Motor
Select the Motor drop down menu button to assign
the motor function to any control stick or switch.
The Motor option in the sailplane type defaults to
Inhibit.
Four mixes are enabled in the Mixing menu in
the Model Adjust list when the model type is set
to Sailplane; Aileron > Rudder, Aileron > Flap,
Elevator > Flap and Flap > Elevator.