Tumansky R-29 (original) (raw)

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Soviet turbojet

R-29
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]

Khatchaturov R-35-300

Developed version used in late variants of the MiG-23.

Shenyang WP-15

Chinese reverse-engineered copy of the R-29-300.[4]

• IAR 95 (Intended application)
• Mikoyan-Gurevich MiG-23
• Mikoyan MiG-27
• Chengdu J-10 (Prototype)
• Shenyang J-13 (Intended application)
• Sukhoi Su-22

Specifications (R-29-300)

[edit]

Data from [5]

General characteristics

• Type: Turbojet
• Length: 4,953 mm (195.0 in)
• Diameter: 912 mm (35.9 in)
• Dry weight: 1,880 kg (4,140 lb)

Components

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

Performance

• Maximum thrust:
• 78.48 kilonewtons (17,640 lbf) full military (dry)
• 112.81 kilonewtons (25,360 lbf) with boosted afterburner (CSR mode, altitude < 4,000 metres (13,000 ft))
• Overall pressure ratio: 12.9:1
• Air mass flow: 105 kg/s
• Turbine inlet temperature: 1,083 °C
• Specific fuel consumption: =
  • 96,8 kg/(h·kN) (0.95 lb/(h·lbf)) at maximum military power
  • 202,76 kg/(h·kN) (2 lb/(h·lbf)) with afterburner
• Thrust-to-weight ratio: 4.446; 6.119 with afterburner.
• Soyuz Scientific Production Association

Comparable engines

• Lyulka AL-21

Related lists

• List of aircraft engines

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.
4. ^ [1] 中国涡喷15A算不算国产航发 曾用于歼10原型机试飞. Sina Military. Edited: 21 March 2018. Retrieved: 12 July 2021.
5. ^ "Turbofan and Turbojet Engines" (PDF). Retrieved 2024-02-10.

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

• R-29 on leteckemotory.cz (in Czech and Slovak)