Bristol Siddeley BE.10 Olympus
Rolls Royce Olympus

Designed by Bristol, the BE.10 Olympus was first run in 1950 reaching 10,000 lbs thrust. The Olympus was flying in a Canberra testbed by 1953.
Entering production in 1955, the Olympus continued to be developed by Bristol, Bristol Siddeley and Rolls Royce finally developing 40,000 lb thrust by 1977. This engine was used to powered the Avro Vulcan, TSR.2 and Concord SST.


  • Mk 301: 20,000 lb (89 kN) thrust


  • Turbojet
  • Compressor: 5-stage LP/7-stage HP
  • Turbine: single-stage LP and HP
  • Mass flow: 240 lbs/sec
  • Pressure ratio: 12

used by

  • Avro 698 Vulcan