Control Horn And Servo Arm Factory Settings; Flight Controller Wiring - Horizon Hobby SR-71 Blackbird Twin Instruction Manual

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Control Horn and Servo Arm Factory Settings

The table to the right shows the factory settings for the control horns and servo
arms. Fly the aircraft at factory settings before making changes.

Flight Controller Wiring

All the functions of this aircraft are handled in the flight controller. If you need to
remove the flight controller it needs to be reinstalled in the same orientation as
originally mounted. The servo connectors should be at the rear of the receiver,
facing down.
12
Factory Settings
Control Horns
Aileron servos goes through the center hole
The control horns all
feature a single
mounting point for
the ball link. There
is no adjustablity
The elevator linkage includes two pushrods
in these linkages
which both operate from the sliding tab on
because the
the servo. The right elevator has a Z bend
SR-71® has been
and goes in the middle hole. The left elevator
finely tuned and we
do not recommend
changing the control
configuration.
Reference the following diagram for servo and motor connections.
Servo Ports
1 = No Connection
2 = Nose Wheel Steering
3 = Right Aileron
1 2 3 4 5 6
4 = Elevator
5 = Left Aileron
6 = No Connection
SR-71 Blackbird® Twin 40mm EDF
Servo
The Z bend for the pushrod going to the
on the servo output.
has a U bend and goes in the rear hole.
Motor Connections
No Connection
Antenna