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Aspect ratio (aeronautics) An ASH 31 glider with very high aspect ratio (AR=33.5) and lift-to-drag ratio (L/D=56) In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord. It is equal to the square of the wingspan divided by the wing area. Thus, a long, narrow wing has a high aspect ratio, whereas a short, wide wing ...
Wing configuration. The Spitfire wing may be classified as: "a conventional low-wing cantilever monoplane with unswept elliptical wings of moderate aspect ratio and slight dihedral". The wing configuration of a fixed-wing aircraft (including both gliders and powered aeroplanes) is its arrangement of lifting and related surfaces.
A330-200 planform view, showing its 10.06 wing aspect ratio and 30° wing sweep Eight-abreast, 2–4–2 economy class The fly-by-wire A330/A340 retains the A320's six-screen glass cockpit. The A330 is a medium-size, wide-body aircraft, with two engines suspended on pylons under the wings.
The Boeing 787 Dreamliner is an American wide-body airliner developed and manufactured by Boeing Commercial Airplanes. After dropping its unconventional Sonic Cruiser project, Boeing announced the conventional 7E7 on January 29, 2003, which focused largely on efficiency. The program was launched on April 26, 2004, with an order for 50 aircraft ...
The ratio of the length (or span) of a rectangular-planform wing to its chord is known as the aspect ratio, an important indicator of the lift-induced drag the wing will create. [7] (For wings with planforms that are not rectangular, the aspect ratio is calculated as the square of the span divided by the wing planform area.)
The Airbus A320 family is a series of narrow-body airliners developed and produced by Airbus. The A320 was launched in March 1984, first flew on 22 February 1987, and was introduced in April 1988 by Air France. [3] The first member of the family was followed by the stretched A321 (first delivered in January 1994), the shorter A319 (April 1996 ...
However, the four engines of the A340-200/300 burn more fuel than the A330-200/300. The wings were designed and manufactured by BAe, which developed a long slender wing with a high aspect ratio for a higher aerodynamic efficiency. [71] [a] The wing is swept back at 30 degrees, allowing a maximum operating Mach number of 0.86.
"Electric aircraft generates buzz at Oshkosh air show". Chicago Tribune. August 1, 2010. "Air show examines hybrid airliners". United Press. Aug 2, 2010. "NASA, Boeing Test Low-Drag Truss-Braced Wing Concept: High-aspect-ratio, truss-braced wing promises marked fuel savings". Aviation Week & Space Technology. Aviation Week Network. January 27, 2014