Armstrong Whitworth AW.171
The Armstrong Whitworth AW.171 was a British project of the 1950s to develop a supersonic VTOL flying wing aircraft. It was planned to investigate the extremely low aspect ratio delta wings proposed by Professor A.A. Griffith for supersonic transports. The A.W.171 design was a very slender delta flying wing powered by two Bristol Orpheus turbojets mounted at the wingtips, with 10 Rolls-Royce RB.108 lift jets. The pilot was to lie in a prone position to minimise drag. Work was cancelled in 1957 before a prototype was completed.
Data from Paper Planes:Armstrong Whitworth's unbuilt projects
- Crew: 1
- Length: 70 ft 10 in (21.59 m)
- Wingspan: 17 ft 7 in (5.36 m)
- Gross weight: 17,500 lb (7,938 kg)
- Powerplant: 2 × Bristol Orpheus turbojet dry, 4,850 lbf (21.6 kN) with afterburner
- Powerplant: 10 × Rolls-Royce RB108 turbojet (lift jets), 2,100 lbf (9.3 kN) thrust each
- Maximum speed: Mach 2.0
- Aircraft of comparable role, configuration and era
- Williams 1991, pp. 72–73.
- Williams, Ray. "Paper Planes:Armstrong Whitworth's unbuilt projects". Air Enthusiast, Forty-three, 1991. ISSN 0143-5450. pp. 60–79.
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