U.S. Patent Specifications

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Publication date: 1 July 1960


An aircraft has a main lifting surface. This surface has a resultant lift force with a relatively forward position at subsonic velocities and a relatively rear‐ward position at supersonic velocities. Means are used to counteract the rearward shift of the resultant lift force upon attainment of transonic velocity by the aircraft. These means comprise auxiliary lifting surfaces forward of the main lifting surface movable from a position within the aircraft to a position exterior to the aircraft and in the air stream. Means responsive to aircraft velocity and operatively connected to the auxiliary lifting surfaces move the auxiliary lifting surfaces to the position exterior to the aircraft upon attainment of transonic velocity by the aircraft.


(1960), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 32 No. 7, pp. 214-214. https://doi.org/10.1108/eb033283

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Copyright © 1960, MCB UP Limited

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