Rolls-Royce Kestrel
E279807
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rolls-Royce Kestrel canonical | 3 |
| Rolls-Royce F.XI | 1 |
| Rolls‑Royce Kestrel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2580554 — 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 Kestrel Context triple: [Hawker Hart, engineType, Rolls-Royce Kestrel]
-
A.
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.
-
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 Phantom I
The Rolls-Royce Phantom I is a luxury automobile produced in the 1920s and early 1930s, renowned for its exceptional engineering, refinement, and status as one of the most prestigious cars of its era.
-
D.
Rolls-Royce Silver Ghost
The Rolls-Royce Silver Ghost is an early 20th-century luxury automobile famed for its exceptional reliability, refinement, and role in establishing Rolls-Royce’s reputation as a maker of “the best car in the world.”
-
E.
Bristol Blenheim
The Bristol Blenheim was a British twin‑engine light bomber and reconnaissance aircraft widely used by Allied air forces in the early years of World War II.
- 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 Kestrel Target entity description: 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.
-
A.
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.
-
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 Phantom I
The Rolls-Royce Phantom I is a luxury automobile produced in the 1920s and early 1930s, renowned for its exceptional engineering, refinement, and status as one of the most prestigious cars of its era.
-
D.
Rolls-Royce Silver Ghost
The Rolls-Royce Silver Ghost is an early 20th-century luxury automobile famed for its exceptional reliability, refinement, and role in establishing Rolls-Royce’s reputation as a maker of “the best car in the world.”
-
E.
Bristol Blenheim
The Bristol Blenheim was a British twin‑engine light bomber and reconnaissance aircraft widely used by Allied air forces in the early years of World War II.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
V-12 engine
ⓘ
aircraft engine ⓘ liquid-cooled piston engine ⓘ |
| alsoKnownAs |
Rolls-Royce F.XI
ⓘ
linked to:
Rolls-Royce Kestrel
|
| application |
fighter aircraft
ⓘ
light bombers ⓘ trainers ⓘ |
| bore | 5 inches ⓘ |
| configuration | 60-degree V-12 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | V ⓘ |
| cylinderCount | 12 ⓘ |
| designInfluenceOn |
Rolls-Royce Goshawk
ⓘ
linked to:
Rolls-Royce Peregrine
Rolls-Royce Merlin ⓘ Rolls-Royce Peregrine ⓘ |
| displacement | about 21 litres ⓘ |
| era | interwar period ⓘ |
| family |
Rolls-Royce F-series engines
ⓘ
linked to:
Rolls-Royce Kestrel V12 engine
|
| firstRunDate | 1927 ⓘ |
| fuelType | aviation gasoline ⓘ |
| introduced | late 1920s ⓘ |
| manufacturer | Rolls-Royce Limited ⓘ |
| notableFeature |
evaporative cooling used in some variants
ⓘ
integrated reduction gear in some versions ⓘ |
| notableUser | Royal Air Force ⓘ |
| poweredAircraft |
Avro Anson prototype
ⓘ
Fokker D.XVII (test installations) ⓘ Hawker Audax ⓘ Hawker Demon ⓘ Hawker Fury ⓘ Hawker Hart ⓘ Hawker Hector ⓘ Hawker Hind ⓘ Hawker Osprey ⓘ Heinkel He 112 (early prototypes) ⓘ
linked to:
Heinkel He 112
Heinkel He 70 (export engines) ⓘ
linked to:
Heinkel He 70
Messerschmitt Bf 109 V1 prototype ⓘ PZL P.24 (test installations) ⓘ Supermarine Southampton (later variants) ⓘ
linked to:
Supermarine Southampton
|
| powerOutputRange | around 450–600 horsepower ⓘ |
| status | obsolete ⓘ |
| stroke | 5.5 inches ⓘ |
| supercharging | single-stage supercharger ⓘ |
| usedBy |
Finland
ⓘ
Germany ⓘ Spain ⓘ Sweden ⓘ United Kingdom ⓘ |
| usedInConflict |
Second World War
ⓘ
linked to:
World War II
Spanish Civil War ⓘ |
| valvetrain | single overhead camshaft per bank ⓘ |
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 Kestrel Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Rolls-Royce Eagle VIII V-12 piston engine
linked to: Rolls-Royce Kestrel
linked to: Rolls-Royce Kestrel