Soloviev D-30
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Soloviev D-30

The Soloviev D-30 (now the Aviadvigatel PS-30) is a Soviet two-shaft low-bypass turbofan engine, officially referred to as a "bypass turbojet".

Design and development

The original version of the Soloviev D-30 was developed to power the Tupolev Tu-134 short-to-medium range jet airliner, and had specifications similar to those of the original Pratt & Whitney JT8D.

In the mid-1970s, the Soviet Union began the search for a high-speed interceptor to supplement and replace its MiG-25. The MiG-25 had two enormously powerful Tumansky R-15 turbojets, allowing Mach 3 speed at high altitudes, but the problem was their weak performance at low altitudes, not even sufficient to cross Mach 1 boundary.[] More acute problems stemmed from the tendency of the Foxbat's engines to break down at maximum throttle in high-speed situations. A new engine, this time a low-bypass turbofan, was needed to power the new interceptor. The Mikoyan-Gurevich (MiG) design bureau contracted OKB-19 design bureau (now part of Aviadvigatel) to build such an engine, for the aircraft that would become known as the MiG-31.

The Soloviev design bureau came up with the D-30F6 turbofan. Capable of generating 9,500 kgf (20,900 lbf or 93 kN) dry thrust and 15,500 kgf (34,200 lbf or 152 kN) afterburning thrust, the engine gave MiG's new fighter a top speed exceeding 3,000 km/h (1,900 mph),[] and a maximum takeoff weight of 45,800 kg (101,000 lb). These powerful engines also allowed the large and complex fighter to attain supersonic speeds at low altitudes under 1,500 m (4,900 ft).

More powerful civilian versions of the D-30 were also developed with an increased bypass ratio: comparable to Pratt & Whitney's development of the JT8D-200 series, but with even an greater increase in thrust. This development process gave rise to the D-30K series, which power the Ilyushin Il-76 heavy cargo aircraft, Ilyushin Il-62M and Tupolev Tu-154M jet airliners. The Chinese Xi'an Y-20 prototype is powered by four D-30KP-2 engines.[1]


Data from: Aircraft engines of the World 1970[2], Jane's all the World's Aircraft 1993-94[3]

D-30 II
D-30 III
High-altitude version for the Myasishchev M-55 de-rated to 49 kN (11,000 lbf)
Largely re-designed, much larger and more powerful derivative of the D-30.[4]


Specifications (D-30 II)

A Soloviev D-30 II

Data from Aircraft engines of the World 1970[2], Jane's all the World's Aircraft 1993-94[3]

General characteristics

  • Type: Twin-spool non-afterburning turbofan
  • Length: 3,983 mm (156.8 in)
  • Diameter: 1,050 mm (41 in) (inlet casing)
  • Frontal area: 0.73 m2 (7.9 sq ft)
  • Dry weight: 1,550 kg (3,420 lb) dry


  • Compressor: Axial, 3-stage fan / LP compressor, 11-stage HP compressor
  • Combustors: Can-annular with 12 flame tubes
  • Turbine: 2-stage HP turbine, 2-stage LP turbine
  • Fuel type: Aviation Kerosene / Jet A-1 / JP-1
  • Oil system: Pressure spray with return


  • Take-off: 66.68 kN (14,990 lbf)
  • Cruise: 12.75 kN (2,870 lbf) at 11,000 m (36,000 ft) and M0.75
  • Fan pressure ratio:2.65:1
  • HP compressor pressure ratio:7:1
  • Fan mass airflow: 126.8 kg/s (280 lb/s) at 11,600 HP rpm
  • Bypass airflow: 63.4 kg/s (140 lb/s) at 11,600 HP rpm
  • HP compressor mass airflow: 63.4 kg/s (140 lb/s) at 11,600 HP rpm
  • Take-off 81 kg/kN/h (0.79 lb/lbf/h)
  • Cruising: 62.0 kg/kN/h (0.608 lb/lbf/h)

See also

Comparable engines

Related lists


  1. ^ Fisher, Richard D Jr (4 September 2014). "China's Y-20 'enters second phase of testing'". IHS Jane's 360. Retrieved 2015.
  2. ^ a b Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (22nd ed.). London: Paul H. Wilkinson. p. 224.
  3. ^ a b Taylor, Michael J.H.; Lambert, Mark; Munson, Kenneth, eds. (1993). Jane's all the World's Aircraft 1993-94 (84th ed.). Coulson, Surrey, UK: Jane's Information Group. p. 633. ISBN 978-0710610669.
  4. ^ Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (22nd ed.). London: Paul H. Wilkinson. p. 225.

External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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