Ball Speed
Topspin and Backspin
A high level of either topspin or backspin will slow the ball speed. To
increase ball speed reduce the amount of spin on the ball. A default speed
setting of 20 will be set for spin levels higher than 7.
Alternating Fast and Slow Shots
The serving wheels can speed up faster than they can slow down. If you
want to set quick shots followed by slow shots, please set long feed
intervals between shots to give the machine time to slow down, or add a
mid speed shot in between.
For example, if you want
Ball #1 speed = 19 (fast)
Ball #2 speed = 12 (medium)
Then set feed rate to around 4 which will take 6 seconds for the machine to
slow down and allow for slower second ball.
Or set ball #2 to speed = 1, which will then make the ball machine slow
down quicker.
Dirt and Ink Build Up on Throwing Wheels
Excess dirt and ink on the throwing wheels can cause slow and inconsistent
ball throws. See the Maintenance and Cleaning section for more details.
Ball Placement During Oscillation
Position the machine on the baseline to adjust the angle if the machine is
favoring one side more than the other. If there is a strong cross wind over
the court you may have to face the machine facing more towards the wind
direction to allow for strong wind affecting ball direction. Making these
adjustments will make the machine throw balls evenly across the court
during horizontal oscillation modes.
Section 5: Additional Information
14
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