Deceleron

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File:An A-10 Thunderbolt II from Selfridge Air National Guard Base, Michigan, prepares to land on a public highway in Alpena, Michigan, August 5, 2021.jpg
An A-10 Thunderbolt II with its decelerons opened

The deceleron, or split aileron, was developed in the late 1940s by Northrop, originally for use on the F-89 Scorpion fighter. It is a two-part aileron that can be deflected as a unit to provide roll control, or split open to act as an air brake. Decelerons are used on the Fairchild Republic A-10 Thunderbolt II, and in turn to a stabilizer the Northrop Grumman B-2 Spirit flying wing.[1] In differential use they impart yaw moment, potentially obviating the rudder and vertical stabilizer control surface, although requiring active flight control.

See also

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content."NORTHROP FLYING WINGS-PART 1" (PDF). United States Department of Defense. Retrieved 19 Oct 2025.

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