Rolls-Royce Derwent
E559642
The Rolls-Royce Derwent is a pioneering British centrifugal-flow turbojet engine developed during World War II that powered early jet fighters such as the Gloster Meteor.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Rolls-Royce Derwent canonical | 2 |
| Rolls-Royce Derwent 5 | 1 |
| Rolls-Royce Derwent 8 | 1 |
| Rolls-Royce Derwent I | 1 |
| Rolls-Royce Derwent II | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5908867 — 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 Derwent Context triple: [Rolls-Royce Nene, precededBy, Rolls-Royce Derwent]
-
A.
Rolls-Royce Kestrel
The Rolls-Royce Kestrel is a British liquid-cooled V-12 aircraft engine widely used in the interwar period and known for powering many early Hawker biplanes and other RAF aircraft.
-
B.
Rolls-Royce XG-40
The Rolls-Royce XG-40 was an experimental British low-bypass turbofan engine program that served as the technological basis for the later Eurojet EJ200 fighter aircraft engine.
-
C.
Rolls-Royce Eagle
The Rolls-Royce Eagle was a pioneering British liquid-cooled V12 aircraft engine of World War I, widely used to power frontline bombers and reconnaissance aircraft.
-
D.
Rolls-Royce Condor
The Rolls-Royce Condor was a powerful British V12 aircraft piston engine developed in the early 20th century and used in large bombers and airliners of the interwar period.
-
E.
Rolls-Royce Corniche
The Rolls-Royce Corniche is a luxury grand tourer, produced in coupe and convertible forms, renowned for its opulent craftsmanship and smooth, refined performance.
- 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 Derwent Target entity description: The Rolls-Royce Derwent is a pioneering British centrifugal-flow turbojet engine developed during World War II that powered early jet fighters such as the Gloster Meteor.
-
A.
Rolls-Royce Kestrel
The Rolls-Royce Kestrel is a British liquid-cooled V-12 aircraft engine widely used in the interwar period and known for powering many early Hawker biplanes and other RAF aircraft.
-
B.
Rolls-Royce XG-40
The Rolls-Royce XG-40 was an experimental British low-bypass turbofan engine program that served as the technological basis for the later Eurojet EJ200 fighter aircraft engine.
-
C.
Rolls-Royce Eagle
The Rolls-Royce Eagle was a pioneering British liquid-cooled V12 aircraft engine of World War I, widely used to power frontline bombers and reconnaissance aircraft.
-
D.
Rolls-Royce Condor
The Rolls-Royce Condor was a powerful British V12 aircraft piston engine developed in the early 20th century and used in large bombers and airliners of the interwar period.
-
E.
Rolls-Royce Corniche
The Rolls-Royce Corniche is a luxury grand tourer, produced in coupe and convertible forms, renowned for its opulent craftsmanship and smooth, refined performance.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
turbojet engine ⓘ |
| application | fighter aircraft propulsion ⓘ |
| category |
British military aircraft engine
ⓘ
World War II jet engine ⓘ |
| compressorType | centrifugal compressor ⓘ |
| configuration | single-spool ⓘ |
| coolingMethod | air-cooled turbine ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designGoal |
greater reliability for operational jet fighters
ⓘ
improved thrust over Rolls-Royce Welland ⓘ |
| designOrganization | Rolls-Royce Derby NERFINISHED ⓘ |
| developmentPeriod | World War II NERFINISHED ⓘ |
| enteredService | 1944 ⓘ |
| era | early jet age ⓘ |
| firstRunDate | 1943 ⓘ |
| fuelType | kerosene-based jet fuel ⓘ |
| licenseBuiltAs | Klimov RD-500 NERFINISHED ⓘ |
| manufacturer | Rolls-Royce Limited NERFINISHED ⓘ |
| notableFor |
pioneering British production turbojet
ⓘ
powering early operational jet fighters ⓘ |
| notableVariant |
Derwent 8
NERFINISHED
ⓘ
Derwent V NERFINISHED ⓘ |
| numberOfCompressorStages | 1 ⓘ |
| poweredFirstOperationalRAFJet | Gloster Meteor NERFINISHED ⓘ |
| predecessor | Rolls-Royce Welland NERFINISHED ⓘ |
| propulsionType | centrifugal-flow turbojet ⓘ |
| relatedEngine | Rolls-Royce Nene NERFINISHED ⓘ |
| serviceStatus | retired from front-line service ⓘ |
| successor | Rolls-Royce Avon NERFINISHED ⓘ |
| thrustClass | around 2,000 lbf to 3,600 lbf depending on variant ⓘ |
| turbineType | single-stage axial turbine ⓘ |
| usedBy |
Argentine Air Force
NERFINISHED
ⓘ
Royal Air Force ⓘ Royal Australian Air Force NERFINISHED ⓘ Soviet Air Force (via license-built versions) NERFINISHED ⓘ |
| usedFor | experimental and research aircraft ⓘ |
| usedInAircraft |
Avro 707
NERFINISHED
ⓘ
FMA IAe 27 Pulqui I NERFINISHED ⓘ Gloster Meteor NERFINISHED ⓘ Supermarine Attacker prototypes ⓘ Yakovlev Yak-23 (license-built version) NERFINISHED ⓘ |
| usedInConflict |
Second World War (late stages)
NERFINISHED
ⓘ
early Cold War period operations ⓘ |
| usedInRecordAttempt | Gloster Meteor speed record flights NERFINISHED ⓘ |
| usedInRole |
fighter-interceptor
ⓘ
trainer aircraft propulsion ⓘ |
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 Derwent Description of subject: The Rolls-Royce Derwent is a pioneering British centrifugal-flow turbojet engine developed during World War II that powered early jet fighters such as the Gloster Meteor.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rolls-Royce Nene
subject surface form:
Rolls-Royce Welland
this entity surface form:
Rolls-Royce Derwent I
this entity surface form:
Rolls-Royce Derwent II
this entity surface form:
Rolls-Royce Derwent 5
this entity surface form:
Rolls-Royce Derwent 8