Today we went to visit a local driving range and I had the chance to see how Zepp Golf works. It consists of a software and a sensor (dual accelerometers and 3-axis gyroscope) that measures speed and movement. The software analyzes your swing not only in written form but also it shows graphically in form of an animation. You can see the backswing, club plane or hand plane. All this you can see from any angle you want (you can rotate the model of you by sliding your finger in one or another direction).
In order to make this work you need to connect the sensor (that you put on your glove) with your device be it iphone, ipad or android device and then set the application. You can set your name, age etc but also your goals. Then you just set a club you are going to use and you are ready to go. Then you swing and after you hear a beep the data is stored on the device. If you have the device in your pocket it will also measure rotation of your hips.
You can view your swings individually or see average of your session (bellow is screenshot of one of my swings). It shows overall score, Club Speed, Club Plane, Hand Plane, Tempo, Back Swing, Hand Speed and Hips. Follows the description of the metrics from the application.
For golf professionals, a typical driver clubhead speed is 110-115 mph (177-185 kph) and for women professionals, it’s 90-100 mph (145-161 kph). Most "average" golfers don't approach those speeds. A typical recreational male is swinging somewhere in the neighborhood of 85 mph (137 kph), while a typical amateur female golfer is about 65 mph (105 kph).
Club Plane
This measures how closely your backswing plane matches your downswing plane. Ideally, the higher the percentage, the better the golf swing.
Most professionals are at 90-100 percent matching. Amateurs have a much harder time matching the backswing to the downswing. Most have a downswing that comes “over” the plane, causing a steep downswing and a ball flight that slices.
Hand Plane
Hand Plane Comparison measures the path your hands make in the backswing compared to the path they make on the downswing. Ideally, the higher the percentage, the better the golf swing.
Hand Plane Comparison is important because the club head will follow where the hands go. Most professionals are at 90 -100 percent matching. Amateurs have a much harder time matching hand path. The majority have a hand path that comes “over” the plane causing a steep downswing and a ball flight that goes right.
Tempo
Tempo is the ratio of the measured time in seconds it takes to make a back swing versus the measured rate of time in seconds it takes to make a downswing until impact. Tempo is the natural rhythm and timing of the swing. You want your swing to not only happen in a timely manner but in a consistent way with every swing.
A golf professional’s average time for the backswing is 0.82 seconds, with an additional 0.27 seconds to make the down swing to impact. That is an ideal ratio of 3:1. Most amateurs get into trouble with inconsistent changing tempo from swing to swing. Usually your downswing time in the Tempo screen is consistently the same. It’s your backswing time that is the culprit, changing from swing to swing.
I have problems with going up with club...
Backswing
This is the measurement of degrees of the angle of the club shaft between address and the top of backswing. It is measured by the change in angle at address to the angle at the top of the swing. At address the club is at zero (0) degrees. At the top of the swing it is 270 degrees.
I need to work on this^^
Hand Speed
This is a measure in miles per hour (MPH) or kilometers per hour (KPH) of how fast your hands are traveling at the point it impacts the golf ball.
For golf professionals, a typical hand speed is 24-26 mph and for women professionals, it’s 18-20 mph. Most "average" golfers don't approach those speeds. A typical recreational male is swinging somewhere in the neighborhood of 16-17 mph, while a typical amateur female golfer is about 13- 14 mph.
Speed certainly is not my problem...
Hips
Hip Rotation measures the degrees you rotate your hips on the backswing and then the degrees of rotation at impact. The reason why Hip Rotation is important is because that is where most of the power in a golf swing comes from.
The average golf professional has an average hip rotation of 45 degrees closed to the target at the top of the backswing, and at impact, they rotate their hips to an average of 42 degrees open (facing the target). Most amateurs, under rotate their hips on both the backswing and the downswing.
Overall this gadget looks like a good thing. At least for those who are capable of using the data to improve. I know now what I do wrong by just seeing the numbers. Even though the animation shows a lot (not that much in my case). If this is worth 150USD that's up to you, but in my opinion this is something that can really help and improve your game.
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