General Electric YF120

E750331

The General Electric YF120 was an experimental variable-cycle turbofan engine developed in the late 1980s for advanced U.S. fighter aircraft, notable for its high thrust, fuel efficiency, and adaptability across different flight regimes.

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Statements (49)

Predicate Object
instanceOf experimental aircraft engine
turbofan engine
applicationDomain military aviation
competitor Pratt & Whitney YF119 NERFINISHED
configuration low-bypass afterburning turbofan
countryOfOrigin United States of America
surface form: United States
cycleType adaptive cycle
designedForAircraft Lockheed YF-22 NERFINISHED
Northrop YF-23 NERFINISHED
designedForProgram Advanced Tactical Fighter program NERFINISHED
designGoal good part-throttle fuel consumption
high specific thrust
reduced infrared signature
reduced radar cross-section contribution
supercruise capability support
developer General Electric Aircraft Engines NERFINISHED
developmentStart 1980s
engineType variable-cycle turbofan
era late 1980s
feature adaptability across different flight regimes
high thrust-to-weight ratio
higher-bypass operation for cruise efficiency
improved fuel efficiency
low-bypass operation for high-speed performance
thrust vectoring capability in some test configurations
generation fourth-generation fighter engine technology
influenced GE adaptive cycle engine research
intendedProductionApplication F-22 Raptor NERFINISHED
intendedRole powerplant for air superiority fighter
powerplant for multirole fighter
manufacturer General Electric NERFINISHED
notableFor advanced materials and cooling technologies
high overall pressure ratio for its time
variable-cycle operation between high and low bypass modes
programOutcome lost Advanced Tactical Fighter engine competition to Pratt & Whitney YF119
programType U.S. Air Force engine demonstrator
relatedTo General Electric F110 NERFINISHED
General Electric F120 (proposed production derivative) NERFINISHED
status not selected for production
prototype
technologyDemonstratorFor later adaptive-cycle engine concepts
testApplication YF-22 prototype
YF-23 prototype
testEnvironment flight test on YF-22
flight test on YF-23
ground test stands
thrustClass approximately 24,000–26,000 lbf class dry
approximately 35,000 lbf class in afterburner
usedFor advanced fighter aircraft

Referenced by (1)

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

YF-23 Black Widow II engineOption General Electric YF120