Rolls-Royce Pegasus turbofan

E98227

The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.


Statements (48)
Predicate Object
instanceOf turbofan engine
vectored-thrust jet engine
acquiredBy Rolls-Royce NERFINISHED
alsoKnownAs Bristol Siddeley Pegasus NERFINISHED
Rolls-Royce RB.168 NERFINISHED
application V/STOL fighter aircraft
bypassRatio low-bypass
category military aircraft engine
configuration two-spool turbofan
controlSystem hydro-mechanical control
countryOfOrigin United Kingdom
designedBy Bristol Siddeley NERFINISHED
developedFrom Bristol Orpheus NERFINISHED
developmentStarted 1950s
enablesCapability short takeoff and landing
vertical takeoff and landing
enteredService 1960s
firstRun 1959
fuelType aviation kerosene
hasFeature annular combustor
axial-flow compressor
front fan driven by low-pressure turbine
high-pressure and low-pressure turbines
mechanically linked nozzle actuation system
hasNozzles two cold (fan) nozzles
two hot (core) nozzles
manufacturer Rolls-Royce NERFINISHED
notableConflictUse Falklands War NERFINISHED
Gulf War NERFINISHED
notableFor enabling operational V/STOL combat aircraft
notableVariant Pegasus 11 NERFINISHED
Pegasus 11-61 NERFINISHED
nozzleDeflectionRange approximately 0 to 98 degrees
operator Indian Navy NERFINISHED
Italian Navy NERFINISHED
Royal Air Force NERFINISHED
Royal Navy
United States Marine Corps NERFINISHED
primaryUse Harrier family of aircraft NERFINISHED
role military turbofan engine
thrustClass around 20,000 to 24,000 lbf dry
thrustVectoring four swivelling exhaust nozzles
usedFor expeditionary air operations
shipborne operations
usedInAircraft BAE Systems Harrier II NERFINISHED
British Aerospace Sea Harrier NERFINISHED
Hawker Siddeley Harrier NERFINISHED
McDonnell Douglas AV-8B Harrier II NERFINISHED

Referenced by (2)

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

AV-8B Harrier II engine Rolls-Royce Pegasus turbofan
Sea Harrier fighter aircraft poweredBy Rolls-Royce Pegasus turbofan
surface form: "Rolls-Royce Pegasus turbofan engine"

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