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BALL TRAJECTORY (ALL MODELS)
The trajectory of a ball is regulated by adjusting the angle
of the robot head. The angle can be changed from low to
high. At its lowest setting, the ball will be delivered so it
first strikes the robot's side of the table, bounces over the
net, and lands on the player's side of the table (just like a
serve). At its highest setting, the ball will be delivered in a
high arc over the net (like a lob return).
The trajectory is adjusted by loosening the Brass Knob
on the right side of the robot head, tilting the head to the
desired angle and then re-tightening the Brass Knob (see
Figure 4). For reference, there are head angle indicators
next to the Brass Knob (see Figure 5).
FIGURE 4
ADJUSTING HEAD ANGLE
Robot Head
FIGURE 6A
Robot Head
FIGURE 6B
Robot Head
FIGURE 6C
Robot Head
FIGURE 6D
Loosen Brass Knob
(66) To Adjust Angle
Of Head Up Or
Down.
DO NOT FORCE!
INCORRECT ROBOT HEAD ANGLE,
ROBOT "RETURNING"
CORRECT ROBOT HEAD ANGLE,
ROBOT "RETURNING"
INCORRECT ROBOT HEAD ANGLE,
ROBOT SERVING
CORRECT ROBOT HEAD ANGLE,
ROBOT SERVING
8
WARNING: DO NOT adjust the head angle when the
head is moving side to side. Failure to follow these instructions
will likely result in broken parts and may void your warranty.
The ball trajectory setting is directly related to the Ball
Speed setting. When the head is set so the ball first strikes
the robot's side of the table (robot "serving"—see Figures
6C & 6D), maximum Ball Speed is 3–5. As the Ball Speed is
turned up, the head must be angled up to deliver the ball
so it first strikes the player's side of the table (robot
"returning"—see Figures 6A & 6B). As the Ball Speed is
turned up even more, adjust the head angle down to pre-
vent the ball from being thrown off the end of the table.
Angle Pointer
67
Brass Knob
FIGURE 5
HEAD ANGLE INDICATORS
Robot head is tilted too high, resulting
in ball being thrown off the end of the
table.
Same ball speed as Figure 6A, but
now robot head is tilted down so the
ball lands on the table.
When robot is set to serve onto its
side of table first, and the head angle
is too severe, the ball will rebound
abnormally high.
Same ball speed as Figure 6C, but
head angle has been raised slightly
so ball stays low to the net. With
robot serving, maximum ball speed is
limited to 3–5 before ball is thrown off
the end of table.
71
Head Angle
Indicators
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