Rolls-Royce Eagle VIII V-12 piston engine
E116454
The Rolls-Royce Eagle VIII was a British liquid-cooled V-12 aircraft piston engine of the World War I era, renowned for its reliability and use in heavy bombers and long-distance aircraft.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rolls-Royce Eagle VIII V-12 piston engine canonical | 1 |
| Rolls-Royce Eagle engine | 1 |
| Rolls‑Royce Eagle VIII engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T979520 — 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 VIII V-12 piston engine Context triple: [Handley Page O/400, powerplant, Rolls-Royce Eagle VIII V-12 piston engine]
-
A.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
B.
Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
-
C.
BMW 801 radial engine
The BMW 801 radial engine was a powerful German World War II air-cooled aircraft engine widely used in Luftwaffe fighters and bombers, noted for its reliability and advanced engineering.
-
D.
Wright R-3350 Duplex-Cyclone radial engine
The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
-
E.
Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat 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 Eagle VIII V-12 piston engine Target entity description: The Rolls-Royce Eagle VIII was a British liquid-cooled V-12 aircraft piston engine of the World War I era, renowned for its reliability and use in heavy bombers and long-distance aircraft.
-
A.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
B.
Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
-
C.
BMW 801 radial engine
The BMW 801 radial engine was a powerful German World War II air-cooled aircraft engine widely used in Luftwaffe fighters and bombers, noted for its reliability and advanced engineering.
-
D.
Wright R-3350 Duplex-Cyclone radial engine
The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
-
E.
Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
V-12 engine
ⓘ
aircraft piston engine ⓘ liquid-cooled engine ⓘ |
| application |
long-range civil aircraft
ⓘ
military aircraft ⓘ |
| category |
Rolls-Royce aircraft engines
ⓘ
surface form:
Rolls-Royce aircraft engine
World War I aircraft engine ⓘ |
| configuration | 60-degree V-12 ⓘ |
| coolant | water-glycol mixture ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | V ⓘ |
| designGoal | improved reliability over earlier Eagle variants ⓘ |
| era | 1910s ⓘ |
| family | Rolls-Royce Eagle engine family ⓘ |
| fuelType | aviation gasoline ⓘ |
| historicalSignificance |
enabled early long-distance record flights
ⓘ
key British heavy bomber engine of World War I ⓘ |
| manufacturer | Rolls-Royce Limited ⓘ |
| notableCharacteristic |
good high-altitude performance for its era
ⓘ
robust construction ⓘ |
| notableEventAssociation | first non-stop transatlantic flight ⓘ |
| notableFeature | high reliability ⓘ |
| notableUse |
heavy bombers
ⓘ
long-distance aircraft ⓘ |
| numberOfCylinders | 12 ⓘ |
| poweredAircraftInEvent | Vickers Vimy of Alcock and Brown ⓘ |
| predecessor |
Rolls-Royce Eagle
ⓘ
surface form:
Rolls-Royce Eagle VII
|
| productionStatus | out of production ⓘ |
| role |
bomber engine
ⓘ
long-range flight engine ⓘ |
| successor |
Rolls-Royce Condor
ⓘ
Rolls-Royce Kestrel ⓘ |
| typicalInstallation |
flying boats
ⓘ
twin-engine bombers ⓘ |
| usedBy |
Royal Air Force
ⓘ
Royal Flying Corps ⓘ Royal Naval Air Service ⓘ |
| usedInConflict | World War I ⓘ |
| usedOnAircraft |
Airco DH.4
ⓘ
Airco DH.9 ⓘ Felixstowe F.2A ⓘ Felixstowe F.2A ⓘ
surface form:
Felixstowe F.3
Felixstowe F.5 ⓘ Handley Page O/400 ⓘ Vickers Vimy ⓘ |
| 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 VIII V-12 piston engine Description of subject: The Rolls-Royce Eagle VIII was a British liquid-cooled V-12 aircraft piston engine of the World War I era, renowned for its reliability and use in heavy bombers and long-distance aircraft.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rolls-Royce Eagle engine
this entity surface form:
Rolls‑Royce Eagle VIII engine