Rolls-Royce Griffon
E7790
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.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T30196 — 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 Griffon Context triple: [Supermarine Spitfire, typicalEngine, Rolls-Royce Griffon]
-
A.
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.
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B.
Supermarine Spitfire
The Supermarine Spitfire was a British single-seat fighter aircraft renowned for its speed, agility, and iconic role in securing Allied air superiority during World War II.
-
C.
Supermarine
Supermarine was a British aircraft manufacturer best known for designing and producing the iconic Spitfire fighter used by the Royal Air Force during World War II.
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D.
Hawker Hurricane
The Hawker Hurricane was a British single-seat fighter aircraft of World War II, renowned for its crucial role in achieving air superiority during the Battle of Britain.
-
E.
Packard
Packard is a surname most prominently associated with David Packard, the American electrical engineer and co-founder of Hewlett-Packard.
- 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 Griffon Target entity description: 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.
-
A.
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.
-
B.
Supermarine Spitfire
The Supermarine Spitfire was a British single-seat fighter aircraft renowned for its speed, agility, and iconic role in securing Allied air superiority during World War II.
-
C.
Supermarine
Supermarine was a British aircraft manufacturer best known for designing and producing the iconic Spitfire fighter used by the Royal Air Force during World War II.
-
D.
Hawker Hurricane
The Hawker Hurricane was a British single-seat fighter aircraft of World War II, renowned for its crucial role in achieving air superiority during the Battle of Britain.
-
E.
Packard
Packard is a surname most prominently associated with David Packard, the American electrical engineer and co-founder of Hewlett-Packard.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
V12 engine
ⓘ
aircraft piston engine ⓘ liquid-cooled aero engine ⓘ |
| applicationType |
fighter aircraft
ⓘ
maritime patrol aircraft ⓘ |
| bore | 6 inches ⓘ |
| compressionRatio | 6:1 ⓘ |
| configuration | 60-degree V12 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | V ⓘ |
| designedFor | higher power than Rolls-Royce Merlin ⓘ |
| developedDuring | World War II ⓘ |
| displacement | 36.7 litres ⓘ |
| era | 1940s ⓘ |
| firstRunDate | 1939 ⓘ |
| fuelType | aviation gasoline ⓘ |
| ignitionSystem | dual magneto ⓘ |
| manufacturer | Rolls-Royce Limited ⓘ |
| notableFor |
high power-to-weight ratio
ⓘ
high-altitude performance ⓘ powering late-mark Supermarine Spitfires ⓘ |
| notableVariantUser |
Supermarine Seafang
ⓘ
surface form:
Seafire FR Mk 47
Supermarine Spitfire ⓘ
surface form:
Spitfire Mk XIV
Supermarine Spitfire ⓘ
surface form:
Spitfire Mk XIX
|
| numberOfCylinders | 12 ⓘ |
| powerOutput |
approximately 1,730 horsepower in early variants
ⓘ
over 2,000 horsepower in later variants ⓘ |
| predecessor | Rolls-Royce Merlin ⓘ |
| productionPeriod | 1940s ⓘ |
| propellerDrive | reduction gear ⓘ |
| stroke | 6.6 inches ⓘ |
| supercharger | two-stage supercharger ⓘ |
| usedBy |
Fleet Air Arm
ⓘ
Royal Air Force ⓘ |
| usedIn |
Avro Shackleton
ⓘ
Blackburn Firebrand ⓘ Fairey Firefly ⓘ Martin-Baker MB 5 ⓘ Supermarine Seafang ⓘ Supermarine Spitfire ⓘ
surface form:
Supermarine Seafire
Supermarine Spiteful ⓘ Supermarine Spitfire ⓘ |
| usedInConflict |
World War II
ⓘ
surface form:
Second World War
post-war military operations ⓘ |
| valvesPerCylinder | 4 ⓘ |
| 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 Griffon Description of subject: 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.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rolls-Royce Griffon engine
this entity surface form:
Rolls-Royce Griffon liquid-cooled V12 piston engine
this entity surface form:
Rolls-Royce Griffon 89
this entity surface form:
Rolls-Royce Griffon 90
this entity surface form:
Rolls-Royce Griffon engine
this entity surface form:
Rolls‑Royce Griffon IIB
this entity surface form:
Rolls-Royce Griffon (in some RAF roles)
this entity surface form:
Rolls-Royce Griffon engine programme