CF34-3A1

Turbofan · GE Aircraft Engines
Reaction Turbines
Maximum Takeoff Thrust
41.01 kN
Bypass Ratio
6.25
Overall Pressure Ratio
19.7
Fuel Flow Take Off
0.407 kg/s
NOx Unitaryto CAEP8
58.9 % 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 LEC 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 6.25 Overall Pressure Ratio 19.7 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
CF34-3A GE Aircraft Engines 41.01 6.25 19.7 Compare
CF34-3B GE Aircraft Engines 41.01 6.25 19.3 Compare
CF34-3B/-3B1 General Electric Company 41.01 6.25 19.3 Compare
CF34-3A/A1/A2/B1/B2 General Electric Company 41.01 6.25 19.3 Compare
Tumansky R-25 Tumansky 40.3 Compare
Snecma Atar ATAR 42 Compare
All data (64 fields)
Name
CF34-3A1
EASA ID
1GE035
Aircraft Engine Manufacturer
GE Aircraft Engines
Aircraft Engine Type
Turbofan
Fuel
JP-5
Geared Fan
No
Combustion Chamber
LEC II
Afterburner
No
Streams
2
Bypass Ratio
6.25
Overall Pressure Ratio
19.7
Maximum Takeoff Thrust (kN)
41.01
Hydrocarbon Take Off (g/kg fuel)
0.06
Hydrocarbon Climb Out (g/kg fuel)
0.06
Hydrocarbon Approach (g/kg fuel)
0.13
Hydrocarbon Idle (g/kg fuel)
3.95
Hydrocarbon Unitary Average (g/kN)
7.63
Hydrocarbon Unitary Sigma (g/kN)
0.2
Hydrocarbon Unitary Range (g/kN)
7.41-7.78
Hydrocarbon Unitary Characteristic (g/kN)
11.8
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
60
Hydrocarbon LTO (g)
313
Carbon Monoxide Take Off (g/kg fuel)
0
Carbon Monoxide Climb Out (g/kg fuel)
0
Carbon Monoxide Approach (g/kg fuel)
1.9
Carbon Monoxide Idle (g/kg fuel)
42.6
Carbon Monoxide Unitary Average (g/kN)
81.8
Carbon Monoxide Unitary SD (g/kN)
3.25
Carbon Monoxide Unitary Range (g/kN)
79.2-85.5
Carbon Monoxide Unitary Characteristic (g/kN)
100.4
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
85.1
NOx Take Off (g/kg fuel)
11.61
NOx Climb Out (g/kg fuel)
10.14
NOx Approach (g/kg fuel)
6.86
NOx Idle (g/kg fuel)
3.82
NOx Unitary Average (g/kN)
27.8
NOx Unitary SD (g/kN)
1.61
NOx Unitary Range (g/kN)
26-29
NOx Unitary Characteristic (g/kN)
32.2
NOx Unitaryto Standard (% of limit)
40.6
NOx Unitaryto CAEP2 (% of limit)
50.7
NOx Unitaryto CAEP4 (% of limit)
53.2
NOx Unitaryto CAEP6 (% of limit)
54.5
NOx Unitaryto CAEP8 (% of limit)
58.9
NOx LTO (g)
1137
Smoke Take Off (SN)
21.9
Smoke Climb Out (SN)
9.2
Smoke Approach (SN)
3.1
Smoke Idle (SN)
3.1
Smoke Max (SN)
21.9
Smoke Sigma (SN)
0.25
Smoke Range (SN)
21.7-22.2
Smoke Characteristic (SN)
28.2
Smoke Characteristicto Regulatory (% of limit)
93.3
Fuel Flow Take Off (kg/s)
0.407
Fuel Flow Climbout (kg/s)
0.3343
Fuel Flow Approach (kg/s)
0.119
Fuel Flow Idle (kg/s)
0.0496
Fuel LTO (kg)
167
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
3350
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 e)