GE90-77B

Turbofan · General Electric Company
Reaction Turbines
Maximum Takeoff Thrust
363.42 kN
Bypass Ratio
8.58
Overall Pressure Ratio
35.3
Fuel Flow Take Off
2.832 kg/s
NOx Unitaryto CAEP8
96 % 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 DAC II
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 8.58 Overall Pressure Ratio 35.3 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
GE90-77B GE Aircraft Engines 363.42 8.6 35.2 Compare
GE90-76B General Electric Company 363.22 8.53 35.5 Compare
GE90-77B GE Aircraft Engines 357.07 8.58 35.68 Compare
Trent 1000-R3 Rolls-Royce 363.8735 8.8835 49.5509 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 (57 fields)
Name
GE90-77B
EASA ID
3GE063
Aircraft Engine Manufacturer
General Electric Company
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Combustion Chamber
DAC II
Afterburner
No
Streams
2
Bypass Ratio
8.58
Overall Pressure Ratio
35.3
Maximum Takeoff Thrust (kN)
363.42
Hydrocarbon Take Off (g/kg fuel)
0.04
Hydrocarbon Climb Out (g/kg fuel)
0.04
Hydrocarbon Approach (g/kg fuel)
0.07
Hydrocarbon Idle (g/kg fuel)
0.56
Hydrocarbon Unitary Average (g/kN)
0.75
Hydrocarbon Unitary Range (g/kN)
0.44-1.07
Hydrocarbon Unitary Characteristic (g/kN)
0.9
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
4.6
Hydrocarbon LTO (g)
276
Carbon Monoxide Take Off (g/kg fuel)
0.15
Carbon Monoxide Climb Out (g/kg fuel)
0.17
Carbon Monoxide Approach (g/kg fuel)
1.3
Carbon Monoxide Idle (g/kg fuel)
15.26
Carbon Monoxide Unitary Average (g/kN)
19.28
Carbon Monoxide Unitary Range (g/kN)
16.9-21.3
Carbon Monoxide Unitary Characteristic (g/kN)
20.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
17.7
NOx Take Off (g/kg fuel)
40.65
NOx Climb Out (g/kg fuel)
31.89
NOx Approach (g/kg fuel)
15.64
NOx Idle (g/kg fuel)
5.45
NOx Unitary Average (g/kN)
55.03
NOx Unitary Range (g/kN)
51-57.9
NOx Unitary Characteristic (g/kN)
58.3
NOx Unitaryto Standard (% of limit)
52.7
NOx Unitaryto CAEP2 (% of limit)
65.9
NOx Unitaryto CAEP4 (% of limit)
75.1
NOx Unitaryto CAEP6 (% of limit)
83.8
NOx Unitaryto CAEP8 (% of limit)
96
NOx LTO (g)
19995
Smoke Take Off (SN)
1.9
Smoke Climb Out (SN)
1.8
Smoke Approach (SN)
1.8
Smoke Idle (SN)
1.8
Smoke Range (SN)
0-1.92
Smoke Characteristic (SN)
0.6
Smoke Characteristicto Regulatory (% of limit)
3.6
Fuel Flow Take Off (kg/s)
2.832
Fuel Flow Climbout (kg/s)
2.332
Fuel Flow Approach (kg/s)
0.787
Fuel Flow Idle (kg/s)
0.281
Fuel LTO (kg)
1054
Carbon Monoxide LTO (g)
7005
Emissions Data Status
C
Engine Status
Out of production