Rolls-Royce/Snecma Olympus 593
E233078
The Rolls-Royce/Snecma Olympus 593 is a turbojet engine jointly developed by British and French manufacturers to power the supersonic Concorde airliner at sustained Mach 2 cruise speeds.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rolls-Royce/Snecma Olympus 593 canonical | 2 |
| Rolls-Royce/Snecma Olympus 593 turbofan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1892939 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rolls-Royce/Snecma Olympus 593 Context triple: [Concorde (Air France), engineType, Rolls-Royce/Snecma Olympus 593]
-
A.
Rolls-Royce Adour turbofan
The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
-
B.
Rolls-Royce Pegasus turbofan
The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
-
C.
Rolls-Royce RB211
The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
-
D.
Rolls-Royce Trent 1000
The Rolls-Royce Trent 1000 is a high-bypass turbofan jet engine developed by Rolls-Royce specifically to power the Boeing 787 Dreamliner, known for its fuel efficiency and advanced technology.
-
E.
Snecma M53
The Snecma M53 is a French afterburning turbofan jet engine developed by Snecma, best known for powering Dassault’s Mirage 2000 fighter aircraft.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rolls-Royce/Snecma Olympus 593 Target entity description: The Rolls-Royce/Snecma Olympus 593 is a turbojet engine jointly developed by British and French manufacturers to power the supersonic Concorde airliner at sustained Mach 2 cruise speeds.
-
A.
Rolls-Royce Adour turbofan
The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
-
B.
Rolls-Royce Pegasus turbofan
The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
-
C.
Rolls-Royce RB211
The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
-
D.
Rolls-Royce Trent 1000
The Rolls-Royce Trent 1000 is a high-bypass turbofan jet engine developed by Rolls-Royce specifically to power the Boeing 787 Dreamliner, known for its fuel efficiency and advanced technology.
-
E.
Snecma M53
The Snecma M53 is a French afterburning turbofan jet engine developed by Snecma, best known for powering Dassault’s Mirage 2000 fighter aircraft.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
turbojet engine ⓘ |
| airIntakeIntegration | designed to work with Concorde’s variable-geometry intakes ⓘ |
| application | supersonic transport ⓘ |
| compressorType | axial-flow ⓘ |
| configuration | twin-spool ⓘ |
| controlSystem | analog engine control with supervisory systems ⓘ |
| coolingMethod | air-cooled turbine blades ⓘ |
| countryOfOrigin |
France
ⓘ
United Kingdom ⓘ |
| derivativeOf | Bristol Olympus ⓘ |
| designCruiseAltitude | about 60,000 ft ⓘ |
| designCruiseMachNumber | Mach 2 ⓘ |
| designObjective | maximize efficiency at high supersonic cruise ⓘ |
| developedFor |
Concorde (Air France)
ⓘ
surface form:
Aérospatiale-BAC Concorde
|
| emissionsCharacteristic | high specific fuel consumption at low subsonic speeds ⓘ |
| enteredServiceWith |
Air France
ⓘ
British Airways ⓘ |
| exhaustIntegration | integrated with thrust-reversing buckets on Concorde ⓘ |
| exhaustSystem | variable-geometry nozzle ⓘ |
| firstRunDate | 1960s ⓘ |
| fuelType | aviation kerosene ⓘ |
| hasAfterburner | yes ⓘ |
| manufacturer |
Rolls-Royce Limited
ⓘ
surface form:
Rolls-Royce
Snecma ⓘ |
| noiseCharacteristic | high jet noise levels at takeoff with reheat ⓘ |
| notableAchievement | powered the only successful supersonic passenger airliner in regular service ⓘ |
| notableFeature |
designed for high thermal efficiency at Mach 2
ⓘ
optimized for sustained supersonic cruise ⓘ reheat used mainly for takeoff and transonic acceleration ⓘ |
| notableOperator |
Air France
ⓘ
British Airways ⓘ |
| numberOfEnginesPerAircraft | 4 ⓘ |
| programPartners |
Bristol Siddeley
ⓘ
Snecma ⓘ
surface form:
Société Nationale d’Étude et de Construction de Moteurs d’Aviation (Snecma)
|
| programType | Anglo-French collaboration ⓘ |
| retirementEra | early 2000s ⓘ |
| role | primary propulsion for Concorde ⓘ |
| serviceCeilingContribution | enabled Concorde cruise near 60,000 ft ⓘ |
| status |
out of production
ⓘ
retired from commercial service ⓘ |
| thrustClass |
around 38,000 lbf dry
ⓘ
around 38,000–40,000 lbf with reheat ⓘ |
| usedBy |
Concorde (Air France)
ⓘ
surface form:
Air France Concorde fleet
Concorde G-BOAC ⓘ
surface form:
British Airways Concorde fleet
|
| usedInAircraft |
Concorde (Air France)
ⓘ
surface form:
Concorde
|
| usedOnFirstFlightOf | Concorde prototype ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Rolls-Royce/Snecma Olympus 593 Description of subject: The Rolls-Royce/Snecma Olympus 593 is a turbojet engine jointly developed by British and French manufacturers to power the supersonic Concorde airliner at sustained Mach 2 cruise speeds.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rolls-Royce/Snecma Olympus 593 turbofan