Bristol Centaurus radial engine
E284451
The Bristol Centaurus radial engine was a powerful British air-cooled sleeve-valve aircraft engine used in late World War II and early postwar high-performance aircraft.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Bristol Centaurus radial engine canonical | 3 |
| Bristol Centaurus engine | 1 |
| Bristol sleeve-valve engines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2626291 — 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: Bristol Centaurus radial engine Context triple: [Hawker Sea Fury, powerplant, Bristol Centaurus radial engine]
-
A.
Bristol Hercules radial engine
The Bristol Hercules radial engine was a British air-cooled, sleeve-valve aircraft engine widely used in World War II bombers and other military aircraft for its reliability and high power output.
-
B.
Bristol Pegasus radial engine
The Bristol Pegasus radial engine was a widely used British air-cooled aircraft engine of the interwar and World War II era, powering numerous bombers and transport aircraft.
-
C.
Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
-
D.
Rolls-Royce Avon engine
The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.
-
E.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force 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: Bristol Centaurus radial engine Target entity description: The Bristol Centaurus radial engine was a powerful British air-cooled sleeve-valve aircraft engine used in late World War II and early postwar high-performance aircraft.
-
A.
Bristol Hercules radial engine
The Bristol Hercules radial engine was a British air-cooled, sleeve-valve aircraft engine widely used in World War II bombers and other military aircraft for its reliability and high power output.
-
B.
Bristol Pegasus radial engine
The Bristol Pegasus radial engine was a widely used British air-cooled aircraft engine of the interwar and World War II era, powering numerous bombers and transport aircraft.
-
C.
Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
-
D.
Rolls-Royce Avon engine
The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.
-
E.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
piston engine ⓘ radial engine ⓘ |
| applicationRole |
bomber engine
ⓘ
fighter aircraft engine ⓘ naval fighter engine ⓘ transport aircraft engine ⓘ |
| bore | about 5.75 in ⓘ |
| configuration | 18-cylinder radial ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | two-row radial ⓘ |
| developedFrom | Bristol Perseus ⓘ |
| displacement |
about 3,270 cu in
ⓘ
about 53.6 L ⓘ |
| enteredService | 1942 ⓘ |
| era |
World War II
ⓘ
postwar period ⓘ |
| family |
Bristol Centaurus radial engine
self-linksurface differs
ⓘ
surface form:
Bristol sleeve-valve engines
|
| firstRunDate | 1938 ⓘ |
| fuelType | aviation gasoline ⓘ |
| manufacturer | Bristol Aeroplane Company ⓘ |
| notableFeature |
high power-to-weight ratio for its time
ⓘ
use of sleeve valves for improved volumetric efficiency ⓘ |
| notableVariant |
Centaurus 170
ⓘ
Centaurus 173 ⓘ Centaurus 661 ⓘ Centaurus IV ⓘ Centaurus V ⓘ Centaurus VI ⓘ Centaurus VII ⓘ Theta Centauri ⓘ
surface form:
Centaurus XVIII
|
| numberOfCylinders | 18 ⓘ |
| placeOfOrigin | Bristol ⓘ |
| powerOutput |
over 2,000 hp in early versions
ⓘ
up to about 3,000 hp in later versions ⓘ |
| status | obsolete ⓘ |
| stroke | about 6.5 in ⓘ |
| successor | Bristol Hercules in service roles ⓘ |
| supercharger | two-speed supercharger ⓘ |
| usedFor | high-performance late-war and postwar aircraft ⓘ |
| usedInConflict |
World War II
ⓘ
surface form:
Second World War
|
| usedOnAircraft |
Avro Shackleton prototype
ⓘ
Blackburn Firebrand ⓘ Bristol Brigand ⓘ Bristol Buckmaster ⓘ Bristol Freighter ⓘ Hawker Sea Fury ⓘ Hawker Tempest ⓘ
surface form:
Hawker Tempest II
Hawker Tornado (prototypes) ⓘ
surface form:
Hawker Tornado (testbed)
|
| valveType | sleeve-valve ⓘ |
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: Bristol Centaurus radial engine Description of subject: The Bristol Centaurus radial engine was a powerful British air-cooled sleeve-valve aircraft engine used in late World War II and early postwar high-performance aircraft.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bristol Centaurus engine
Bristol Centaurus radial engine
→
family
→
Bristol Centaurus radial engine
self-linksurface differs
ⓘ
subject surface form:
Bristol Centaurus
this entity surface form:
Bristol sleeve-valve engines