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The Miles M.77 Sparrowjet was a twin-engined jet-powered racing aeroplane built by Miles Aircraft by fitting Turboméca Palas jets to the prototype Miles Sparrowhawk. The conversion commenced in December 1950 and the Sparrowjet first flew on 14 December, 1953. Other modifications included a new tail section and front fuselage (in place of the Sparrowhawk's single engine), fixed, faired undercarriage and a large clear canopy. The wing roots were modified to take the Palas engines which delivered 330 lb of thrust at sea level.
The Sparrowjet won the SBAC Challenge Cup at Yeadon, West Yorkshire in 1956 and the King's Cup in 1957 with a top speed of 228 mph. In 1964 the Sparrowjet was destroyed in a hanger fire.
Related content
Related development:
Miles Sparrowhawk
Comparable aircraft:
Designation sequence:
M.69 -
M.71 -
M.75 -
M.77 -
M.100
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