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Siddeley S.R.2 Siskin


When, in January 1917, Capt F M Green became chief aeronautical engineer of the Siddeley-Deasy Motor Car Company, he began the design of a single-seat fighter, the S.R.2. A compact single-bay sesquiplane predominantly of wooden construction with fabric skinning, the S.R.2 was powered by a 320hp A.B.C. Dragonfly nine-cylinder radial engine. Armament comprised two synchronised 7.7mm machine guns.

A contract for six prototypes was reduced to three in mid 1918, the first of these flying in April 1919, by which time the fighter had been officially named Siskin. The first prototype Siskin was subsequently re-engined with an Armstrong Siddeley Jaguar, development in this form continuing after Siddeley Deasy acquired in 1921 the name and goodwill of Sir W G Armstrong Whitworth & Co Ltd, and the Armstrong Whitworth Siskin II emerging in 1922.

Max take-off weight: 989 kg / 2180 lb
Empty weight: 664 kg / 1464 lb
Wingspan: 8.38 m / 27 ft 6 in
Length: 6.48 m / 21 ft 3 in
Height: 2.97 m / 9 ft 9 in
Wing area: 22.95 sq.m / 247.03 sq ft
Max. speed: 233 km/h / 145 mph
Ceiling: 7255 m / 23800 ft



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