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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. Because it allows the aircraft's shape to be changed, it is a feature of a variable-geometry aircraft.
Its wing is cantilevered and tapered from wing root to wing tip. The VJ-23 lands and takes off on foot, but the aircraft is equipped with small wheels to allow it to be pulled up a hill. The aircraft's rigid wing structure requires that it be transported in a trailer, rather than rolled up and carried on a roof rack like a hang glider. [1] [2]
Current (2010) aircraft have the 74 kW (99 hp) Rotax 912 ULS flat-four with a two-bladed propeller. [5] The Swing has a fixed undercarriage, which may be of either tricycle or tailwheel configuration. [5] The aircraft has been accepted in the United States as a special light-sport aircraft. [2] [3]
One problem with the forward-swept design is that when a swept wing yaws sideways (moves about its vertical axis), one wing retreats while the other advances. On a forward-swept design, this reduces the sweep of the rearward wing, increasing its drag and pushing it further back, increasing the amount of yaw and leading to directional instability.
This category is for aircraft designed, manufactured or marketed by Swing Flugsportgeräte. Pages in category "Swing aircraft" This category contains only the following page.
The first variable-sweep aircraft from Dassault emerged as the single-engined, two-seat Mirage G fighter in 1967, essentially a swing wing version of the Mirage F2.The wings were swept at 22 degrees when fully forward and 70 degrees when fully aft and featured full-span double-slotted trailing edge flaps and two-position leading edge flaps.
A straight-winged North American FJ-1 flying next to a swept-wing FJ-2 in 1952.. There are three main reasons for sweeping a wing: [1] 1. to arrange the center of gravity of the aircraft and the aerodynamic center of the wing to coincide more closely for longitudinal balance, e.g. Messerschmitt Me 163 Komet and Messerschmitt Me 262.
A variable-sweep wing (swing-wing) is a type of pivoted wing that takes advantage of the aerodynamics of a swept wing at high speeds while swinging straight to avoiding the drawbacks of such a design at lower speeds.