Rolls-Royce Kestrel engine
E545707
The Rolls-Royce Kestrel engine is a British liquid-cooled V-12 aircraft piston engine of the interwar period that powered numerous notable military aircraft and helped establish Rolls-Royce’s reputation in aero engine design.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rolls-Royce Kestrel engine canonical | 2 |
| Rolls-Royce Kestrel V-12 aero engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5755854 — 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 engine Context triple: [Rolls-Royce Kestrel (design experience), appliesTo, Rolls-Royce Kestrel engine]
-
A.
Rolls-Royce Falcon engine
The Rolls-Royce Falcon engine was a British World War I-era liquid-cooled V12 aircraft engine known for its reliability and use in several successful fighter and reconnaissance aircraft.
-
B.
Rolls-Royce Nene engine
The Rolls-Royce Nene engine is a pioneering late-1940s British centrifugal-flow turbojet whose powerful, compact design significantly advanced early jet aircraft performance and was widely exported and copied worldwide.
-
C.
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.
-
D.
Rolls‑Royce Vulture engine
The Rolls‑Royce Vulture engine was a British experimental 24-cylinder X-type aircraft piston engine developed in the late 1930s that, despite powering a few early World War II bombers, was ultimately abandoned due to reliability problems.
-
E.
Rolls-Royce Conway engine
The Rolls-Royce Conway engine was the world’s first production turbofan jet engine, pioneering a more efficient generation of jet propulsion for commercial and military aircraft in the mid-20th century.
- 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 engine Target entity description: The Rolls-Royce Kestrel engine is a British liquid-cooled V-12 aircraft piston engine of the interwar period that powered numerous notable military aircraft and helped establish Rolls-Royce’s reputation in aero engine design.
-
A.
Rolls-Royce Falcon engine
The Rolls-Royce Falcon engine was a British World War I-era liquid-cooled V12 aircraft engine known for its reliability and use in several successful fighter and reconnaissance aircraft.
-
B.
Rolls-Royce Nene engine
The Rolls-Royce Nene engine is a pioneering late-1940s British centrifugal-flow turbojet whose powerful, compact design significantly advanced early jet aircraft performance and was widely exported and copied worldwide.
-
C.
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.
-
D.
Rolls‑Royce Vulture engine
The Rolls‑Royce Vulture engine was a British experimental 24-cylinder X-type aircraft piston engine developed in the late 1930s that, despite powering a few early World War II bombers, was ultimately abandoned due to reliability problems.
-
E.
Rolls-Royce Conway engine
The Rolls-Royce Conway engine was the world’s first production turbofan jet engine, pioneering a more efficient generation of jet propulsion for commercial and military aircraft in the mid-20th century.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
V-12 engine
ⓘ
aircraft piston engine ⓘ liquid-cooled aircraft engine ⓘ |
| application |
Avro Anson prototype
NERFINISHED
ⓘ
Fairey Gordon NERFINISHED ⓘ Fairey Seal NERFINISHED ⓘ Fokker D.XVII testbed NERFINISHED ⓘ Hawker Audax NERFINISHED ⓘ Hawker Demon NERFINISHED ⓘ Hawker Fury NERFINISHED ⓘ Hawker Hart NERFINISHED ⓘ Hawker Hector NERFINISHED ⓘ Hawker Hind NERFINISHED ⓘ Heinkel He 112 prototypes ⓘ Heinkel He 70 NERFINISHED ⓘ Messerschmitt Bf 109 prototype NERFINISHED ⓘ PZL P.24 prototype NERFINISHED ⓘ |
| bore | 5 inches ⓘ |
| compressionRatio | around 6:1 ⓘ |
| configuration | 60-degree V-12 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designer | Arthur Rowledge NERFINISHED ⓘ |
| displacement | 21.24 litres ⓘ |
| dryWeight | approximately 1,000 lb ⓘ |
| era | interwar period ⓘ |
| family | Rolls-Royce Kestrel engine family NERFINISHED ⓘ |
| firstRunDate | 1927 ⓘ |
| fuelType | aviation gasoline ⓘ |
| influenced |
Rolls-Royce Merlin
NERFINISHED
ⓘ
Rolls-Royce Peregrine NERFINISHED ⓘ |
| manufacturer | Rolls-Royce Limited NERFINISHED ⓘ |
| notableVariant |
Kestrel IB
NERFINISHED
ⓘ
Kestrel IIS NERFINISHED ⓘ Kestrel V NERFINISHED ⓘ Kestrel XVI NERFINISHED ⓘ Kestrel XXX NERFINISHED ⓘ |
| powerOutput |
around 525 hp in early versions
ⓘ
up to about 745 hp in later versions ⓘ |
| productionEnd | late 1930s ⓘ |
| productionStart | late 1920s ⓘ |
| role | military aircraft powerplant ⓘ |
| significance | helped establish Rolls-Royce reputation in aero engine design ⓘ |
| stroke | 5.5 inches ⓘ |
| successor | Rolls-Royce Merlin NERFINISHED ⓘ |
| supercharger | single-stage centrifugal supercharger ⓘ |
| usedBy |
Czechoslovak Air Force
NERFINISHED
ⓘ
Finnish Air Force NERFINISHED ⓘ Luftwaffe (in prototypes and test aircraft) NERFINISHED ⓘ Royal Air Force ⓘ Swedish Air Force NERFINISHED ⓘ |
| usedFor |
fighter aircraft
ⓘ
light bombers ⓘ reconnaissance aircraft ⓘ |
| usedInConflict |
Spanish Civil War
NERFINISHED
ⓘ
early stages of World War II (in second-line roles) ⓘ |
| 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 engine Description of subject: The Rolls-Royce Kestrel engine is a British liquid-cooled V-12 aircraft piston engine of the interwar period that powered numerous notable military aircraft and helped establish Rolls-Royce’s reputation in aero engine design.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rolls-Royce Kestrel V-12 aero engine