Rolls-Royce PV-12 engine
E546724
The Rolls-Royce PV-12 engine, later developed into the famous Merlin, was a liquid-cooled V12 aircraft powerplant that became one of the most important and widely used engines of World War II.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Rolls-Royce PV-12 | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
V12 engine
ⓘ
aircraft piston engine ⓘ |
| alsoKnownAs | PV-12 NERFINISHED ⓘ |
| applicationType | military aircraft ⓘ |
| bore | 5.4 in ⓘ |
| compressionRatio | about 6:1 ⓘ |
| coolant | glycol-water mixture ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crankcaseMaterial | aluminium alloy ⓘ |
| cycleType | four-stroke ⓘ |
| cylinderBlocksMaterial | aluminium alloy ⓘ |
| cylinders | 12 ⓘ |
| designedBy |
Arthur Rowledge
NERFINISHED
ⓘ
Ernest Hives NERFINISHED ⓘ Rolls-Royce engineering team ⓘ |
| designGoal | to provide a modern high-power engine for new British fighters ⓘ |
| developedInto | Rolls-Royce Merlin NERFINISHED ⓘ |
| developmentStartDate | early 1930s ⓘ |
| displacement |
1649 cubic inches
ⓘ
27 litres ⓘ |
| engineConfiguration | 60-degree V12 ⓘ |
| era | interwar period ⓘ |
| family | Rolls-Royce Merlin family NERFINISHED ⓘ |
| firstRunDate | 1933 ⓘ |
| fuelSystem | carburettor ⓘ |
| fuelType | aviation gasoline ⓘ |
| governingBodyInteraction | developed partly as a private venture before official support ⓘ |
| historicalSignificance | precursor to one of the most important Allied engines of World War II ⓘ |
| ignitionSystem | dual magnetos ⓘ |
| induction | supercharged ⓘ |
| influencedBy | Rolls-Royce Kestrel design principles ⓘ |
| manufacturer | Rolls-Royce Limited NERFINISHED ⓘ |
| mounting | inverted V12 layout was considered but not adopted ⓘ |
| notableFor |
forming the basis of the Rolls-Royce Merlin
ⓘ
influencing World War II aircraft engine design ⓘ liquid-cooled V12 layout ⓘ |
| powerOutput | approximately 740 hp in early form ⓘ |
| relatedEngine | Rolls-Royce Kestrel NERFINISHED ⓘ |
| role | fighter aircraft engine prototype ⓘ |
| status | prototype ⓘ |
| stroke | 6.0 in ⓘ |
| successor | Rolls-Royce Merlin NERFINISHED ⓘ |
| supercharging | single-stage supercharger ⓘ |
| usedIn | prototype aircraft ⓘ |
| valvesPerCylinder | 4 ⓘ |
| valvetrain | single overhead camshaft per bank ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.