F-8 Supercritical Wing (SCW) in Flight

NASA Armstrong Flight Research Center HD 0:00:32


F-8 Supercritical Wing (SCW) in Flight
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Date of publication:
25.07.2017 16:39 25.07.2017 16:39
Duration:
0:00:32
Source Video:
https://youtube.com/watch?v=jwjYd0JJvHo

Description:

This 31-second video from 1971 shows the the F-8 Supercritical Wing conducting a test flight and landing at Edwards Air Force Base in Californias Mojave Desert. The F-8 Supercritical Wing was a flight research project designed to test a new wing concept designed by Dr. Richard Whitcomb, chief of the Transonic Aerodynamics Branch, Langley Research Center, Hampton, VA. Compared to a conventional wing, the supercritical wing (SCW) is flatter on the top and rounder on the bottom with a downward curve at the trailing edge. The Supercritical Wing was designed to delay the formation of and reduce the shock wave over the wing just below and above the speed of sound (transonic region of flight). Delaying the shock wave at these speeds results in less drag. Results of the NASA flight research at the Flight Research Center, Edwards, CA, (now the Armstrong Flight Research Center) demonstrated that aircraft using the supercritical wing concept would have increased cruising speed, improved fuel efficiency, and greater flight range than those using conventional wings. As a result, supercritical wings are now commonplace on virtually every modern subsonic commercial transport. Results of the NASA project showed the SCW had increased the transonic efficiency of the F-8 as much as 15 percent and proved that passenger transports with supercritical wings, versus conventional wings, could save $78 million (in 1974 dollars) per year for a fleet of 280 200-passenger airliners. The F-8 Supercritical Wing (SCW) project flew from 1970 to 1973. Dryden engineer John McTigue was the first SCW program manager and Tom McMurtry was the lead project pilot. The first SCW flight took place on March 9, 1971. The last flight of the Supercritical wing was on May 23, 1973, with Ron Gerdes at the controls. Original wingspan of the F-8 is 35 feet, 2 inches while the wingspan with the supercritical wing was 43 feet, 1 inch. F-8 aircraft were powered by Pratt & Whitney J57 turbojet engines. The TF-8A Crusader was made available to the NASA Flight Research Center by the U.S. Navy. F-8 jet aircraft were built, originally, by LTV Aerospace, Dallas, TX. Rockwell Internationals North American Aircraft Division received a $1.8 million contract to fabricate the supercritical wing, which was delivered to NASA in December 1969. To learn more about the F-8 Supercritical Wing project visit: https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-044-DFRC.html

F-8 Supercritical Wing (SCW) in Flight

F-8 Supercritical Wing (SCW) in Flight

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