CF34-10A18

Turbofan · GE Aircraft Engines

Reaction Turbines

Maximum Takeoff Thrust

82.1 kN

Bypass Ratio

5.4

Overall Pressure Ratio

26.5

Fuel Flow Take Off

0.826 kg/s

NOx Unitaryto CAEP8

90.2 % 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 2253M21
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 5.4	Overall Pressure Ratio 26.5	Afterburner No

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All data (64 fields)

Name: CF34-10A18
EASA ID: 11GE141
Aircraft Engine Manufacturer: GE Aircraft Engines
Aircraft Engine Type: Turbofan
Fuel: Jet A-1
Geared Fan: No
Combustion Chamber: 2253M21
Afterburner: No
Streams: 2
Bypass Ratio: 5.4
Overall Pressure Ratio: 26.5
Maximum Takeoff Thrust (kN): 82.1
Hydrocarbon Take Off (g/kg fuel): 0.05
Hydrocarbon Climb Out (g/kg fuel): 0.08
Hydrocarbon Approach (g/kg fuel): 0.13
Hydrocarbon Idle (g/kg fuel): 5.67
Hydrocarbon Unitary Average (g/kN): 9.5
Hydrocarbon Unitary Sigma (g/kN): 0.55
Hydrocarbon Unitary Range (g/kN): 8.8-9.8
Hydrocarbon Unitary Characteristic (g/kN): 14.6
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 74.5
Hydrocarbon LTO (g): 776
Carbon Monoxide Take Off (g/kg fuel): 0.66
Carbon Monoxide Climb Out (g/kg fuel): 0.36
Carbon Monoxide Approach (g/kg fuel): 3.43
Carbon Monoxide Idle (g/kg fuel): 47.29
Carbon Monoxide Unitary Average (g/kN): 80.2
Carbon Monoxide Unitary SD (g/kN): 1.8
Carbon Monoxide Unitary Range (g/kN): 78.8-82.3
Carbon Monoxide Unitary Characteristic (g/kN): 98.5
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 83.5
NOx Take Off (g/kg fuel): 19.47
NOx Climb Out (g/kg fuel): 16.72
NOx Approach (g/kg fuel): 8.26
NOx Idle (g/kg fuel): 3.58
NOx Unitary Average (g/kN): 37.4
NOx Unitary SD (g/kN): 0.43
NOx Unitary Range (g/kN): 36.9-37.7
NOx Unitary Characteristic (g/kN): 43.3
NOx Unitaryto Standard (% of limit): 46.6
NOx Unitaryto CAEP2 (% of limit): 58.2
NOx Unitaryto CAEP4 (% of limit): 68.9
NOx Unitaryto CAEP6 (% of limit): 78
NOx Unitaryto CAEP8 (% of limit): 90.2
NOx LTO (g): 3070
Smoke Take Off (SN): 14.73
Smoke Climb Out (SN): 7.01
Smoke Approach (SN): 0.12
Smoke Idle (SN): 0.35
Smoke Max (SN): 14.7
Smoke Sigma (SN): 0.29
Smoke Range (SN): 14.5-15.1
Smoke Characteristic (SN): 19
Smoke Characteristicto Regulatory (% of limit): 76.1
Fuel Flow Take Off (kg/s): 0.826
Fuel Flow Climbout (kg/s): 0.684
Fuel Flow Approach (kg/s): 0.232
Fuel Flow Idle (kg/s): 0.086
Fuel LTO (kg): 315
Fuel Venting Compliant: Yes
Carbon Monoxide LTO (g): 6589
Emissions Data Status: C
Engine Status: Out of production
NOx Compliance Demonstration: 2.3.2 e)