Rolls-Royce Eagle engine family
E483522
The Rolls-Royce Eagle engine family is a series of early British aircraft piston engines developed by Rolls-Royce during World War I, notable for powering several important military and civil aircraft of the era.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rolls-Royce Eagle engine family canonical | 2 |
| Rolls-Royce Eagle engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4949531 — 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 Eagle engine family Context triple: [Rolls-Royce Eagle, family, Rolls-Royce Eagle engine family]
-
A.
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.
-
B.
Rolls-Royce Kestrel V12 engine
The Rolls-Royce Kestrel V12 engine is a British liquid-cooled aircraft piston engine of the interwar period, widely used in RAF fighters and other military aircraft as an important step in Rolls-Royce’s development of high-performance aero engines.
-
C.
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.
-
D.
Rolls-Royce aircraft engines
Rolls-Royce aircraft engines are a family of high-performance aero powerplants produced by Rolls-Royce, renowned for powering a wide range of military and civilian aircraft worldwide.
-
E.
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.
- 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 Eagle engine family Target entity description: The Rolls-Royce Eagle engine family is a series of early British aircraft piston engines developed by Rolls-Royce during World War I, notable for powering several important military and civil aircraft of the era.
-
A.
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.
-
B.
Rolls-Royce Kestrel V12 engine
The Rolls-Royce Kestrel V12 engine is a British liquid-cooled aircraft piston engine of the interwar period, widely used in RAF fighters and other military aircraft as an important step in Rolls-Royce’s development of high-performance aero engines.
-
C.
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.
-
D.
Rolls-Royce aircraft engines
Rolls-Royce aircraft engines are a family of high-performance aero powerplants produced by Rolls-Royce, renowned for powering a wide range of military and civilian aircraft worldwide.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Rolls-Royce aircraft engine
ⓘ
aircraft piston engine family ⓘ |
| application |
airliners
ⓘ
bombers ⓘ flying boats ⓘ reconnaissance aircraft ⓘ |
| bore | 114 mm (typical early variants) ⓘ |
| category |
Rolls-Royce piston engines
NERFINISHED
ⓘ
World War I aircraft piston engines ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | 60-degree V ⓘ |
| cylinderCount | 12 ⓘ |
| designer | Henry Royce NERFINISHED ⓘ |
| developedDuring | World War I NERFINISHED ⓘ |
| displacement | about 20.3 litres (early variants) ⓘ |
| engineConfiguration | V-12 ⓘ |
| era | early 20th century ⓘ |
| firstRun | 1915 ⓘ |
| fuelType | gasoline ⓘ |
| ignitionSystem | dual magneto ⓘ |
| introduced | 1915 ⓘ |
| legacy | established Rolls-Royce reputation in aero engines ⓘ |
| manufacturer | Rolls-Royce Limited NERFINISHED ⓘ |
| memberOfSeries |
Rolls-Royce Eagle I
NERFINISHED
ⓘ
Rolls-Royce Eagle II NERFINISHED ⓘ Rolls-Royce Eagle III NERFINISHED ⓘ Rolls-Royce Eagle IV NERFINISHED ⓘ Rolls-Royce Eagle VIII NERFINISHED ⓘ |
| notableAircraftPowered |
Airco DH.4
NERFINISHED
ⓘ
Felixstowe F.2A NERFINISHED ⓘ Handley Page O/400 NERFINISHED ⓘ Vickers Vimy NERFINISHED ⓘ |
| notableEventAssociated | first non-stop transatlantic flight by Alcock and Brown in 1919 (Vickers Vimy) ⓘ |
| notableFor |
powering early long-distance civil flights
ⓘ
powering several important British military aircraft of World War I ⓘ |
| powerOutput |
approximately 225 hp (Eagle I)
ⓘ
approximately 360 hp (Eagle VIII) ⓘ |
| productionPeriod | 1915–1920s ⓘ |
| stroke | 165 mm (typical early variants) ⓘ |
| successor |
Rolls-Royce Condor
NERFINISHED
ⓘ
Rolls-Royce Kestrel NERFINISHED ⓘ |
| usedBy |
Royal Air Force
ⓘ
Royal Flying Corps NERFINISHED ⓘ Royal Naval Air Service NERFINISHED ⓘ |
| usedInConflict | World War I ⓘ |
| usedInRole |
civil aviation
ⓘ
military aviation ⓘ |
| valvetrain | overhead camshaft ⓘ |
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 Eagle engine family Description of subject: The Rolls-Royce Eagle engine family is a series of early British aircraft piston engines developed by Rolls-Royce during World War I, notable for powering several important military and civil aircraft of the era.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rolls-Royce Eagle VIII
this entity surface form:
Rolls-Royce Eagle engine