Rolls-Royce Meteor petrol engine
E881015
The Rolls-Royce Meteor petrol engine was a powerful British V12 tank engine derived from the Merlin aircraft engine, widely used to propel World War II armored vehicles such as the Cromwell.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rolls-Royce Meteor petrol engine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10712586 — 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 Meteor petrol engine Context triple: [Cromwell tank, engine, Rolls-Royce Meteor petrol engine]
-
A.
Armstrong Siddeley V-8 petrol engine
The Armstrong Siddeley V-8 petrol engine was a British-made eight-cylinder internal combustion engine used to power interwar armored vehicles and other military applications.
-
B.
Rolls-Royce R engine
The Rolls-Royce R engine was a high-performance British aero engine developed in the late 1920s that powered record-breaking racing seaplanes and laid the technological groundwork for later Rolls-Royce engines like the Merlin.
-
C.
Rolls-Royce Kestrel engine
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.
-
D.
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.
-
E.
Rolls-Royce K60 multi-fuel engine
The Rolls-Royce K60 is a British-designed, compact, opposed-piston multi-fuel diesel engine widely used to power Cold War–era armored fighting vehicles.
- 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 Meteor petrol engine Target entity description: The Rolls-Royce Meteor petrol engine was a powerful British V12 tank engine derived from the Merlin aircraft engine, widely used to propel World War II armored vehicles such as the Cromwell.
-
A.
Armstrong Siddeley V-8 petrol engine
The Armstrong Siddeley V-8 petrol engine was a British-made eight-cylinder internal combustion engine used to power interwar armored vehicles and other military applications.
-
B.
Rolls-Royce R engine
The Rolls-Royce R engine was a high-performance British aero engine developed in the late 1920s that powered record-breaking racing seaplanes and laid the technological groundwork for later Rolls-Royce engines like the Merlin.
-
C.
Rolls-Royce Kestrel engine
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.
-
D.
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.
-
E.
Rolls-Royce K60 multi-fuel engine
The Rolls-Royce K60 is a British-designed, compact, opposed-piston multi-fuel diesel engine widely used to power Cold War–era armored fighting vehicles.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
V12 engine
ⓘ
petrol engine ⓘ tank engine ⓘ |
| applicationType | armoured fighting vehicle propulsion ⓘ |
| aspiration | naturally aspirated ⓘ |
| bore | 5.4 in ⓘ |
| configuration | 60° V12 ⓘ |
| continuedInServiceUntil | post‑war decades ⓘ |
| coolant | water-glycol mixture ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crankshaftDirection | clockwise (viewed from rear) ⓘ |
| cylinderArrangement | V ⓘ |
| cylinderCount | 12 ⓘ |
| derivedFrom | Rolls-Royce Merlin NERFINISHED ⓘ |
| designedBy |
Rolls-Royce engineers
ⓘ
W. A. Robotham NERFINISHED ⓘ |
| designedFor | British cruiser tanks ⓘ |
| differenceFromMerlin |
adapted for low‑octane fuel
ⓘ
no supercharger ⓘ reduced compression ratio ⓘ simplified for ground use ⓘ |
| displacement |
1649 cubic inches
ⓘ
27 litres ⓘ |
| era |
World War II
ⓘ
surface form:
World War II era
|
| fuelType | petrol ⓘ |
| ignitionSystem | magneto ignition ⓘ |
| manufacturer | Rolls-Royce Limited NERFINISHED ⓘ |
| material |
alloy cylinder heads
ⓘ
steel cylinder liners ⓘ |
| notableFeature |
derived from a high‑performance aircraft engine
ⓘ
high power-to-weight ratio for an armored vehicle engine ⓘ |
| powerOutput |
about 550 bhp in early versions
ⓘ
about 600 bhp at 2550 rpm ⓘ |
| predecessor | Rolls-Royce Merlin (as design basis) NERFINISHED ⓘ |
| primaryRole | tank propulsion ⓘ |
| productionStart | 1941 ⓘ |
| serviceBranch | British Army ⓘ |
| stroke | 6.0 in ⓘ |
| successor |
Leyland L60 (in later British tanks)
NERFINISHED
ⓘ
Rolls-Royce Meteorite NERFINISHED ⓘ |
| torqueOutput | high low‑speed torque suitable for tanks ⓘ |
| usedInConflict |
World War II
ⓘ
surface form:
Second World War
|
| usedInVehicle |
Archer self-propelled gun
NERFINISHED
ⓘ
Centurion tank NERFINISHED ⓘ Challenger tank (A30) NERFINISHED ⓘ Comet tank NERFINISHED ⓘ Cromwell tank NERFINISHED ⓘ TOG 2 tank prototype NERFINISHED ⓘ |
| 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 Meteor petrol engine Description of subject: The Rolls-Royce Meteor petrol engine was a powerful British V12 tank engine derived from the Merlin aircraft engine, widely used to propel World War II armored vehicles such as the Cromwell.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cromwell tank