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X-53 Active Aeroelastic Wing (AAW) flight test, March 2005 To test the AAW theory, NASA and the USAF agreed to fund development of a single demonstrator, based on the F/A-18. Work started by taking an existing F/A-18 airframe modified with a preproduction wing, and added an outboard leading edge flap drive system and an updated flight control ...
An adaptive compliant wing is a wing which is flexible enough for aspects of its shape to be changed in flight. [1] [2] Flexible wings have a number of benefits.Conventional flight control mechanisms operate using hinges, resulting in disruptions to the airflow, vortices, and in some cases, separation of the airflow.
The Ryan XV-8 Flexible Wing Aerial Utility Vehicle (nicknamed Fleep, short for "Flying Jeep") was an improved version of the Flex-Wing.Both aircraft were built by Ryan Aeronautical Company in collaboration with NASA for the United States Air Force and the United States Army and tested in 1961 as a STOL patrol, reconnaissance, and light utility aircraft to transport people or freight when a ...
NASA needs to test the technology extensively, since planes with pliable wings are typically more susceptible to strong winds and vibrations. In fact, this recent round of testing only completed ...
In the 21st. century, new materials possessing both flexibility and strength are being experimented with, in order to merge control surfaces into the main wing surface. [1] [2] For example, a flexible wing flap has been test flown on a Gulfstream III. [3] Flexible aerofoils and control surfaces operate by regular deformation of the wing material.
I saw the wingtip of the B-52 static test airplane travel 32 feet (9.8 m), from the negative 1-G load position to the positive 4-G load position." The flexible structure allowed "...the wing to flex during gust and maneuvering loads, thus relieving high-stress areas and providing a smoother ride."
This is Video (Ogg Theora) This 30 second movie clip shows an inflight Active Aeroelastic Wing (AAW) test. Active Aeroelastic Wing is a two-phase NASA--Air Force flight research program to investigate the potential of aerodynamically twisting flexible wings to improve maneuverability of high-performance aircraft at transonic and supersonic speeds, with traditional control surfaces such as ...
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