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<Ball speed (final speed measurement)>
● Position the device 3.5 feet behind the net, and pitch towards the net.
Ensure that anyone in the surrounding area is safe before pitching, and pay sufficient
*
care to rebounds off the net.
The standard installation layout shown below assumes that you are pitching a baseball.
*
When using a softball or other type of ball, there may be cases in which measurements
cannot be made, even when setting the device in the position shown below.
3.5 ft
● When making measurements during pitching practice, position the device behind the catcher
(in the position where the umpire would stand).
*In some cases, measurements cannot be made where the course of the incoming ball takes
it into the shadow of the catcher.
Image of measurement using a tripod
The speed that can be measured using the device in the installation position shown above is the
speed of the ball directly before it is caught by the catcher. This is
by the
batter, and can be said to be an important factor in determining the quality of a pitch. Although
the actual percentage may differ depending on ball type and the amount of spin applied to the ball,
final ball speed is typically
ball as it leaves the pitcher's hand).
投手の手元速度
(Conceptual image)
Explanation of on-screen display(Radar gun mode)
Final speed: 63 mph
About final ball speed
around 5–10% slower
10
Guide as to approximate scope for
which measurement is possible
3.5 ft
Device
Image of measurement being made by a
the ball speed actually experienced
than the pitching speed (i.e. the initial speed of the
3.5 ft
coach
Initial speed: 70 mph
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