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Four basic configurations which have used vortex lift are, in chronological order, the 60-degree delta wing; the ogive delta wing with its sharply-swept leading edge at the root; the moderately-swept wing with a leading-edge extension, which is known as a hybrid wing; and the sharp-edge forebody, or vortex-lift strake. [7]
A delta wing is a wing shaped in the form of a triangle. It is named for its similarity in shape to the Greek uppercase letter delta (Δ). Although long studied, the delta wing did not find significant practical applications until the Jet Age , when it proved suitable for high-speed subsonic and supersonic flight. [ 1 ]
Nose, wing and ventral strakes Vortices over the wing strakes of an F/A-18E Super Hornet. In aviation, a strake is an aerodynamic surface generally mounted on the fuselage of an aircraft to improve the flight characteristics either by controlling the airflow (acting as large vortex generators) or by a simple stabilising effect.
The first supersonic delta to receive a drooped nose was the Fairey Delta 2, a British experimental high-speed aircraft. Nicknamed "Droop Snoot", [ 1 ] the Delta 2 featured a relatively long tapered nose, which smoothly flowed into its cylindrical cross-section fuselage , to generate a high level of aerodynamic efficiency. [ 2 ]
The chine lift increases with the square of the Mach number, helping counterbalance the rearward shift in the lift of the main wing in supersonic conditions. If a tailless (Delta) wing is trimmed for safe subsonic flight, at high speeds it gains excess trim drag in pitch and becomes excessively stable resulting in poor manoeuvrability. The ...
Ogival delta wing fitted to a Fairey Delta 2 to test the Concorde design. Boeing X-32: US: Supersonic: Fighter: 2000: Prototype: Tailless JSF contender. Boulton Paul ...
The Avro Canada CF-105 Arrow was a delta-winged interceptor aircraft designed and built by Avro Canada.The CF-105 held the promise of Mach 2 speeds at altitudes exceeding 50,000 feet (15,000 m) and was intended to serve as the Royal Canadian Air Force's (RCAF) primary interceptor into the 1960s and beyond.
The wing and rear horizontal control surfaces of the base F-16A were replaced with a cranked-arrow delta wing 115% larger than the original wing. [15] Extensive use of graphite-bismaleimide composites allowed the savings of 595 pounds (270 kg) of weight, [ 16 ] but the F-16XL-1 and XL-2 were 4,100 pounds (1,900 kg) and 5,600 pounds (2,500 kg ...