The Tumansky R-13 is a Soviet

turbojet The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and ...

engine designed by .

Design and development

The

Tumansky Sergei Konstantinovich Tumansky (; – 9 September 1973) was a designer of Soviet aircraft engines and the chief designer in the Tumansky Design Bureau, OKB-300. He worked in TsIAM (1931–38 and in 1940), and at the aircraft-engine plant N 29, ...

R-13 is a development of the successful

Tumansky R-11 The Tumansky R-11 (initially AM-11) is a Soviet Cold War-era turbojet engine. Design and development The Tumansky R-11 was developed by A.A. Mikulin, Sergei Tumansky, and B.S. Stechkin as a twin-spool axial-flow high-altitude non-afterburni ...

engine. It is a two-spool

axial-flow An axial compressor is a gas compressor that can continuously pressurize gases. It is a rotating, airfoil-based compressor in which the gas or working fluid principally flows parallel to the axis of rotation, or axially. This differs from other ...

turbojet featuring a new five-stage high-pressure

compressor A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor. Many compressors can be staged, that is, the gas is compressed several times in steps o ...

, new combustion chamber design to facilitate restarting the engine at high altitudes, new afterburner, and greater use of titanium components. It is used by

MiG-21 The Mikoyan-Gurevich MiG-21 (; NATO reporting name: Fishbed) is a supersonic jet aircraft, jet fighter aircraft, fighter and interceptor aircraft, designed by the Mikoyan, Mikoyan-Gurevich OKB, Design Bureau in the Soviet Union. Its nicknames in ...

M, MF, SM, and SMT, and

Sukhoi Su-15 The Sukhoi Su-15 (NATO reporting name: Flagon) is a twinjet supersonic interceptor aircraft developed by the Soviet Union. It entered service in 1965 and remained one of the front-line designs into the 1990s. The Su-15 was designed to replace t ...

M and TM. R-13 is also built in China as LM WP13, and similar to

— originally both were licensed to be built in China, but after the

Sino-Soviet split The Sino-Soviet split was the gradual worsening of relations between the People's Republic of China (PRC) and the Union of Soviet Socialist Republics (USSR) during the Cold War. This was primarily caused by divergences that arose from their ...

all Soviet technical support was withdrawn, Chinese proceeded on their own. Under the leadership of the principal engineer Jiang Hepu (江和甫), both R-11 and R-13 were successfully built in China. The R-95 is a non-afterburning development of this engine used by initial versions of the

Sukhoi Su-25 The Sukhoi Su-25 ''Grach'' ( ('' rook''); NATO reporting name: Frogfoot) is a subsonic, single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi. It was designed to provide close air support for Soviet Ground Forces. Th ...

attack aircraft. It was subsequently replaced in production by the improved R-195, which produces 12 percent more thrust.Braybrook 1991, p.147.

Specifications (R-13-300)

References

Citations

Sources

* Gunston, Bill. ''World Encyclopaedia of Aero Engines''. Cambridge, England. Patrick Stephens Limited, 1989. . * Braybrook, Roy. ''Soviet Combat Aircraft''. London, England. Osprey Publishing Limited, 1991. .

External links