Delta wing
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Delta winged aircraft use elevons as primary flight controls for
roll and pitch.
Elevon: Delta winged aircraft can not use conventional 3 axis flight control systems because of their unique delta shape.
DELTA WING - When viewed in plan has the shape of an isosceles triangle; the apex leads, the wing trailing-edge forming the base of the triangle.
DERATED - An engine which is restricted to a cower output below its potential maximum.
For a delta wing the CG should be located 10% ahead of the geometrically
calculated AC point as shown above.
The MAC of an elliptical wing is 85% of the root chord and is located at 53% of
the half wingspan from the root chord.
The delta wing, while excellent for a fast-climbing interceptor, meant that any form of turning combat led to a rapid loss of speed.
On a delta wing the elevators and ailerons are mixed and known as elevons.
(hence Avro) laid down the lines for his first biplane before WWI, it was unlikely that he expected his company would someday (in the 1950s) be building something as sinister and magnificent as the Vulcan. With its huge, butterfly-like delta wings ...
 See also: Flight, Aircraft, Plane, Wing, Speed
  
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