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The deceleron, or split aileron, was developed in the late 1940s by Northrop, originally for use on the
XF-89 Research Report
The deceleron, or split aileron, was developed in the late 1940s by Northrop, originally for use on the F-89 Scorpion
The Northrop F-89 Scorpion was an American all-weather, twin-engined interceptor aircraft built during the 1950s, the first jet-powered aircraft designed for that role from the outset to enter service. Though its straight wings limited its per ...
fighter. It is a two-part aileron that can be deflected as a unit to provide roll
Roll or Rolls may refer to:
Movement about the longitudinal axis
* Roll angle (or roll rotation), one of the 3 angular degrees of freedom of any stiff body (for example a vehicle), describing motion about the longitudinal axis
** Roll (aviation) ...
control, or split open to act as an air brake. Decelerons are used on the Fairchild Republic A-10 Thunderbolt II and the Northrop Grumman B-2 Spirit flying wing. In differential use they impart yaw moment, potentially obviating the rudder and vertical stabilizer control surface, although requiring active flight control.
See also
*Spoileron
In aeronautics, spoilerons (also known as spoiler ailerons or roll spoilers) are spoilers that can be used asymmetrically as flight control surfaces to provide roll control.
Operation
Spoilerons roll an aircraft by reducing the lift of the ...
References
XF-89 Research Report
External links
Aircraft controls {{Component-aircraft-stub