13 Facts About Delta wing

Delta wing is a wing shaped in the form of a triangle.

At the other end of the speed scale, the Rogallo flexible Delta wing proved a practical design for the hang glider and other ultralight aircraft.

The delta wing form has unique aerodynamic characteristics and structural advantages.

Large surface area, low aspect ratio and structural strength design of the delta wing allows for better supersonic maneuverability in comparison to swept wing aircraft with the con of loosing more velocity when turning due to Lift-induced drag, leading delta wing aircraft to have good instantaneous maneuverability but poor sustained maneuverability.

Delta wing aircraft have poor aerodynamic performance at low speeds.

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Variants of the delta wing plan offer improvements to the basic configuration.

Conventional tail stabiliser allows the main Delta wing to be optimised for lift and therefore to be smaller and more highly loaded.

When used with a T-tail, as in the Gloster Javelin, like other wings a delta wing can give rise to a "deep stall" in which the high angle of attack at the stall causes the turbulent wake of the stalled wing to envelope the tail.

Practical delta wing was pioneered by German aeronautical designer Alexander Lippisch in the 1930s, using a thick cantilever wing without any tail.

The thin delta wing first flew on the Convair XF-92 in 1948, making it the first delta-winged jet plane to fly.

Dassault's interest in the delta wing produced the Dassault Mirage family of combat aircraft, especially the highly successful Mirage III.

When supersonic transport aircraft were developed, the tailless ogival delta wing was chosen for both the Anglo-French Concorde and the Soviet Tupolev Tu-144, the Tupolev first flying in 1968.

The flexible wing chosen for it was a delta and in use it billowed out into a double-cone profile which gave it aerodynamic stability.