Sukhoi Su-1
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| Su-1/Su-3 | |
|---|---|
 Su-1 |
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| Type | High-altitude fighter |
| Manufacturer | Sukhoi |
| Designed by | Pavel Sukhoi |
| Maiden flight | 15 June 1940 |
| Status | Prototype |
| Primary user | Soviet Air Force |
| Number built | one Su-1, one Su-3 |
Sukhoi Su-1 or I-330 (Russian: Сухой Су-1) was a prototype Soviet high-altitude fighter aircraft built at the beginning of World War II. Su-3 (I-360) was an improved version of the original design.
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[edit] Development
In 1939, Sukhoi was tasked with designing a high-altitude fighter. The resulting Su-1 was a conventional monoplane with a streamlined wooden semi-monocoque fuselage and a low-set all-metal wing made of duralumin. The cockpit was not pressurized. The key feature of the aircraft was a pair of TK-2 turbochargers driven by exhaust gases from the Klimov M-105P engine.[1] The prototype was completed in May 1940. It first flew on 15 June 1940 with A.P. Chernyavsky at the controls and underwent limited flight testing until April 1941, reaching a top speed of 641 km/h (345 knots, 400 mph) at 10000 m (32,810 ft).[1] However, the turbochargers proved unreliable and without them the aircraft was inferior to the Yakovlev Yak-1.[2]
[edit] Su-3
The second Su-1 prototype was built as a Su-3 which differed in having a revised wing with wing area reduced to 17 m² (183 ft²). It was completed in 1941 but did not fly. The project was abandoned due to continuing problems with the TK-2 turbochargers.[1]
[edit] Operators
[edit] Specifications (Su-1)
General characteristics
- Crew: 1
- Length: 8.42 m (27 ft 8 in)
- Wingspan: 11.50 m (37 ft 9 in)
- Height: 2.71 m (8 ft 11 in)
- Wing area: 19 m² (205 ft²)
- Empty weight: 2495 kg (5,500 lb)
- Loaded weight: 2875 kg (6,340 lb)
- Powerplant: 1× Klimov M-105P liquid-cooled twin-turbocharged V12 engine, 820 kW (1,100 hp)
Performance
- Maximum speed: 640 km/h (345 knots, 400 mph) at 10000 m (32,810 ft)
- Range: 720 km (390 nm, 445 mi)
- Service ceiling 12500 m (ft)
- Rate of climb: 10.33 min to 10000 m (32,810 ft)
Armament
- 1x 20 mm (0.79 in) ShVAK cannon
- 2x 7.62 mm (0.30 in) ShKAS machine guns
[edit] References
- ^ a b c d Shavrov V.B. (1994). Istoriia konstruktskii samoletov v SSSR, 1938-1950 gg. (3 izd.). Mashinostroenie. ISBN 5217004770.
- ^ Sukhoi Su-1, 3. Sukhoi Company Museum. Retrieved on 2007-01-14.
- ^ Green, W; Swanborough, G (2001). The Great Book of Fighters. MBI Publishing. ISBN 0760311943.
[edit] External links
[edit] See also
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Comparable aircraft
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