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Sopwith 1 1/2 Strutter, by Sopwith Aviation Company

Main role: Fighter/Bomber

Engine: 1 Clerget 99.7 kW (130hp)

Armament: 2 x 7.7 mm machineguns

believed to have been thus nicknamed for the fact that its cabane struts appeared to be interplane struts cut in half, the 1 1/2 Strutter was the first British aeroplane fitted with an interrupted gun, complemented by a trainable gun in the rear cockpit. First flown in December 1915 with an 82 kW (110 hp) Clerget rotary, the type resulted from a naval requirement and showed such capability that large-scale production was undertaken with the naval and army designations Admiralty Type 9700 and Two-seater respectively. The type was produced in two- and single-seat forms, the latter being a bomber operated almost exclusively by the navy. Deliveries began in spring 1916, and total British production of 1513 1 1/2 Strutters was complemented by about 4500 French-built aircraft. Replacement with more agile fighters of higher performance began in July 1917. (source: The International Encyclopedia of Aircraft, Oriole Publishing, 1991)

Span: 10.21 m (33.5 ft)

Length: 7.97 m (26.1 ft)


Wing surface: 

Empty weight: 

Max. weight: 974 kg (2150 lbs)


Cruise speed: 

Max. speed: 161 km/h (100 mph)


Endurance: 3.75 hours

Climb rate: 

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