General Electric YJ101

YJ101
Type	Turbofan
National origin	United States
Manufacturer	General Electric Aircraft Engines
First run	1978
Major applications	Northrop YF-17
Developed into	General Electric F404

The General Electric YJ101 was an afterburning turbofan engine in the 15,000 lbf class (static thrust). Developed for the Northrop YF-17 entry in the Lightweight Fighter (LWF) competition, the YJ101 formed the basis for General Electric's highly successful F404 engine.

The bypass ratio was intentionally designed to be very low, to avoid the inlet instabilty issues associated with earlier TF30 engines on the F-111. For marketing reasons, the engine was designated as a "J" (jet) type, and not an "F" (fan) engine. In fact, some engineers described the YJ101 as a "leaky turbojet".

Applications

Northrop YF-17

Specifications (YJ101)

General characteristics

Type: Turbofan
Length:
Diameter:
Dry weight:

Components

Compressor: axial
Combustors: annular

Performance

Maximum power output:
Power-to-weight ratio:

References

Spick, Mike (2000). The Great Book of Modern Warplanes. Osceola, WI: MBI Publishing Company. ISBN 0-7603-0893-4.

External links

F404 page on GlobalSecurity.org

General Electric aircraft engines

Turbojets	CJ610 CJ805 GE1 GE4/J5P J31 J33 J35 J47 J73 J79 J85 J87 YJ93 J97 YJ101

Turbofans	CF6 CF34 CF700 CFE738† CFM56/F108† CJ805-23 F101 F110 F118 YF120 F136† F404/F412/RM12 F414 GE90 GEnx GP7000† HF120† LEAP† Passport TF34 TF39 RM12

Turboprops/Turboshafts	GE27 GE36 GE38-1B H80 T31 T58/CT58 T64/CT64 T407 T408 T700/CT7 Advanced Turboprop

Aeroderivative gas turbine engines	LM500 LM1500 LM1600 LM2500 LM6000 LMS100 LV100†

† Joint development aeroengines

United States military gas turbine aircraft engine designation system

Turbojets	J30 J31 J32 J33 J34 J35 J36 J37 XJ38 J39 J40 XJ41 J42 J43 J44 J45 J46 J47 J48 XJ49 J51 J52 J53 J54 J55 J56 J57 J58 J59 J60 J61 J63 J65 J67 J69 J71 J73 J75 J79 J81 J83 J85 J87 J89 J91 YJ93 J95 J97 J99 J100 YJ101 J102 J400 J401 J402 J403 J700

Turboprops/ Turboshafts	T30 T31 T33 T34 T35 T36 T37 T38 T39 T40 T41 T42 T43 T44 T45 T46 T47 T48 T49 T50 T51 T52 T53 T54 T55 T56 T57 T58 T60 T61 T62 T63 T64 T65 T66 T67 T68 T69 T70 T71 T72 T73 T74 T76 T78 T80 T100 T101 T400 T405 T406 T407 T408 T700 T701 T702 T703 T706 T708 T800

Turbofans	TF30 TF31 TF32 TF33 TF34 TF35 TF37 TF39 TF41 F100 F101 F102 F103 F104 F105 F106 F107 F108 F109 F110 F112 F113 F117 F118 F119 YF120 F121 F122 F124 F125 F126 F127 F128 F129 F135 F136 F137 F138 F400 F401 F402 F404 F405 F408 F412 F414 F415

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