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Polikarpov TsKB-15 / TsBK-19 / I-17


The TsKB-15 single-seat fighter prototype was a diminutive low-wing monoplane of slim configuration, powered by an imported 626kW Hispano-Suiza 12Y inline engine. With an inward-retracting undercarriage, it flew in September 1934 and was followed by the TsKB-19 with the M-100 (Soviet version of the Hispano engine). Armament comprised a 20mm cannon and four 7.62mm machine-guns. Production of a small number as the I-17-2 was reported, but it is not known if the type was used by first-line units. A third prototype (the TsKB-33) had reduced armament in an attempt to cut down weight and increase performance. The projected use of this version as a parasite fighter to be launched from a multiengined 'mother ship' was subsequently abandoned.

Engine: 1 x M-100, 550kW
Max take-off weight: 1915 kg / 4222 lb
Empty weight: 1710 kg / 3770 lb
Wingspan: 10.1 m / 33 ft 2 in
Length: 7.4 m / 24 ft 3 in
Wing area: 17.7 sq.m / 190.52 sq ft
Max. speed: 490 km/h / 304 mph
Cruise speed: 440 km/h / 273 mph
Ceiling: 9700 m / 31800 ft
Range w/max.fuel: 800 km / 497 miles
Armament: 1 x 20mm machine-guns, 4 x 7.62mm machine-guns
Bomb load: 100kg of bombs
Crew: 1


Polikarpov I-17



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