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Stabilator

Aviation SSBStabilisers

Stabilator
Stabilator. A single-piece horizontal tail surface on an airplane that pivots around a central hinge point. A stabilator serves the purposes of both the horizontal stabilizer and the elevators.

 


Stabilator
A tail surface that acts as both stabilizer and control surface.

STABILATOR - A movable horizontal tail that combines the actions of a stabilizer and elevator, increasing longitudinal stability while creating a pitching moment.

The stabilator has more upward movement than downward because the plane flies with the nose lower than its ground attitude. The reason for the stabilator pivot point is to provide for pitch stability.

Pitch trim is controlled by an anti-servo tab affixed to the trailing edge of the stabilator. Pivot the stabilator by hand and watch the trim tab: It moves in the same direction as the trailing edge of the stabilator, only more so.

Stabilators Stabilators are control surfaces which provide both horizontal stability and pitch control for the aircraft.
Rudder A Rudder is a control surface connected to the vertical stabilizer and used to yaw the aircraft.

We do this by moving the pitch control which changes the incidence or the curvature ("stabilator plus elevator" type tail) which modifies the magnitude of the tail force so that we obtain an increase in up force on the horizontal tail producing a ...

The horizontal surface (stabilator) feature a trim tab/servo mounted on the trailing edge. This tab services the dual function of providing trim control and pitch control forces.
The rudder is conventional design and incorporates a rudder trim.

On some aircraft, the horizontal stabilizer and elevator are combined into one movable unit called the stabilator or sometimes "flying tail" (see Anderson, John D., Introduction to Flight, 5th ed, p 517).

See also: Aircraft, Flight, Landing, Power, Pitch