| Family |
CFM56-7B |
|
| EASA ID |
01P22FC001 |
1IA001 |
| Aircraft Engine Manufacturer |
CFM International |
International Aero Engines |
| 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 |
|
| FETT |
|
1985-12-12 |
| First Flight |
|
1988-05-07 |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
|
| Fuel |
Jet A |
Jet A |
| Fan Blades |
24 |
|
| Geared Fan |
No |
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 |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.1 |
5.3 |
| Overall Pressure Ratio |
27.7 |
29.8 |
| Maximum Takeoff Thrust (kN) |
117 |
111.2 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.1 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0.11 |
| Hydrocarbon Approach (g/kg fuel) |
0.01 |
0.15 |
| Hydrocarbon Idle (g/kg fuel) |
1.59 |
0.22 |
| Hydrocarbon Unitary Average (g/kN) |
2.3 |
0.65 |
| Hydrocarbon Unitary Characteristic (g/kN) |
3.54 |
1 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
18 |
5.1 |
| Hydrocarbon LTO (g) |
269 |
73 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.53 |
0.55 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.54 |
0.55 |
| Carbon Monoxide Approach (g/kg fuel) |
2.79 |
0.77 |
| Carbon Monoxide Idle (g/kg fuel) |
27.46 |
7.76 |
| Carbon Monoxide Unitary Average (g/kN) |
42.27 |
14.8 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
51.88 |
18.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
44 |
15.4 |
| NOx Take Off (g/kg fuel) |
22.9 |
37.13 |
| NOx Climb Out (g/kg fuel) |
17.68 |
30.82 |
| NOx Approach (g/kg fuel) |
9.37 |
13.45 |
| NOx Idle (g/kg fuel) |
4.22 |
5.91 |
| NOx Unitary Average (g/kN) |
42.08 |
69.3 |
| NOx Unitary Characteristic (g/kN) |
48.77 |
80.3 |
| NOx Unitaryto Standard (% of limit) |
51.1 |
80.7 |
| NOx Unitaryto CAEP2 (% of limit) |
63.9 |
100.8 |
| NOx Unitaryto CAEP4 (% of limit) |
77 |
120.5 |
| NOx Unitaryto CAEP6 (% of limit) |
87.5 |
136.9 |
| NOx Unitaryto CAEP8 (% of limit) |
104 |
161.1 |
| NOx LTO (g) |
4923 |
7716 |
| Smoke Max (SN) |
|
3.5 |
| Smoke Characteristic (SN) |
|
4.5 |
| Smoke Characteristicto Regulatory (% of limit) |
|
19.6 |
| Fuel Flow Take Off (kg/s) |
1.213 |
1.113 |
| Fuel Flow Climbout (kg/s) |
0.986 |
0.924 |
| Fuel Flow Approach (kg/s) |
0.331 |
0.334 |
| Fuel Flow Idle (kg/s) |
0.108 |
0.124 |
| Fuel LTO (kg) |
429 |
442 |
| Fuel Venting Compliant |
Yes |
No |
| Carbon Monoxide LTO (g) |
4945 |
1656 |
| Compressor Description |
1 fan, 3-stage LP, 9-stage HP |
|
| Emissions Data Status |
PR |
C |
| Engine Status |
Out of production |
Out of production |
| nvPME Imass Approach (mg/kg) |
1.1 |
|
| nvPME Imass Climb Out (mg/kg) |
46.7 |
|
| nvPME Imass Idle (mg/kg) |
1.8 |
|
| nvPME Imass Max (mg/kg) |
69.1 |
|
| nvPME Imass Take Off (mg/kg) |
69.1 |
|
| nvPME Inum Approach (#/kg) |
71400000000000 |
|
| nvPME Inum Climb Out (#/kg) |
429000000000000 |
|
| nvPME Inum Idle (#/kg) |
26700000000000 |
|
| nvPME Inum Max (#/kg) |
452000000000000 |
|
| nvPME Inum Take Off (#/kg) |
452000000000000 |
|
| nvPMLTO Mass (mg) |
9989 |
|
| nvPMLTO Mass Per Thrust (mg/kN) |
118.7 |
|
| nvPMLTO Mass To CAEP11 (% of limit) |
26.8 |
|
| nvPMLTO Number (#) |
89000000000000000 |
|
| nvPMLTO Number Per Thrust (#/kN) |
1060000000000000 |
|
| nvPMLTO Number To CAEP11 (% of limit) |
19.5 |
|
| nvPM Mass Concentration Characteristic (mg/m³) |
2253 |
|
| nvPM Mass Concentration Max (mg/m³) |
1750 |
|
| nvPM Mass Concentration To CAEP10 (% of limit) |
36.8 |
|
| Turbine Description |
1-stage HP, 4-stage LP |
|