GE90-77B

Turbofan · General Electric Company
Reaction Turbines
Maximum Takeoff Thrust
366.75 kN
Bypass Ratio
8.52
Overall Pressure Ratio
35.8
Fuel Flow Take Off
2.83 kg/s
NOx Unitaryto CAEP8
99.3 % 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 8.52 Overall Pressure Ratio 35.8 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
GE90-77B General Electric Company 363.4 8.52 35.1 Compare
GE90-76B General Electric Company 363.22 8.53 35.5 Compare
Trent 1000-R3 Rolls-Royce 363.8735 8.8835 49.5509 Compare
GE90-77B GE Aircraft Engines 357.07 8.58 35.68 Compare
GE90-76B GE Aircraft Engines 354.32 8.6 35.45 Compare
Trent 1000-M3 Rolls-Royce 358.1 8.9 48.7 Compare
All data (64 fields)
Name
GE90-77B
EASA ID
9GE125
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
8.52
Overall Pressure Ratio
35.8
Maximum Takeoff Thrust (kN)
366.75
Hydrocarbon Take Off (g/kg fuel)
0.03
Hydrocarbon Climb Out (g/kg fuel)
0.03
Hydrocarbon Approach (g/kg fuel)
0.07
Hydrocarbon Idle (g/kg fuel)
3.16
Hydrocarbon Unitary Average (g/kN)
3.56
Hydrocarbon Unitary Sigma (g/kN)
0.3
Hydrocarbon Unitary Range (g/kN)
3.36-3.91
Hydrocarbon Unitary Characteristic (g/kN)
5.49
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
28
Hydrocarbon LTO (g)
1307
Carbon Monoxide Take Off (g/kg fuel)
0.31
Carbon Monoxide Climb Out (g/kg fuel)
0.32
Carbon Monoxide Approach (g/kg fuel)
2.71
Carbon Monoxide Idle (g/kg fuel)
33.81
Carbon Monoxide Unitary Average (g/kN)
39.03
Carbon Monoxide Unitary SD (g/kN)
1.06
Carbon Monoxide Unitary Range (g/kN)
38.29-40.24
Carbon Monoxide Unitary Characteristic (g/kN)
47.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
40.6
NOx Take Off (g/kg fuel)
40.83
NOx Climb Out (g/kg fuel)
32.78
NOx Approach (g/kg fuel)
13.87
NOx Idle (g/kg fuel)
5.12
NOx Unitary Average (g/kN)
52.88
NOx Unitary SD (g/kN)
0.71
NOx Unitary Range (g/kN)
52.14-53.57
NOx Unitary Characteristic (g/kN)
61.3
NOx Unitaryto Standard (% of limit)
54.9
NOx Unitaryto CAEP2 (% of limit)
68.7
NOx Unitaryto CAEP4 (% of limit)
78
NOx Unitaryto CAEP6 (% of limit)
86.9
NOx Unitaryto CAEP8 (% of limit)
99.3
NOx LTO (g)
19394
Smoke Take Off (SN)
1.02
Smoke Climb Out (SN)
0.82
Smoke Approach (SN)
1.41
Smoke Idle (SN)
1.51
Smoke Max (SN)
1.51
Smoke Sigma (SN)
0.76
Smoke Range (SN)
0.86-2.36
Smoke Characteristic (SN)
1.95
Smoke Characteristicto Regulatory (% of limit)
11.8
Fuel Flow Take Off (kg/s)
2.83
Fuel Flow Climbout (kg/s)
2.309
Fuel Flow Approach (kg/s)
0.745
Fuel Flow Idle (kg/s)
0.26
Fuel LTO (kg)
1007
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
14314
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 d)