basic

The most basic rc airplanes will only have rudder control; the rudder is the moveable hinged section of the vertical stabiliser, or fin, at the rear end of the airplane. It controls the left/right directional movement of the airplane, or yaw; when the rudder deflects left the plane turns to the left and when the rudder deflects right the plane turns to the right.
The elevator is the moving hinged section of the horizontal stabiliser, or tailplane, also at the rear of the airplane. Elevators control the pitch attitude of the airplane - whether the nose of the plane is pointing up, down or level.

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