variable sweep

variable sweep

An aircraft in which the sweep of the wings can be controlled from the cockpit by the pilot. The wings have little or no sweepback at lower speeds, and the sweepback increases as the speed increases. See also variable-geometry aircraft.
References in periodicals archive ?
We've already seen variable sweep wings in supersonic military aircraft, but the weight penalty in these planes was unacceptably large.
Eight Pilots, nine engineering officers and 55 airmen of IAF left for Soviet Union on 01 Sep 1980 for conversion training on MiG-23 variable sweep fighters.
The variable sweep of the OFW, according to DARPA, allows for efficient operation at both low and supersonic speeds and excellent flexibility for future military missions requiring rapid deployment, long range, and endurance.
In a brief review, it is not feasible to trace the many steps to hypersonic flight which this volume does so clearly: breaking the sound barrier (a most significant psychological breakthrough), variable sweep wings, the ill-fated supersonic transport (SST), and the shift from aeronautics to space research.
Baer-Riedhart began working with NASA in 1974 and has since worked on the F-18 High Angle-of-attack Research Vehicle program, the Optical Air Data System project, the Joined Wing Research Aircraft, the F-14 Variable Sweep Transition flight experiment, the JetStar Laminar Flow Control program, the F-15 Highly Integrated Digital Electronic Control program and the F-11 Transonic Aircraft Technology program.
He later made the first flight of the variable sweep wing F-111, plus the first wing sweep demonstration and the first F-111 supersonic mission.
Johnson, who resides in Aledo, Texas, made the first flight of the variable sweep wing F-111, plus the first wing sweep demonstration and the first F-111 supersonic mission.

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