Sukhoi Su-31

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 in a 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.

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[]

^ Su-26, 29, 31 Specifications

External links[]

Su-31 Air Races Datasheet

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[1] Su-26, 29, 31 Specifications

[1]

v t Sukhoi aircraft
Fighters / interceptors	Su-9 Su-11 Su-15 Su-27 Su-30 (MKK/MKI/MKM) Su-33 Su-35 Su-57 Su-75
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List of Sukhoi aircraft

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