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A fixed-wing aircraft may have more than one wing plane, stacked one above another: Biplane: two wing planes of similar size, stacked one above the other. The biplane is inherently lighter and stronger than a monoplane and was the most common configuration until the 1930s. The very first Wright Flyer I was a biplane.
The NASA Oblique Wing Research Aircraft, the predecessor to the AD-1. The first known oblique wing design was the Blohm & Voss P.202, proposed by Richard Vogt in 1942. [1] The oblique wing concept was later promoted by Robert T. Jones, an aeronautical engineer at NASA's Ames Research Center, Moffett Field, California.
Oblique wing on a NASA AD-1. An oblique wing (also called a slewed wing) is a variable geometry wing concept. On an aircraft so equipped, the wing is designed to rotate on center pivot, so that one tip is swept forward while the opposite tip is swept aft.
Fixed Wing Civil Aircraft Test Retired (1) Langley Research Center: Boeing 737, NASA 515. Fixed Wing Research, Terminal Area Productivity (TAP) Retired (1) 1974-2003 Langley Research Center: Museum of Flight: NASA 515 is the first Boeing 737 ever built. After being used to qualify the 737 design, NASA heavily modified the aircraft for ...
With Smith, R., and Summers, J., Transonic Longitudinal and Lateral Control Characteristics of an F-8 Airplane Model Equipped with an Oblique Wing, NASA TM X-73103, March 1976; The Oblique Wing — Aircraft Design for Transonic and Low Supersonic Speeds, Acta Astronautica, Vol. 4, Pergammon Press, 1977; With Nisbet, J., Aeroelastic Stability ...
The wings are longer than the ones on previous versions of that airplane—a design change that helps increase the craft’s overall fuel efficiency. NASA’s weird wing design could lead to ...
The most successful NASA experimental results were obtained on a quite low 6:1 aspect ratio wing (Grumman Yankee AA-1), with a DLE placed at 57% of the semi-span. As the vortices (inboard cuff and wing tip) are efficient on a limited span length (about 1.5 times the local chord), a DLE alone is unable to preserve enough outboard lift to keep ...
During 2011, the Environmentally Responsible Aviation Project at NASA's Aeronautics Research Mission Directorate invited study proposals towards meeting NASA's goal of reducing future aircraft fuel consumption by 50% compared to 1998. Lockheed Martin proposed a box wing design along with other advanced technologies. [16] [17]