Heli-Max HMXE0250 - Manual (Page 26)

THROTTLE SETUP
❏
1. Make sure that the transmitter and receiver are “ON”
and the sticks are centered. Put a servo arm in place, making
sure that one side is perpendicular to the servo.
❏
2. Remove the arm and using a pair of wire cutters, clip
off the three unused sides. Install a metal control ball into
the servo arm at 13mm from center (third hole out from
center on Futaba arms). Using thread locker, install the
2mm nut onto the back side of the ball and tighten.
❏
3. Verify the throttle pushrod is 90mm long. Install the ball
link onto the throttle arm. Make sure that the throttle arm on
the engine is straight up and down when the stick is at half
throttle. The O.S. .50 SX-H Hyper has indentations on the carb.
❏
4. Leave the other side of the linkage loose. Move the
throttle to idle and verify the throw is correct and does not bind.
Move the throttle to full and place the linkage over the control
ball. Verify that the servo is traveling the proper distance. If
necessary use the radio’s End Point Adjustments.
❏
5. Install the servo arm screw.
TAIL ROTOR SERVO
❏
1. With the transmitter and receiver turned on, make sure
the gyro is centered. (Use Normal mode instead of Heading
hold.) Place a servo arm onto the servo and verify the arm
is perpendicular to the servo.
❏
2. Remove the arm and using a pair of wire cutters, clip
off the three unused sides. Install a metal control ball into
the servo arm at 17.5mm from center (fourth hole out from
center on Futaba arms). Using thread locker, install the
2mm nut onto the back side of the ball and tighten.
❏
3. Install the servo arm screw. Move the T/R stick to full
left. Hold the pushrod ball link over the control ball and verify
the servo throw is correct. Balance the left and right throws
by adjusting the pushrod length. Make sure the pushrod
does not bind when moving either direction. Try to keep the
gyro limit near 100
% by adjusting the length of the servo
arm. Your goal is to have maximum mechanical throw
without binding and have the gyro limit at 100
% .
90mm
( S ketch not to s c a le)
1 3 mm
26