GEnx-1B67

Turbofan · GE Aircraft Engines
Reaction Turbines
Maximum Takeoff Thrust
308.7 kN
Bypass Ratio
8.9
Overall Pressure Ratio
41.9
Fuel Flow Take Off
2.368 kg/s
NOx Unitaryto CAEP8
49.5 % 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 TAPS
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 8.9 Overall Pressure Ratio 41.9 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
GEnx-1B67/P1 GE Aircraft Engines 308.7 8.9 41.9 Compare
GEnx-1B67/P2 GE Aircraft Engines 308.7 8.92 42.2 Compare
Trent7000-68 Rolls-Royce 308.7377 9.1552 42.9717 Compare
Trent 1000-AE3 Rolls-Royce 310.864 9.1403 43.1772 Compare
Trent 1000-A2 Rolls-Royce 310.9 9.32 41.3 Compare
Trent 1000-A Rolls-Royce 310.8 9.47 41 Compare
All data (64 fields)
Name
GEnx-1B67
EASA ID
11GE137
Aircraft Engine Manufacturer
GE Aircraft Engines
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Combustion Chamber
TAPS
Afterburner
No
Streams
2
Bypass Ratio
8.9
Overall Pressure Ratio
41.9
Maximum Takeoff Thrust (kN)
308.7
Hydrocarbon Take Off (g/kg fuel)
0.02
Hydrocarbon Climb Out (g/kg fuel)
0.02
Hydrocarbon Approach (g/kg fuel)
0.06
Hydrocarbon Idle (g/kg fuel)
0.72
Hydrocarbon Unitary Average (g/kN)
0.79
Hydrocarbon Unitary Sigma (g/kN)
0.05
Hydrocarbon Unitary Range (g/kN)
0.75-0.84
Hydrocarbon Unitary Characteristic (g/kN)
1.21
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
6.2
Hydrocarbon LTO (g)
244
Carbon Monoxide Take Off (g/kg fuel)
0.17
Carbon Monoxide Climb Out (g/kg fuel)
0.3
Carbon Monoxide Approach (g/kg fuel)
2.76
Carbon Monoxide Idle (g/kg fuel)
20.7
Carbon Monoxide Unitary Average (g/kN)
22.9
Carbon Monoxide Unitary SD (g/kN)
0.5
Carbon Monoxide Unitary Range (g/kN)
22.47-23.38
Carbon Monoxide Unitary Characteristic (g/kN)
28.1
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
23.8
NOx Take Off (g/kg fuel)
28.56
NOx Climb Out (g/kg fuel)
16.26
NOx Approach (g/kg fuel)
9.29
NOx Idle (g/kg fuel)
4.3
NOx Unitary Average (g/kN)
31.61
NOx Unitary SD (g/kN)
0.19
NOx Unitary Range (g/kN)
31.4-31.75
NOx Unitary Characteristic (g/kN)
36.6
NOx Unitaryto Standard (% of limit)
29.6
NOx Unitaryto CAEP2 (% of limit)
37
NOx Unitaryto CAEP4 (% of limit)
40.3
NOx Unitaryto CAEP6 (% of limit)
44.2
NOx Unitaryto CAEP8 (% of limit)
49.5
NOx LTO (g)
9759
Smoke Take Off (SN)
0
Smoke Climb Out (SN)
0
Smoke Approach (SN)
5.54
Smoke Idle (SN)
0.05
Smoke Max (SN)
4.8
Smoke Sigma (SN)
1.2
Smoke Range (SN)
3.74-6.07
Smoke Characteristic (SN)
6.1
Smoke Characteristicto Regulatory (% of limit)
35.1
Fuel Flow Take Off (kg/s)
2.368
Fuel Flow Climbout (kg/s)
1.94
Fuel Flow Approach (kg/s)
0.625
Fuel Flow Idle (kg/s)
0.203
Fuel LTO (kg)
822
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
7071
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 e)