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Polikarpov I-3
Polikarpov I-3 (Template:Lang-ru) was a 1920s Soviet fighter aircraft. It was a single-seat unequal-span biplane mainly of wood construction. I-3 was tested in 1928 and entered service with the Soviet Air Force in 1929 with about 400 built.[1]
DI-2 (Template:Lang-ru) was a two-seat variant with a revised tailplane with 8° dihedral tested in 1929. A small production batch was planned despite inadequate performance due to shortage of two-seat fighters but the contract was canceled after the prototype crashed due to stabilizer failure in a dive.[1]
Operators
Specifications (I-3)
Data from Shavrov 1985[1]
General characteristics
- Crew: One
- Length: 8.08 m (26 ft 6 in)
- Wingspan: 11 m (36 ft 1 in)
- Height: ()
- Wing area: 27.85 m² (299.8 ft²)
- Airfoil: Clark Y
- Empty weight: 1,400 kg (3,086 lb)
- Loaded weight: 1,846 kg (4,070 lb)
- Powerplant: 1× BMW VI V12 engine, 545 kW (730 hp)
Performance
- Maximum speed: 278 km/h (150 kn, 173 mph)
- Range: 585 km (316 nmi, 364 mi)
- Service ceiling: 7,200 m (23,620 ft)
- Wing loading: 66 kg/m² (14 lb/ft²)
- Power/mass: 295 W/kg (0.18 hp/lb)
- Time to altitude: 12.6 min to 5,000 m (16,400 ft)
- Horizontal turn time: 14 sec
Armament
Specifications (DI-2)
Data from Shavrov 1985[1]
General characteristics
- Crew: Two
- Length: 8.2 m (26 ft 11 in)
- Wingspan: 11.8 m (38 ft 9 in)
- Height: ()
- Wing area: 31.8 m² (342.3 ft²)
- Airfoil: Clark Y
- Empty weight: 1,557 kg (3,433 lb)
- Loaded weight: 2,122 kg (4,678 lb)
- Powerplant: 1× BMW VI V12 engine, 545 kW (730 hp)
Performance
- Maximum speed: 256 km/h (138 kn, 159 mph)
- Range: 510 km (275 nmi, 317 mi)
- Service ceiling: 6,300 m (20,670 ft)
- Wing loading: 67 kg/m² (14 lb/ft²)
- Power/mass: 257 W/kg (0.16 hp/lb)
- Time to altitude: 17.5 min to 5,000 m (16,400 ft)
Armament
References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
Template:Polikarpov aircraft Template:Soviet fighter aircraft
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| This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Polikarpov I-3". |
