forward swept wing

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forward swept wing

forward swept wing
X-29 a forward swept aircraft.
A wing plan form in which the wings are swept forward (i.e., the tips of the wing are ahead of the roots, unlike in sweptback wings). This plan form enjoys the same advantages as a swept-back wing but requires a lesser sweep. The wing performs better at subsonic speeds and near transonic speeds than a swept-back wing. The wing shock wave is more highly swept, giving reduced shock strength and wave drag. This offers improved maneuverability.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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New York (AirGuideBusiness - Business & Industry Features) The SR-10 (CP-10) is a single engine, all-composite jet trainer with a (moderate) forward-swept wing. It was eveloped by a private Russian design bureau called KB SAT, the aircraft features a rather unusual moderate forward-swept wing (FSW) scheme: although widely tested since 1936, the FSW has never found applications in fast jets, mainly because of the instability and structural problems induced by the design.
Its astonishing forward-swept wings were just one of its many bold innovations.
Planes with forward-swept wings, which are angled in the opposite direction of conventional wings, are rare, but the X-29 wasn't the first to employ them.
Forward-swept wings, however, force air to flow the opposite way, moving inboard from the wingtips.
It is the only aircraft that had forward-swept wings and explored this 'post stall' environment," said Gelzer.
Forward-swept wings have also been made obsolete by thrust vectoring, or the ability to physically move an engine to control the direction of its thrust, ensuring maneuverability even in case of stall.
25, 1997 -- five years after the X-29's final mission -- the Russian Air Force flew the Sukhoi Su-47, its own version of a fighter jet with forward-swept wings. Nicknamed "Berkut" (Russian for "golden eagle"), it was the result of a project that was launched in 1983, but was delayed due to the dissolution of the USSR.
Under the follow-on "six years' program," the fighter program is to enter the "full-scale development" stage, during which Sukhoi will build a production aircraft with integrated avionics and weapon systems (without forward-swept wings).