Rolls-Royce 250-C20W
E900916
The Rolls-Royce 250-C20W is a turboshaft aircraft engine variant in the proven Model 250 family, widely used to power light helicopters and unmanned aerial vehicles.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Rolls-Royce Model 250 | 2 |
| Rolls-Royce (for R66) | 1 |
| Rolls-Royce 250-C20W canonical | 1 |
| Rolls-Royce M250 | 1 |
| Rolls-Royce Model 250 core | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11041433 — 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 250-C20W Context triple: [MQ-8B Fire Scout, engineModel, Rolls-Royce 250-C20W]
-
A.
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.
-
B.
Rolls-Royce Derwent
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.
-
C.
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.
-
D.
Rolls-Royce Adour
The Rolls-Royce Adour is a turbofan jet engine widely used to power military trainer and light attack aircraft, notably the SEPECAT Jaguar and BAE Systems Hawk.
-
E.
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.
- 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 250-C20W Target entity description: The Rolls-Royce 250-C20W is a turboshaft aircraft engine variant in the proven Model 250 family, widely used to power light helicopters and unmanned aerial vehicles.
-
A.
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.
-
B.
Rolls-Royce Derwent
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.
-
C.
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.
-
D.
Rolls-Royce Adour
The Rolls-Royce Adour is a turbofan jet engine widely used to power military trainer and light attack aircraft, notably the SEPECAT Jaguar and BAE Systems Hawk.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Rolls-Royce Model 250 variant
ⓘ
turboshaft aircraft engine ⓘ |
| application |
light helicopter powerplant
ⓘ
unmanned aerial vehicle powerplant ⓘ |
| basedOn |
Rolls-Royce Model 250 core
ⓘ
linked to:
Rolls-Royce 250-C20W
|
| belongsToSeries | C20 series ⓘ |
| category |
aero engines
ⓘ
turboshaft engines ⓘ |
| compressionSystem | axial-centrifugal compressor ⓘ |
| configuration | two-shaft gas turbine ⓘ |
| controlSystem | hydromechanical fuel control ⓘ |
| cooling | air-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| engineType | turboshaft ⓘ |
| familyIntroducedBy | Allison Engine Company ⓘ |
| familyUsage |
widely used in UAVs
ⓘ
widely used in light helicopters ⓘ |
| fuelType | aviation kerosene ⓘ |
| ignitionSystem | dual ignition ⓘ |
| manufacturer | Rolls-Royce plc ⓘ |
| marketSegment | light helicopter engines ⓘ |
| notableFeature |
compact design
ⓘ
high reliability ⓘ low operating cost ⓘ |
| partOfFamily |
Rolls-Royce Model 250
ⓘ
linked to:
Rolls-Royce 250-C20W
|
| primaryUse | rotary-wing aircraft ⓘ |
| successorOrganization | Rolls-Royce plc ⓘ |
| usedFor |
civil aviation
ⓘ
military aviation ⓘ |
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 250-C20W Description of subject: The Rolls-Royce 250-C20W is a turboshaft aircraft engine variant in the proven Model 250 family, widely used to power light helicopters and unmanned aerial vehicles.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Rolls-Royce 250-C20W
linked to: Rolls-Royce 250-C20W
subject linked to:
Rolls-Royce 250-C30 turboshaft
linked to: Rolls-Royce 250-C20W
linked to: Rolls-Royce 250-C20W
linked to: Rolls-Royce 250-C20W