Swept wing
Videos
A swept wing is a wing angled either backward or occasionally forward from its root rather than perpendicular to the fuselage.
The Sukhoi Su-47 being followed by two Su-27s. The Su-47 uses a forward wing sweep, while the Su-27s sport a more conventional backward-swept design.
A straight-winged North American FJ-1 flying next to a swept-wing FJ-2 in 1952
LET L-13 two-seat glider showing forward swept wing
Grumman X-29 experimental aircraft, an extreme example of a forward swept wing
Variable-sweep wing
Videos
A variable-sweep wing, colloquially known as a "swing wing", is an airplane wing, or set of wings, that may be modified during flight, swept back and then returned to its previous straight position. B
Swept wing
…used on jet aircraft designed to fly at these speeds. The term "swept wing" is normally used to mean "swept back", but variants include forward sweep, variable sweep wings and oblique wings in which one side sweeps forward and the other back. The delta wing is also aerodynamically a form of swept wing. There are three…
Two Dassault Mirage G prototypes, the upper one with wings swept
A Grumman F-14 Tomcat testing an unusual asymmetric wing configuration, a possible in-flight failure case, showing one wing at minimum sweep and one at maximum sweep
The F-111 was the first variable-sweep wing aircraft to be put into production. Shown are three Australian F-111s.
F-111E on display at the Museum of Aviation, Robins AFB, United States