Sukhoi Su-31
The Sukhoi Su-31 is a Russian single-engined aerobatic aircraft designed by Sukhoi as a lighter and more powerful version of the Sukhoi Su-29.
| Su-31 | |
|---|---|
 | |
| Jurgis Kairys in his Su-31 | |
| Role | Sports aircraft |
| National origin | Russia |
| Manufacturer | Sukhoi |
| First flight | 1992 |
| Developed from | Sukhoi Su-29 |
2008 World Aerobatics Champion Ramón Alonso in a Sukhoi Su-31.
Design and development
The design of the aircraft started in 1991 as a single-seat development of the earlier Sukhoi Su-29 with a more powerful Vedeneyev M14PF engine and new landing gear. The low-wing cantilever monoplane first flew in June 1992 as the Su-29T and the first production aircraft flying in 1994.
Variants
- Su-29T
- Prototype single-seat aerobatic monoplane
- Su-31
- Production variant with fixed landing gear, sometimes known as the Su-31T.
- Su-31M
- Improved variant with a pilot extraction system.
- Su-31M2
- Further improved variant of the Su-31M with weight reduction, single piece canopy/windscreen and larger wing introduced in 1999.
- Su-31U
- Proposed retractable landing gear variant of the Su-31T.
- Su-31X
- Export variant of the Su-31T
Specifications
Data from Su-26, 29, 31 Specifications[1]
General characteristics
- Crew: 1
- Length: 6.83 m (22 ft 5 in)
- Wingspan: 7.8 m (25 ft 7 in)
- Height: 2.76 m (9 ft 1 in)
- Wing area: 11.83 m2 (127.3 sq ft)
- Empty weight: 700 kg (1,543 lb)
- Max takeoff weight: 1,050 kg (2,315 lb)
- Powerplant: 1 × Vedeneyev M14PF 9-cylinder air-cooled radial piston engine, 300 kW (400 hp)
- Propellers: 3-bladed constant-speed propeller
Performance
- Maximum speed: 331 km/h (206 mph, 179 kn)
- Stall speed: 106 km/h (66 mph, 57 kn)
- Never exceed speed: 450 km/h (280 mph, 240 kn)
- Range: 1,100 km (680 mi, 590 nmi)
- g limits: +12 -10
- Roll rate: 401 deg/s - 7 rad/s
- Rate of climb: 24 m/s (4,700 ft/min)
References
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