golf courses should
remain up to the course officials, with the input of the
superintendent, of each facility.
Stimpmeter Readings on American golf
courses generally range from 7 feet to 12 feet, depending on many
factors (e.g. Slope, Contours, Green Size, Grasses, Weather,
Budgets etc.). Experience shows that trying to keep the speed above
10 feet on a consistent basis usually causes difficult-to-manage
turf problems and is not recommended.
The manner in which putting greens
are managed has a tremendous influence on their speed and
consistency. Most of these factors are known to some degree, but
almost all are worthy of research. Following are some of the major
variables that using the Stimpmeter will help us to understand more
height and frequency of cut are extremely important
considerations. The mower's bench setting is no guarantee that
greens are cut at a prescribed height. More over the condition of
the mowers; the type of mowers (floating or rigid cutting units);
attachments such as Wiehle rollers, groomers, brushes, and combs;
all can make a difference in the cut and green speed. So does
double-cutting, verticutting and rolling. The precise effect of
each of these factors can be measured with the Stimpmeter.
practices and surface moisture (dew) are crucial to
green speeds. Moist turf will be slower than dry turf at any mowing
practices can be studied, such as the effects of rate
and frequency of application, nitrogen source, and nutrient
sometimes a deterrent to uniformity of speed. How grain is affected
by changes in direction of cut, use of vertical mowing equipment,
riding versus single unit mowers, etc., can be studied a they
relate to green speed.
The effects of aeration, spiking, and topdressing can be measured,
both before and after treatments.
Speed variations among the different grasses presently used for
putting greens can be documented.
By keeping good records, you will be better able to observe,
determine, and explain variances in green speed throughout the year
and compensate for them. For example, in spring, when Poa annua
produces excessive seedheads, greens can be slower and more bumpy.
Your records will serve as a reminder to topdress, begin vertical
mowing, or schedule other practices calculated to help maintain the
desired speed and consistency.
Knowing the speed of the greens may
assist in determining whether a hole location is fair or unfair. A
green so fast (or a hole cut in such a position) that a ball cannot
be stopped near the hole from any point on the green, for example,
is an unfair challenge.
Championship greens should be fast
and uniformly paced, firm but resilient. They should place a
premium on well-executed shots, while exacting a penalty for less
Close daily mowing, a light nutrient
program, proper irrigation scheduling, a good topdressing schedule,
and a minimum of thatch are the accepted means of achieving
excellent greens. The test for determining whether a surface is
properly firm but resilient is the type of ball mark that results
from a distance shot onto the green. If the turf within the
ball-mark depression holds together, the green has the firmness
required of a championship green.
Strive for championship conditions
only for limited periods of time, principally for important club
events. Turfgrass failure is common when championship conditions
are maintained for too long or when adverse weather conditions
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10/19/2012 -- Is a stimpmeter a handheld device? (As opposed to a static device with a standard sloping angle that will produce more accurate . . .
12/13/2009 -- Do you know what the stimp speed is for a average amature Colorado course?
7/15/2009 -- What makes this an "official" Stimpmeter? How does it differ from what the USGA uses? Is it the exact same one that the . . .
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