Variable-incidence wing

Variable-incidence wing

A variable-incidence wing has an adjustable angle of incidence in order to reduce landing and take-off distances. It was patented on March 20, 1912 (patent #444010) in Paris by Bulgarian inventor Georgi Bojinov.

The necessary components add extra weight to the aircraft and increase maintenance costs. In some aircraft the benefits outweigh the costs, and variable-incidence functionality is incorporated into the design, most notably with the F-8 Crusader, although other designs have used it, such as the Martin XB-51.

No modern aircraft has used this design since the F-8, and it was omitted from the derivative, subsonic A-7 Corsair II due to lower landing speeds and weights.

ee also

* Variable camber wing
* Variable-sweep wing


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