Futaba GY520 - Manual (Page 27)

27
T
AIL
R
OTOR
S
ERVO
I
NSTALLATION AND
S
ETUP
7.5mm
Smaller Electric Helis
(250, 300, 450 and 500)
Larger Electric and
All Nitro Helis
13.5mm
❏ Follow the instructions within the GY520 programming section
and set the servo limits for the tail rotor servo. Hold the tail
rotor linkage over the linkage ball to avoid damaging the servo.
Once the limits are set you can place the linkage onto the
linkage ball. When using AVCS mode the optimum setup is to
have 0° of pitch with the tail rotor servo centered and use all of
the available pitch range available in the tail without binding.
❏ Turn the receiver power off to exit programming mode and then
turn the receiver power back on. Once the gyro has completed
initialization move the tail rotor stick to the right on the
transmitter and verify that right (clockwise rotation) tail rotor
pitch is inputted to the tail rotor blades. If left tail rotor pitch
is inputted to the tail rotor blades, then it will be necessary to
reverse the tail rotor channel in the transmitter.
❏ Pick the helicopter up by the main shaft and rotate the mechanics
counter-clockwise (from the top). The gyro should compensate
by adding clockwise rotation pitch to the tail rotor blades. If the
gyro compensates by adding counter-clockwise rotation pitch to
the tail rotor blades then it will be necessary to reverse the Gyro
Compensation Direction setting within the gyro (refer to the
GY520 Programming section earlier in this manual).
If you are going to fly AVCS Heading Hold mode exclusively,
then the gyro setup is now complete.
Y520 Mnl.indd 27 Y520 Mnl.indd 27 4/7/2009 7:55:07 AM 4/7/2009 7:55:07 AM