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Trouble with the I-1 monoplane led Polikarpov to design a new fighter as a biplane, and in 1927 the I-3 appeared. Powered by a 447kW M-17 engine, it entered production and service, later being supplemented but not replaced on production lines by the superior I-5. Several hundred I-3s were built.
| CREW | 1 |
| ENGINE | 1 x BMW-VI, 370kW |
| WEIGHTS |
| Take-off weight | 1863 kg | 4107 lb |
| DIMENSIONS |
| Wingspan | 10.311.0/9.0 m | 33 ft 10 in / 29 ft 6 in |
| Length | 8.1 m | 26 ft 7 in |
| Height | 4.1 m | 13 ft 5 in |
| PERFORMANCE |
| Max. speed | 280 km/h | 174 mph |
| Ceiling | 7200 m | 23600 ft |
| Range w/max.fuel | 580 km | 360 miles |
| ARMAMENT | 2 machine-guns |
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