Rolls-Royce/Snecma Olympus 593

Olympus 593
On display at the Aerospace Bristol museum
TypeTurbojet
National originUnited Kingdom/France
ManufacturerRolls-Royce Limited/Snecma
First runJune 1966
Major applicationsConcorde
Developed fromRolls-Royce Olympus

The Rolls-Royce/Snecma Olympus 593 was an Anglo-French turbojet with reheat, which powered the supersonic airliner Concorde. It was initially a joint project between Bristol Siddeley Engines Limited (BSEL) and Snecma, derived from the Bristol Siddeley Olympus 22R engine. Rolls-Royce Limited acquired BSEL in 1966 during development of the engine, making BSEL the Bristol Engine Division of Rolls-Royce.

Until regular commercial flights by Concorde ceased in October 2003, the Olympus turbojet was unique in aviation as the only turbojet with reheat powering a commercial aircraft.

The overall efficiency of the engine in supersonic cruising flight (supercruise) was about 43%, which at the time was the highest figure recorded for any normal thermodynamic machine.

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