Revista de Engenharia Aeronáutica e Aeroespacial
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Structure and Characteristics of a Delta Wing

Srikanth Nuthanapati

A triangle-shaped wing is referred to as a delta wing. It gets its name from its resemblance to the Greek uppercase letter delta (). Despite extensive research, it did not find widespread application until the Jet Age, when it proved suited for high-speed subsonic and supersonic flight. At the opposite end of the speed spectrum, the Rogallo flexible wing proved to be a workable design for hang gliders and other ultralight aircraft. The delta wing shape provides distinct aerodynamic properties as well as structural advantages.