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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, it did not find significant applications until the Jet Age , when it proved suitable for high-speed subsonic and supersonic flight.
In the close-coupled delta wing canard, the foreplane is located just above and forward of the wing. The vortices generated by a delta-shaped foreplane flow back past the main wing and interact with its own vortices. Because these are critical for lift, a badly-placed foreplane can cause severe problems.
Tailess VTOL delta wing. Hispano HA P-300 (HA-23P) Spain: Glider: Experimental: 1959/60: Prototype: 1: Developed into the Egyptian Helwan HA-300 tailed jet. Hoffman ...
Cropped delta: wing tips are cut off. This helps avoid tip drag at high angles of attack. The Fairey Delta 1 also had a tail. At the extreme, merges into the "tapered swept" configuration. Compound delta or double delta: inner section has a (usually) steeper leading edge sweep as on the Saab Draken. This improves the lift at high angles of ...
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 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 ...
The delta wing is mounted low and extends most of the length of the fuselage aft of the intakes, as with other Mirage fighters, and it has a single vertical tail but uses square section intake ramps with a linear shock plate rather than shock cones, as used on the North American A-5 Vigilante and Mikoyan-Gurevich MiG-25 unlike other Mirage ...
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]