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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.
 | A three-view drawing (1280 x 878) |
| CREW | 1 |
| ENGINE | 1 x M-100, 550kW |
| WEIGHTS |
| Take-off weight | 1915 kg | 4222 lb |
| Empty weight | 1710 kg | 3770 lb |
| DIMENSIONS |
| Wingspan | 10.1 m | 33 ft 2 in |
| Length | 7.4 m | 24 ft 3 in |
| Wing area | 17.7 m2 | 190.52 sq ft |
| PERFORMANCE |
| 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, 100kg of bombs |
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