GEnx-1B74/75/P1

Turbofan · GE Aircraft Engines
Reaction Turbines
Maximum Takeoff Thrust
341.2 kN
Bypass Ratio
8.8
Overall Pressure Ratio
46
Fuel Flow Take Off
2.709 kg/s
NOx Unitaryto CAEP8
63.16 % 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 8.8 Overall Pressure Ratio 46 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
GEnx-1B74/75/P2 General Electric Company 341.1786 8.7292 46.0683 Compare
GEnx-1B75/P1 GE Aircraft Engines 345.2 8.8 46.5 Compare
GEnx-1B75/P2 General Electric Company 345.182 8.7 46.6045 Compare
Trent 970-84 Rolls-Royce 338.7 8.45 38 Compare
Trent 1000-CE3 Rolls-Royce 334.7 9 45.8 Compare
Trent 1000 -D3 Rolls-Royce 334.7 9 45.8 Compare
All data (64 fields)
Name
GEnx-1B74/75/P1
EASA ID
12GE155
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
8.8
Overall Pressure Ratio
46
Maximum Takeoff Thrust (kN)
341.2
Hydrocarbon Take Off (g/kg fuel)
0.03
Hydrocarbon Climb Out (g/kg fuel)
0.02
Hydrocarbon Approach (g/kg fuel)
0.05
Hydrocarbon Idle (g/kg fuel)
0.44
Hydrocarbon Unitary Average (g/kN)
0.51
Hydrocarbon Unitary Sigma (g/kN)
0.03
Hydrocarbon Unitary Range (g/kN)
0.49-0.54
Hydrocarbon Unitary Characteristic (g/kN)
0.78
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
3.98
Hydrocarbon LTO (g)
173
Carbon Monoxide Take Off (g/kg fuel)
0.17
Carbon Monoxide Climb Out (g/kg fuel)
0.19
Carbon Monoxide Approach (g/kg fuel)
2.09
Carbon Monoxide Idle (g/kg fuel)
16.86
Carbon Monoxide Unitary Average (g/kN)
18.66
Carbon Monoxide Unitary SD (g/kN)
0.35
Carbon Monoxide Unitary Range (g/kN)
18.33-19.02
Carbon Monoxide Unitary Characteristic (g/kN)
22.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
19.41
NOx Take Off (g/kg fuel)
44.96
NOx Climb Out (g/kg fuel)
23.36
NOx Approach (g/kg fuel)
10.3
NOx Idle (g/kg fuel)
4.61
NOx Unitary Average (g/kN)
44.75
NOx Unitary SD (g/kN)
0.44
NOx Unitary Range (g/kN)
44.26-45.11
NOx Unitary Characteristic (g/kN)
51.87
NOx Unitaryto Standard (% of limit)
39.3
NOx Unitaryto CAEP2 (% of limit)
49.12
NOx Unitaryto CAEP4 (% of limit)
52.39
NOx Unitaryto CAEP6 (% of limit)
57.03
NOx Unitaryto CAEP8 (% of limit)
63.16
NOx LTO (g)
15268
Smoke Take Off (SN)
0
Smoke Climb Out (SN)
0
Smoke Approach (SN)
6.7
Smoke Idle (SN)
0.08
Smoke Max (SN)
7.6
Smoke Sigma (SN)
2.05
Smoke Range (SN)
5.26-8.96
Smoke Characteristic (SN)
9.8
Smoke Characteristicto Regulatory (% of limit)
57.95
Fuel Flow Take Off (kg/s)
2.709
Fuel Flow Climbout (kg/s)
2.202
Fuel Flow Approach (kg/s)
0.703
Fuel Flow Idle (kg/s)
0.226
Fuel LTO (kg)
926
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
6367
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 e)