Tumansky R-29

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Tumansky R-29-300 turbojet MiG-23BN LSideFront DMFO 10June2013 (14563790706).jpg
Tumansky R-29-300 on display at the Deutsches Museum Flugwerft Schleissheim
Type Turbojet
Manufacturer Tumansky, UMPO , MMP Chernyshev , AMNTK Sojuz
First run 1972
Major applications MiG-23
Developed from Tumansky R-27
Developed into Tumansky R-35

The Tumansky R-29 is a Soviet turbojet aircraft engine that was developed in the early 1970s.[1] It is generally described as being in the "third generation" of Soviet gas turbine engines which are characterized by high thrust-to-weight ratios and the use of turbine air cooling.[2]


R-29-300 Original variant. Used in the MiG-23MF and related variants.[3]

R-29B-300 Simplified variant of the engine intended for the MiG-27.[3]

R-29PN Advanced variant that replaced the -300 model on non-export aircraft.[3]

R-29BS-300 Variant with modified gearbox. Used in several export variants of the Sukhoi Su-17.[3]



Data from Gunston

General characteristics

  • Type: Turbojet
  • Length: 4,991 mm (196.5 in)
  • Diameter: 968 mm (38.1 in)
  • Dry weight: 1,760 kg (3,880 lb)


  • Compressor: Two-spool Five-stage low pressure, six-stage high pressure (axial)
  • Combustors: Annular
  • Turbine: Two-stage high pressure, single-stage low pressure


See also[edit]

Comparable engines

Related lists


  1. ^ Gunston 1989, p. 168.
  2. ^ Sosounov, V.A. (1990). The Development of Aircraft Power Plant Construction in the USSR and the 60th Anniversary of CIAM. AlAA/ASME/SAE/ASEE 26th Joint Propulsion Conference, July 16–18, 1990. Orlando, Florida. AIAA-90-2761.
  3. ^ a b c d TMKB Soyuz R29-300 (subscription required)[permanent dead link]. Janes Aero Engines. Edited: 1 April 2010. Retrieved: 8 September 2010.


  • Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9

External links[edit]