Polikarpov I-17
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Polikarpov 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.

Polikarpov I-17A three-view drawing (1280 x 878)

 ENGINE1 x M-100, 550kW
    Take-off weight1915 kg4222 lb
    Empty weight1710 kg3770 lb
    Wingspan10.1 m33 ft 2 in
    Length7.4 m24 ft 3 in
    Wing area17.7 m2190.52 sq ft
    Max. speed490 km/h304 mph
    Cruise speed440 km/h273 mph
    Ceiling9700 m31800 ft
    Range w/max.fuel800 km497 miles
 ARMAMENT1 x 20mm machine-guns, 4 x 7.62mm machine-guns, 100kg of bombs

sven, 09.09.2016

The huge fillet on the fuselage wing joint is likely to have caused unpleasant handling and contrary to appearances a lot of drag.

CRoW56, 09.09.2014

This aircraft has sweet lines and looks like it would be fast and handle well. Why was it abandoned?

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