CFM56-7B18/3
Maximum Takeoff Thrust
86.7 kN
Bypass Ratio
5.5
Overall Pressure Ratio
21.4
Diameter
1549 mm
Length
2507 mm
Dry Weight
2366 kg
Fuel Flow Take Off
0.842 kg/s
NOx Unitaryto CAEP8
85.5 % of limit
Architecture
| Fan | Fan Stages — | Fan Blades 24 | Fan Technology — | Fan Pressure Ratio — |
|---|---|---|---|---|
| Gearbox | Geared Fan No | Gear — | Reduction Ratio — | |
| LP compressor | Low-Pressure Compressor Stages 3 | 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 9 | High-Pressure Compressor Technology — | HP Compressor Pressure Ratio — | |
| Combustor | Combustion Chamber Tech Insertion | |||
| HP turbine | High Pressure Compressor Stages 1 | High-Pressure Turbine Technology — | ||
| IP turbine | Intermediary-Pressure Turbine Stages — | Intermediary-Pressure Turbine Technology — | ||
| LP turbine | Low-Pressure Turbine Stages 4 | Low-Pressure Turbine Technology — | ||
| Whole engine | Streams 2 | Bypass Ratio 5.5 | Overall Pressure Ratio 21.4 | Afterburner No |
Pictures
CFM56-7B
| Name | Maximum Takeoff Thrust (kN) | Bypass Ratio | Overall Pressure Ratio | Fuel Flow Take Off (kg/s) | NOx LTO (g) | NOx Unitaryto CAEP8 (% of limit) | Smoke Max (SN) | EASA ID |
|---|---|---|---|---|---|---|---|---|
| CFM56-7B18/3 | 86.7 | 5.5 | 21.4 | 0.842 | 2729 | 85.5 | 8.04 | 8CM061 |
| CFM56-7B18 | 86.74 | 5.5 | 21.59 | 0.854 | 3472 | 118.4 | 10.7 | 3CM029 |
| CFM56-7B20/3 | 91.6 | 5.5 | 22.4 | 0.896 | 2987 | 87.5 | 8.66 | 8CM062 |
| CFM56-7B20E | 91.6 | 5.5 | 22.4 | 0.896 | 2987 | 87.5 | 8.66 | 01P11CM111 |
| CFM56-7B20 | 91.63 | 5.4 | 22.61 | 0.913 | 3829 | 122.1 | 11.4 | 3CM030 |
| CFM56-7B20/2 | 91.63 | 5.4 | 22.77 | 0.903 | 2802 | 81.1 | 1.52 | 4CM039 |
| CFM56-7B22 | 100.97 | 5.3 | 24.41 | 1.021 | 4560 | 124 | 12 | 3CM031 |
| CFM56-7B22/2 | 100.97 | 5.3 | 24.61 | 1.008 | 3091 | 76.2 | 0.69 | 4CM040 |
| CFM56-7B22/3 | 101 | 5.3 | 24.2 | 1.004 | 3540 | 88.4 | 9.84 | 8CM063 |
| CFM56-7B22E | 101 | 5.3 | 24.2 | 1.004 | 3538 | 88.4 | 9.84 | 01P11CM112 |
| CFM56-7B22E/B1 | 101 | 5.3 | 24.2 | 1.004 | 3538 | 88.4 | 9.84 | 01P11CM113 |
| CFM56-7B24/3 | 107.6 | 5.3 | 25.6 | 1.086 | 3995 | 89.5 | 12.07 | 8CM064 |
| CFM56-7B24E | 107.6 | 5.3 | 25.6 | 1.086 | 3996 | 89.5 | 12.07 | 01P11CM114 |
| CFM56-7B24E/B1 | 107.6 | 5.3 | 25.6 | 1.086 | 3996 | 89.5 | 12.07 | 01P11CM115 |
| CFM56-7B24 | 107.65 | 5.2 | 25.78 | 1.103 | 5149 | 125.4 | 12.6 | 3CM032 |
| CFM56-7B24/2 | 107.65 | 5.2 | 25.95 | 1.089 | 3534 | 78.4 | 0.65 | 4CM041 |
| CFM56-7B26 | 116.99 | 5.1 | 27.61 | 1.221 | 6149 | 130.5 | 14.7 | 8CM051 |
| CFM56-7B26/2 | 116.99 | 5.1 | 27.8 | 1.203 | 4233 | 81.7 | 0.71 | 4CM042 |
| CFM56-7B26/3 | 117 | 5.1 | 27.7 | 1.213 | 4763 | 91.9 | 13.07 | 8CM065 |
| CFM56-7B26/3 (Research Measurement) | 117 | 5.1 | 27.7 | 1.213 | 4923 | 104 | 01P22FC001 | |
| CFM56-7B26E | 117 | 5.1 | 27.7 | 1.213 | 4762 | 91.9 | 13.07 | 01P11CM116 |
| CFM56-7B26E/B1 | 117 | 5.1 | 27.7 | 1.213 | 4762 | 91.9 | 13.07 | 01P11CM117 |
| CFM56-7B26E/B2 | 117 | 5.1 | 27.7 | 1.213 | 4762 | 91.9 | 13.07 | 01P11CM118 |
| CFM56-7B26E/B2F | 117 | 5.1 | 27.7 | 1.213 | 4762 | 91.9 | 13.07 | 01P11CM120 |
| CFM56-7B26E/F | 117 | 5.1 | 27.7 | 1.213 | 4762 | 91.9 | 13.07 | 01P11CM119 |
| CFM56-7B27/3 | 121.4 | 5.1 | 29 | 1.293 | 5232 | 93.6 | 13.38 | 8CM066 |
| CFM56-7B27AE | 121.4 | 5.1 | 29 | 1.293 | 5231 | 93.6 | 13.38 | 01P11CM124 |
| CFM56-7B27E | 121.4 | 5.1 | 29 | 1.293 | 5231 | 93.6 | 13.38 | 01P11CM121 |
| CFM56-7B27E/B1 | 121.4 | 5.1 | 29 | 1.293 | 5231 | 93.6 | 13.38 | 01P11CM122 |
| CFM56-7B27E/B1F | 121.4 | 5.1 | 29 | 1.293 | 5231 | 93.6 | 13.38 | 01P11CM126 |
| CFM56-7B27E/B3 | 121.4 | 5.1 | 29 | 1.293 | 5231 | 93.6 | 13.38 | 01P11CM123 |
| CFM56-7B27E/F | 121.4 | 5.1 | 29 | 1.293 | 5231 | 93.6 | 13.38 | 01P11CM125 |
| CFM56-7B27 | 121.44 | 5 | 28.63 | 1.284 | 6719 | 133 | 15.7 | 3CM034 |
| CFM56-7B27/2 | 121.44 | 5 | 28.84 | 1.265 | 4648 | 83.5 | 0.75 | 4CM043 |
Similar reaction turbines
| Name | Family | Aircraft Engine Manufacturer | Maximum Takeoff Thrust (kN) | Bypass Ratio | Overall Pressure Ratio | |
|---|---|---|---|---|---|---|
| CF34-10A18 | GE Aircraft Engines | 82.1 | 5.4 | 26.5 | Compare | |
| Passport20-19BB1A | General Electric Company | 84.1599 | 5.8932 | 41.3981 | Compare | |
| CFM56-3-B1 | CFM56-3 | CFM International | 89.41 | 5.1 | 22.44 | Compare |
| BR700-730B2-14 | Rolls-Royce Deutschland | 81.65 | 5.377 | 35.533 | Compare | |
| CF34-10E5A1 | GE Aircraft Engines | 83.7 | 5.09 | 27.3 | Compare | |
| CF34-10E6A1 | GE Aircraft Engines | 83.7 | 5.09 | 27.3 | Compare |
All data (78 fields)
- Name
- CFM56-7B18/3
- Family
- CFM56-7B
- EASA ID
- 8CM061
- Aircraft Engine Manufacturer
- CFM International
- Aircraft Engine Type
- 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
- Fan Blades
- 24
- Geared Fan
- No
- Low-Pressure Compressor Stages
- 3
- High-Pressure Compressor Stages
- 9
- Combustion Chamber
- Tech Insertion
- High Pressure Compressor Stages
- 1
- Low-Pressure Turbine Stages
- 4
- Afterburner
- No
- Streams
- 2
- Bypass Ratio
- 5.5
- Overall Pressure Ratio
- 21.4
- Maximum Takeoff Thrust (kN)
- 86.7
- Hydrocarbon Take Off (g/kg fuel)
- 0.03
- Hydrocarbon Climb Out (g/kg fuel)
- 0.03
- Hydrocarbon Approach (g/kg fuel)
- 0.08
- Hydrocarbon Idle (g/kg fuel)
- 4.51
- Hydrocarbon Unitary Average (g/kN)
- 7.56
- Hydrocarbon Unitary Sigma (g/kN)
- 0.72
- Hydrocarbon Unitary Range (g/kN)
- 6.74-7.99
- Hydrocarbon Unitary Characteristic (g/kN)
- 8.82
- Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
- 45
- Hydrocarbon LTO (g)
- 656
- Carbon Monoxide Take Off (g/kg fuel)
- 0.17
- Carbon Monoxide Climb Out (g/kg fuel)
- 0.28
- Carbon Monoxide Approach (g/kg fuel)
- 5.54
- Carbon Monoxide Idle (g/kg fuel)
- 46.64
- Carbon Monoxide Unitary Average (g/kN)
- 81.34
- Carbon Monoxide Unitary SD (g/kN)
- 3.3
- Carbon Monoxide Unitary Range (g/kN)
- 77.6-83.5
- Carbon Monoxide Unitary Characteristic (g/kN)
- 88
- Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
- 74.6
- NOx Take Off (g/kg fuel)
- 14.81
- NOx Climb Out (g/kg fuel)
- 13
- NOx Approach (g/kg fuel)
- 7.78
- NOx Idle (g/kg fuel)
- 3.65
- NOx Unitary Average (g/kN)
- 31.46
- NOx Unitary SD (g/kN)
- 1.1
- NOx Unitary Range (g/kN)
- 30.4-32.5
- NOx Unitary Characteristic (g/kN)
- 33.3
- NOx Unitaryto Standard (% of limit)
- 40.2
- NOx Unitaryto CAEP2 (% of limit)
- 50.3
- NOx Unitaryto CAEP4 (% of limit)
- 62
- NOx Unitaryto CAEP6 (% of limit)
- 70
- NOx Unitaryto CAEP8 (% of limit)
- 85.5
- NOx LTO (g)
- 2729
- Smoke Take Off (SN)
- 8
- Smoke Climb Out (SN)
- 6.6
- Smoke Approach (SN)
- 2.1
- Smoke Idle (SN)
- 2.1
- Smoke Max (SN)
- 8.04
- Smoke Sigma (SN)
- 1.4
- Smoke Range (SN)
- 6.8-9.6
- Smoke Characteristic (SN)
- 8.84
- Smoke Characteristicto Regulatory (% of limit)
- 35.9
- Fuel Flow Take Off (kg/s)
- 0.842
- Fuel Flow Climbout (kg/s)
- 0.702
- Fuel Flow Approach (kg/s)
- 0.256
- Fuel Flow Idle (kg/s)
- 0.092
- Fuel LTO (kg)
- 333
- Fuel Venting Compliant
- Yes
- Carbon Monoxide LTO (g)
- 7055
- Compressor Description
- 1 fan, 3-stage LP, 9-stage HP
- Emissions Data Status
- C
- Engine Status
- Out of production
- NOx Compliance Demonstration
- 2.3.2 e)
- Turbine Description
- 1-stage HP, 4-stage LP