Packard V-1650
E25875
The Packard V-1650 is an American-built version of the Rolls-Royce Merlin V-12 aircraft engine, produced under license by Packard and widely used in World War II fighters such as the P-51 Mustang.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Packard V-1650 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T201669 — 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.
Target entity: Packard V-1650 Context triple: [Rolls-Royce Merlin, licenseBuiltAs, Packard V-1650]
-
A.
Packard
Packard is a surname most prominently associated with David Packard, the American electrical engineer and co-founder of Hewlett-Packard.
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B.
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.
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C.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
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D.
Oldsmobile Delmont 88
The Oldsmobile Delmont 88 is a full-size American car produced by Oldsmobile in the late 1960s, known historically for being the model involved in the Chappaquiddick incident.
-
E.
Oldsmobile Ninety-Eight
The Oldsmobile Ninety-Eight was a full-size flagship luxury sedan produced by General Motors’ Oldsmobile division, known for its upscale features, powerful V8 engines, and long-running presence from the mid-20th century into the 1990s.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Packard V-1650 Target entity description: The Packard V-1650 is an American-built version of the Rolls-Royce Merlin V-12 aircraft engine, produced under license by Packard and widely used in World War II fighters such as the P-51 Mustang.
-
A.
Packard
Packard is a surname most prominently associated with David Packard, the American electrical engineer and co-founder of Hewlett-Packard.
-
B.
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.
-
C.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
D.
Oldsmobile Delmont 88
The Oldsmobile Delmont 88 is a full-size American car produced by Oldsmobile in the late 1960s, known historically for being the model involved in the Chappaquiddick incident.
-
E.
Oldsmobile Ninety-Eight
The Oldsmobile Ninety-Eight was a full-size flagship luxury sedan produced by General Motors’ Oldsmobile division, known for its upscale features, powerful V8 engines, and long-running presence from the mid-20th century into the 1990s.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
V-12 engine
ⓘ
aircraft engine ⓘ liquid-cooled piston engine ⓘ |
| alliedService |
Royal Air Force
ⓘ
Royal Canadian Air Force ⓘ United States Army Air Forces ⓘ |
| application |
bomber aircraft (limited use)
ⓘ
fighter aircraft ⓘ |
| basedOn | Rolls-Royce Merlin ⓘ |
| compressionRatio | varied by variant ⓘ |
| configuration | 60-degree V-12 ⓘ |
| coolant | water-glycol mixture ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| cylinderBore | 5.4 inches ⓘ |
| designOrigin | Rolls-Royce Limited ⓘ |
| displacement |
1649 cubic inches
ⓘ
27 litres ⓘ |
| era | 1940s ⓘ |
| firstFlightService | early 1940s ⓘ |
| fuelDelivery | updraft carburetor (early) and improved carburetion (later) ⓘ |
| fuelSystem | carbureted ⓘ |
| fuelType | aviation gasoline ⓘ |
| ignitionSystem | dual magneto ⓘ |
| induction | supercharged ⓘ |
| licenseManufacturerOf | Rolls-Royce Merlin ⓘ |
| manufacturer | Packard Motor Car Company ⓘ |
| notableFeature |
high-altitude performance
ⓘ
two-stage two-speed supercharger (later variants) ⓘ |
| notableImpact | significantly improved performance of Merlin-powered American fighters ⓘ |
| notableRole | enabled long-range escort capability of P-51 Mustang ⓘ |
| notableVariant |
V-1650-3
ⓘ
V-1650-3 ⓘ
surface form:
V-1650-7
|
| pistonStroke | 6.0 inches ⓘ |
| powerOutputRange | 1300 to over 1700 horsepower depending on variant ⓘ |
| productionType | license-built ⓘ |
| superchargerStages |
1 (early variants)
ⓘ
2 (later variants) ⓘ |
| usedInAircraft |
Avro Lancaster (experimental installations)
ⓘ
Curtiss P-40 Warhawk ⓘ
surface form:
Curtiss P-40
North American P-51 Mustang ⓘ North American P-51 Mustang ⓘ
surface form:
P-51B Mustang
North American P-51 Mustang ⓘ
surface form:
P-51C Mustang
North American P-51 Mustang ⓘ
surface form:
P-51D Mustang
North American P-51 Mustang ⓘ
surface form:
P-51K Mustang
|
| usedInConflict | World War II ⓘ |
| valvesPerCylinder | 4 ⓘ |
| valvetrain | single overhead camshaft per bank ⓘ |
| warProduction | mass-produced ⓘ |
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.
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.
Subject: Packard V-1650 Description of subject: The Packard V-1650 is an American-built version of the Rolls-Royce Merlin V-12 aircraft engine, produced under license by Packard and widely used in World War II fighters such as the P-51 Mustang.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.