GE90-90B

Turbofan · General Electric Company

Reaction Turbines

Maximum Takeoff Thrust

419.25 kN

Bypass Ratio

8.36

Overall Pressure Ratio

39.85

Fuel Flow Take Off

3.38 kg/s

NOx Unitaryto CAEP8

105.5 % of limit

Architecture

Fan	Fan Stages —	Fan Blades —	Fan Technology —	Fan Pressure Ratio —
Gearbox	Geared Fan No	Gear —	Reduction Ratio —
LP compressor	Low-Pressure Compressor Stages —	Low-Pressure Compressor Technology —	BP Compressor Pressure Ratio —
IP compressor	Intermediary-Pressure Compressor Stages —	Intermediary-Pressure Compressor Technology —	IP Compressor Pressure Ratio —
HP compressor	High-Pressure Compressor Stages —	High-Pressure Compressor Technology —	HP Compressor Pressure Ratio —
Combustor	Combustion Chamber PEC
HP turbine	High Pressure Compressor Stages —	High-Pressure Turbine Technology —
IP turbine	Intermediary-Pressure Turbine Stages —	Intermediary-Pressure Turbine Technology —
LP turbine	Low-Pressure Turbine Stages —	Low-Pressure Turbine Technology —
Whole engine	Streams 2	Bypass Ratio 8.36	Overall Pressure Ratio 39.85	Afterburner No

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Similar reaction turbines

Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
GE90-90B	General Electric Company	418.13	8.36	39.8	Compare
GE90-92B	General Electric Company	426.72	8.33	40.6	Compare
GE90-90B	GE Aircraft Engines	410.82	8.36	40.32	Compare
GE90-94B	GE Aircraft Engines	430.92	8.33	40.82	Compare
GE90-94B	GE Aircraft Engines	432.8	8.33	40.53	Compare
GE90-85B	General Electric Company	397.21	8.41	38.16	Compare

All data (64 fields)

Name: GE90-90B
EASA ID: 9GE127
Aircraft Engine Manufacturer: General Electric Company
Aircraft Engine Type: Turbofan
Fuel: Jet A-1
Geared Fan: No
Combustion Chamber: PEC
Afterburner: No
Streams: 2
Bypass Ratio: 8.36
Overall Pressure Ratio: 39.85
Maximum Takeoff Thrust (kN): 419.25
Hydrocarbon Take Off (g/kg fuel): 0.04
Hydrocarbon Climb Out (g/kg fuel): 0.03
Hydrocarbon Approach (g/kg fuel): 0.06
Hydrocarbon Idle (g/kg fuel): 2.59
Hydrocarbon Unitary Average (g/kN): 2.77
Hydrocarbon Unitary Sigma (g/kN): 0.26
Hydrocarbon Unitary Range (g/kN): 2.59-3.06
Hydrocarbon Unitary Characteristic (g/kN): 4.26
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 21.7
Hydrocarbon LTO (g): 1159
Carbon Monoxide Take Off (g/kg fuel): 0.3
Carbon Monoxide Climb Out (g/kg fuel): 0.31
Carbon Monoxide Approach (g/kg fuel): 1.88
Carbon Monoxide Idle (g/kg fuel): 29.89
Carbon Monoxide Unitary Average (g/kN): 32.42
Carbon Monoxide Unitary SD (g/kN): 1.07
Carbon Monoxide Unitary Range (g/kN): 31.6-33.63
Carbon Monoxide Unitary Characteristic (g/kN): 39.8
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 33.7
NOx Take Off (g/kg fuel): 49.21
NOx Climb Out (g/kg fuel): 39.07
NOx Approach (g/kg fuel): 15.44
NOx Idle (g/kg fuel): 5.48
NOx Unitary Average (g/kN): 63.54
NOx Unitary SD (g/kN): 0.57
NOx Unitary Range (g/kN): 62.99-64.13
NOx Unitary Characteristic (g/kN): 73.7
NOx Unitaryto Standard (% of limit): 61.5
NOx Unitaryto CAEP2 (% of limit): 76.9
NOx Unitaryto CAEP4 (% of limit): 84.9
NOx Unitaryto CAEP6 (% of limit): 93.6
NOx Unitaryto CAEP8 (% of limit): 105.5
NOx LTO (g): 26639
Smoke Take Off (SN): 2.42
Smoke Climb Out (SN): 0.82
Smoke Approach (SN): 1
Smoke Idle (SN): 0.95
Smoke Max (SN): 2.42
Smoke Sigma (SN): 0.84
Smoke Range (SN): 1.56-3.24
Smoke Characteristic (SN): 3.11
Smoke Characteristicto Regulatory (% of limit): 19.5
Fuel Flow Take Off (kg/s): 3.38
Fuel Flow Climbout (kg/s): 2.735
Fuel Flow Approach (kg/s): 0.852
Fuel Flow Idle (kg/s): 0.28
Fuel LTO (kg): 1144
Fuel Venting Compliant: Yes
Carbon Monoxide LTO (g): 13593
Emissions Data Status: C
Engine Status: Out of production
NOx Compliance Demonstration: 2.3.2 d)