PV-12

E25571

Rolls-Royce Merlin prototype V12 engine aircraft engine liquid-cooled engine piston engine

PV-12 is the original development designation for the Rolls-Royce Merlin, the famous British liquid-cooled V12 aircraft engine used extensively in World War II fighters and bombers.

Statements (32)

Predicate	Object
instanceOf	Rolls-Royce Merlin prototype → V12 engine → aircraft engine → liquid-cooled engine → piston engine →
application	bomber aircraft → fighter aircraft →
category	Rolls-Royce aircraft engines → World War II aircraft piston engines →
coolingSystem	liquid-cooled →
countryOfOrigin	United Kingdom →
developedFrom	Rolls-Royce Kestrel (design experience) →
developmentCode	PV-12 →
engineConfiguration	60-degree V12 →
engineCycle	four-stroke →
engineType	reciprocating internal combustion engine →
era	1930s →
fuelType	aviation gasoline →
intendedRole	high-performance fighter engine →
manufacturer	Rolls-Royce Limited →
notableFeature	compact high-power V12 layout →
notableFor	being the basis of the Rolls-Royce Merlin family →
originalDesignationOf	Rolls-Royce Merlin →
powerTransmission	propeller drive →
successor	Rolls-Royce Merlin I → Rolls-Royce Merlin II → Rolls-Royce Merlin III →
supercharging	single-stage supercharger →
usedBy	Royal Air Force (via Merlin derivatives) →
usedInConflict	Second World War →
valveArrangement	four valves per cylinder →
valvetrain	overhead camshaft →

Referenced by (1)

Subject (surface form when different)	Predicate
Rolls-Royce Merlin →	alsoKnownAs