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Flying wing is the generic designation given for a fixed-wing aircraft configuration which is capable of stable, controllable flight without the aid of lifting surfaces other than the main wing itself, that is, without auxiliary surfaces such as "tails" and "canards".

In it strictest sense, the Flying Wing also lacks a fuselage, or has only a rudimentary fuselage 'pod' barely extending from the wing itself. In this layout, most of the payload is transported inside the main wing, the latter comprising most of its structural volume. A pure flying wing also lacks any vertical stabilizers, although some aircraft commonly known as 'flying wings' have a vertical tail fin, vertical tail surfaces or a set of vertical stabilizers on the back part of their wings to help their stability in turns.

The less restrictive designation of "tailless aircraft" includes the flying wing aircraft, but also all aircraft without stabilizers or canards, but with a full-length payload bearing fuselage, such as delta aircraft.

Historically, the flying wing has been defended by many as potentially the most efficient aircraft configuration from the point of view of aerodynamics and structural weight. Such a notion usually comes from the idea that the absence of any aircraft components other than the wing should naturally provide those benefits. On the other hand, the aircraft's wing should be able to provide flight stability and control "by itself", a requirement which in principle imposes additional constraints to the wing design problem. Therefore, the expected gains in weight and drag reduction may be partially or wholly negated due to design compromises needed to provide stability and control.

UNIT 6

Tail Group

<== попередня сторінка	\|	наступна сторінка ==>
Writing	\|	THE TAIL GROUP

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