Rolls-Royce RB145

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EWR VJ 101 - Triebwerk oben.JPG
The intake cover open revealing the intakes of the fuselage mounted RB145 engines
Type Turbojet
National origin United Kingdom
Manufacturer Rolls-Royce Limited
First run April 1961
Major applications EWR VJ 101
Developed from Rolls-Royce RB108
the translating engine nacelles of the VJ 101, fitted with 2 x RB145 each.

The Rolls-Royce RB.145 was a British jet engine designed in the early-1960s by Rolls-Royce for use as a lightweight VTOL lift and cruise engine. Developed from the Rolls-Royce RB108 the RB.145 featured more accessories and a higher thrust rating. Six engines developed by MAN Turbo were fitted to the first prototype of the EWR VJ 101 experimental German fighter aircraft, achieving supersonic flight by July 1964.

Reheated versions of the RB.145 with a thrust of 3,650 lb (16.2 kN) were fitted to the second EWR VJ 101 with the intention of reaching Mach 1.4.[1]


Standard un-reheated turbojet
the RB.145 with reheat.


Specifications (RB.145R)[edit]

Data from Aircraft engines of the World 1964/65 [2]

General characteristics

  • Type: Single spool turbojet
  • Length: 103.5 in (2,630 mm)
  • Diameter: 15.5 in (390 mm) (intake diameter)
  • Dry weight: 600 lb (270 kg)


  • Compressor: Nine-stage axial-flow
  • Combustors: Annular with duplex burners
  • Turbine: 2-stage axial turbine
  • Fuel type: JP-1 (D.Eng.R.D.2494) or JP-4 (D.Eng.R.D.2486)
  • Oil system: Return system at 35 psi (2.4 bar), oil to D.Eng.R.D.2487


Take-off, wet: 16.2 kN (3,650 lbf)
Take-off, dry: 12.2 kN (2,750 lbf)
Wet:2.2 lb/lbf/h (220 kg/kN/h)
Dry:1 lb/lbf/h (100 kg/kN/h)

See also[edit]

Related development

Related lists


  1. ^ Flight International, 7 January 1965 Retrieved: 31 December 2009
  2. ^ Wilkinson, Paul H. (1964). Aircraft engines of the World 1964/65 (21st ed.). London: Sir Isaac Pitman & Sons Ltd. p. 139.

Further reading[edit]

  • Gunston, Bill (1989). World Encyclopaedia of Aero Engines (2nd ed.). Cambridge, England: Patrick Stephens Limited. ISBN 978-1-85260-163-8.

External links[edit]