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CFM56-7B20/2 ✕ BR700-715B1-30 ✕
Family CFM56-7B
EASA ID 4CM039 4BR003
Aircraft Engine Manufacturer CFM International Rolls-Royce Deutschland
Aircraft Engine Type Turbofan Turbofan
Comment Boeing 737 Next Generation
Dry Weight (kg) 2366
Diameter (mm) 1549
Max Rotating Diameter (mm) 1549
Length (mm) 2507
Wikipedia Article (URL) en.wikipedia.org/wiki/CFM_International_CFM56
Fuel Jet A AVTUR
Fan Blades 24
Geared Fan No No
Low-Pressure Compressor Stages 3
High-Pressure Compressor Stages 9
High Pressure Compressor Stages 1
Low-Pressure Turbine Stages 4
Afterburner No No
Streams 2 2
Bypass Ratio 5.4 4.6
Overall Pressure Ratio 22.77 30.47
Maximum Takeoff Thrust (kN) 91.63 89.68
Hydrocarbon Take Off (g/kg fuel) 0.07 0
Hydrocarbon Climb Out (g/kg fuel) 0.23 0.01
Hydrocarbon Approach (g/kg fuel) 0.36 0
Hydrocarbon Idle (g/kg fuel) 8.11 0.17
Hydrocarbon Unitary Average (g/kN) 14.61 0.3
Hydrocarbon Unitary Range (g/kN) 13.8-15.9 0.24-0.37
Hydrocarbon Unitary Characteristic (g/kN) 17 0.5
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 86.9 2.3
Hydrocarbon LTO (g) 1340 27
Carbon Monoxide Take Off (g/kg fuel) 4.26 0.78
Carbon Monoxide Climb Out (g/kg fuel) 11.38 0.76
Carbon Monoxide Approach (g/kg fuel) 11.37 3.38
Carbon Monoxide Idle (g/kg fuel) 49.71 15.56
Carbon Monoxide Unitary Average (g/kN) 108.63 30.08
Carbon Monoxide Unitary Range (g/kN) 102.1-114.9 29.44-31.21
Carbon Monoxide Unitary Characteristic (g/kN) 117.5 36.9
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 99.6 31.3
NOx Take Off (g/kg fuel) 13.25 27.21
NOx Climb Out (g/kg fuel) 10.81 20.34
NOx Approach (g/kg fuel) 9.39 11.38
NOx Idle (g/kg fuel) 3.75 5.54
NOx Unitary Average (g/kN) 30.58 51.1
NOx Unitary Range (g/kN) 30.4-30.8 50.79-51.54
NOx Unitary Characteristic (g/kN) 32.4 59.2
NOx Unitaryto Standard (% of limit) 37.9 58.7
NOx Unitaryto CAEP2 (% of limit) 47.3 73.3
NOx Unitaryto CAEP4 (% of limit) 58.4 87.2
NOx Unitaryto CAEP6 (% of limit) 66.4 98.9
NOx Unitaryto CAEP8 (% of limit) 81.1 115.9
NOx LTO (g) 2802 4583
Smoke Take Off (SN) 0.7 3.55
Smoke Climb Out (SN) 0.7 2.9
Smoke Approach (SN) 1.5 1.03
Smoke Idle (SN) 0.7 0.89
Smoke Max (SN) 1.52 3.55
Smoke Range (SN) 0-3.4 3.24-3.8
Smoke Characteristic (SN) 1.7 4.6
Smoke Characteristicto Regulatory (% of limit) 6.9 18.9
Fuel Flow Take Off (kg/s) 0.903 0.905
Fuel Flow Climbout (kg/s) 0.754 0.743
Fuel Flow Approach (kg/s) 0.278 0.259
Fuel Flow Idle (kg/s) 0.102 0.098
Fuel LTO (kg) 363 351
Fuel Venting Compliant No No
Carbon Monoxide LTO (g) 9963 2693
Compressor Description 1 fan, 3-stage LP, 9-stage HP
Emissions Data Status C C
Engine Status Out of production Out of production
Turbine Description 1-stage HP, 4-stage LP