GE90-85B

Turbofan · GE Aircraft Engines

Reaction Turbines

Maximum Takeoff Thrust

388.4 kN

Bypass Ratio

8.44

Overall Pressure Ratio

38.37

Fuel Flow Take Off

3.182 kg/s

NOx Unitaryto CAEP8

111.5 % 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 8.44	Overall Pressure Ratio 38.37	Afterburner No

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Similar reaction turbines

Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
GE90-85B	General Electric Company	395.31	8.44	38	Compare
Trent XWB-84EP	Rolls-Royce	379.05	8.76	43.97	Compare
Trent XWB-84	Rolls-Royce	379	9.01	41.09	Compare
GE90-77B	General Electric Company	366.75	8.52	35.8	Compare
GE90-90B	GE Aircraft Engines	410.82	8.36	40.32	Compare
GE90-76B	General Electric Company	363.22	8.53	35.5	Compare

All data (63 fields)

Name: GE90-85B
EASA ID: 9GE122
Aircraft Engine Manufacturer: GE Aircraft Engines
Aircraft Engine Type: Turbofan
Fuel: Jet A-1
Geared Fan: No
Combustion Chamber: PEC
Afterburner: No
Streams: 2
Bypass Ratio: 8.44
Overall Pressure Ratio: 38.37
Maximum Takeoff Thrust (kN): 388.4
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): 2.96
Hydrocarbon Unitary Average (g/kN): 3.55
Hydrocarbon Unitary Sigma (g/kN): 0.32
Hydrocarbon Unitary Range (g/kN): 3.34-3.92
Hydrocarbon Unitary Characteristic (g/kN): 5.47
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 27.9
Hydrocarbon LTO (g): 1379
Carbon Monoxide Take Off (g/kg fuel): 0.32
Carbon Monoxide Climb Out (g/kg fuel): 0.32
Carbon Monoxide Approach (g/kg fuel): 1.79
Carbon Monoxide Idle (g/kg fuel): 32.26
Carbon Monoxide Unitary Average (g/kN): 39.17
Carbon Monoxide Unitary SD (g/kN): 1.21
Carbon Monoxide Unitary Range (g/kN): 38.33-40.55
Carbon Monoxide Unitary Characteristic (g/kN): 48.1
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 40.7
NOx Take Off (g/kg fuel): 46.77
NOx Climb Out (g/kg fuel): 38.49
NOx Approach (g/kg fuel): 15.56
NOx Idle (g/kg fuel): 5.25
NOx Unitary Average (g/kN): 64.33
NOx Unitary SD (g/kN): 0.54
NOx Unitary Range (g/kN): 63.8-64.88
NOx Unitary Characteristic (g/kN): 74.6
NOx Unitaryto Standard (% of limit): 63.9
NOx Unitaryto CAEP2 (% of limit): 79.8
NOx Unitaryto CAEP4 (% of limit): 89.1
NOx Unitaryto CAEP6 (% of limit): 98.5
NOx Unitaryto CAEP8 (% of limit): 111.5
NOx LTO (g): 24985
Smoke Take Off (SN): 1.68
Smoke Climb Out (SN): 0.75
Smoke Approach (SN): 1.35
Smoke Idle (SN): 1.2
Smoke Max (SN): 1.68
Smoke Sigma (SN): 0.47
Smoke Range (SN): 1.23-2.16
Smoke Characteristic (SN): 2.17
Smoke Characteristicto Regulatory (% of limit): 13.3
Fuel Flow Take Off (kg/s): 3.182
Fuel Flow Climbout (kg/s): 2.591
Fuel Flow Approach (kg/s): 0.851
Fuel Flow Idle (kg/s): 0.292
Fuel LTO (kg): 1135
Fuel Venting Compliant: Yes
Carbon Monoxide LTO (g): 15214
Emissions Data Status: C
Engine Status: Out of production