Rolls-Royce Merlin

E4518
V12 engine aircraft piston engine liquid-cooled aircraft engine

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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All labels observed (22)

Label Occurrences
Rolls-Royce Merlin canonical 13
Rolls-Royce Merlin engine 5
Rolls-Royce Merlin V12 piston engine 2

Statements (50)

Predicate Object
instanceOf V12 engine ⓘ
aircraft piston engine ⓘ
liquid-cooled aircraft engine ⓘ
alsoKnownAs PV-12 ⓘ
application civilian transport aircraft postwar ⓘ
bore 5.4 inches ⓘ
configuration 60-degree V12 ⓘ
coolingSystem liquid-cooled ⓘ
countryOfOrigin United Kingdom ⓘ
designer Rolls-Royce engineering team ⓘ
displacement 1649 cubic inches ⓘ
27 litres ⓘ
enteredService 1937 ⓘ
era World War II ⓘ
firstRunDate 1933 ⓘ
fuelSystem carburetted ⓘ
fuelType aviation gasoline ⓘ
heritageStatus iconic British aero engine ⓘ
ignitionSystem dual magneto ⓘ
induction supercharged ⓘ
influenced development of high-performance piston aero engines ⓘ
licenseBuiltAs Packard V-1650 ⓘ
lubricationSystem dry sump ⓘ
manufacturer Rolls-Royce Limited ⓘ
notableAircraftPowered Avro Lancaster ⓘ
Boulton Paul Defiant ⓘ
Fairey Battle ⓘ
Handley Page Halifax ⓘ
Hawker Hurricane ⓘ
North American P-51 Mustang ⓘ
Supermarine Spitfire ⓘ
Vickers Wellington ⓘ
de Havilland Mosquito ⓘ
notableFeature high-altitude performance in later variants ⓘ
two-speed supercharger on later marks ⓘ
numberBuilt over 160000 ⓘ
numberOfCylinders 12 ⓘ
powerOutputRange approximately 750 to over 2000 horsepower depending on variant ⓘ
primaryUse bomber aircraft ⓘ
fighter aircraft ⓘ
productionPeriod 1936–1950s ⓘ
stroke 6.0 inches ⓘ
successor Rolls-Royce Griffon ⓘ
superchargerType centrifugal supercharger ⓘ
typicalPowerOutput 1000 to 1700 horsepower ⓘ
usedBy Royal Air Force ⓘ
United States Army Air Forces ⓘ
usedInConflict World War II ⓘ
surface form: Second World War
valvesPerCylinder 4 ⓘ
valvetrain single overhead camshaft per bank ⓘ

Referenced by (41)

Full triples — surface form annotated when it differs from this entity's canonical label.

Supermarine Spitfire → typicalEngine → Rolls-Royce Merlin ⓘ
Hawker Hurricane → engineModel → Rolls-Royce Merlin ⓘ
Hurricane → engineType → Rolls-Royce Merlin ⓘ
subject surface form: Hawker Hurricane
Rolls-Royce Griffon → predecessor → Rolls-Royce Merlin ⓘ
Supermarine → spitfireEngineType → Rolls-Royce Merlin ⓘ
Merlin 1A → family → Rolls-Royce Merlin ⓘ
this entity surface form: Merlin engine family
Lancaster → engineType → Rolls-Royce Merlin ⓘ
subject surface form: Avro Lancaster
this entity surface form: Rolls-Royce Merlin V12 piston engine
Rolls-Royce Limited → notableProduct → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin engine
PV-12 → originalDesignationOf → Rolls-Royce Merlin ⓘ
PV-12 → successor → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin I
PV-12 → successor → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin II
PV-12 → successor → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin III
Packard V-1650 → basedOn → Rolls-Royce Merlin ⓘ
Packard V-1650 → licenseManufacturerOf → Rolls-Royce Merlin ⓘ
Handley Page Halifax → powerplant → Rolls-Royce Merlin ⓘ
de Havilland Mosquito → powerplant → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls‑Royce Merlin V12 engine
Boulton Paul Defiant → engineType → Rolls-Royce Merlin ⓘ
Boulton Paul Defiant → MkIIEngine → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin XX
Fairey Battle → engineType → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls‑Royce Merlin
Avro Lancaster → engineType → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin V12 piston engine
North American P-51 Mustang → notableEngine → Rolls-Royce Merlin ⓘ
this entity surface form: Packard V-1650 Merlin
Supermarine Seafire → powerplant → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin engine
Avro Lincoln → powerplant → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls‑Royce Merlin engines
Rolls-Royce Kestrel (design experience) → informedDesignOf → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin engine
Avro Lancaster (experimental installations) → powerplantTypeTested → Rolls-Royce Merlin ⓘ
Avro Lancaster (experimental installations) → powerplantTypeTested → Rolls-Royce Merlin ⓘ
this entity surface form: Packard-built Merlin
V-1650-3 → basedOn → Rolls-Royce Merlin ⓘ
V-1650-3 → derivedFrom → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin 60-series
Henry Royce → notableWork → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin engine
Whitley bomber → powerplantVariant → Rolls-Royce Merlin ⓘ
subject surface form: Armstrong Whitworth Whitley
this entity surface form: Rolls-Royce Merlin X
Whitley bomber → powerplantVariant → Rolls-Royce Merlin ⓘ
subject surface form: Armstrong Whitworth Whitley
this entity surface form: Rolls-Royce Merlin IV
Defiant Mk I → engineModel → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls‑Royce Merlin III
Ernest Hives → notableWork → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin engine programme
Mosquito NF Mk II → engineModel → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin 21
Mosquito NF Mk II → engineModel → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin 23
Lanc → engineType → Rolls-Royce Merlin ⓘ
subject surface form: Avro Lancaster
this entity surface form: Rolls‑Royce Merlin
Fairey Fulmar → powerplant → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin VIII
de Havilland Sea Hornet → powerplant → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin engine
Rolls-Royce Kestrel → designInfluenceOn → Rolls-Royce Merlin ⓘ
Rolls‑Royce Vulture engine → replacedBy → Rolls-Royce Merlin ⓘ
subject surface form: Rolls-Royce Vulture
this entity surface form: Rolls-Royce Merlin (in Avro Manchester derivatives)
Hurricane Mk IIC → engineModel → Rolls-Royce Merlin ⓘ
this entity surface form: Rolls-Royce Merlin XX