| Family |
CFM56-7B |
|
| EASA ID |
3CM034 |
1IA004 |
| Aircraft Engine Manufacturer |
GE Aircraft Engines |
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 |
|
| 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 |
|
| High Pressure Compressor Stages |
1 |
|
| Low-Pressure Turbine Stages |
4 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5 |
4.66 |
| Overall Pressure Ratio |
28.63 |
30 |
| Maximum Takeoff Thrust (kN) |
121.44 |
124.5 |
| Hydrocarbon Take Off (g/kg fuel) |
0.1 |
0.043 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.1 |
0.041 |
| Hydrocarbon Approach (g/kg fuel) |
0.1 |
0.058 |
| Hydrocarbon Idle (g/kg fuel) |
1.7 |
0.102 |
| Hydrocarbon Unitary Average (g/kN) |
2.76 |
0.27 |
| Hydrocarbon Unitary Characteristic (g/kN) |
4.3 |
0.4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
21.9 |
2.1 |
| Hydrocarbon LTO (g) |
335 |
34 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.2 |
0.47 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.5 |
0.56 |
| Carbon Monoxide Approach (g/kg fuel) |
1.4 |
2.03 |
| Carbon Monoxide Idle (g/kg fuel) |
17.9 |
11.53 |
| Carbon Monoxide Unitary Average (g/kN) |
28.3 |
21.5 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
34.7 |
26.4 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
29.4 |
22.4 |
| NOx Take Off (g/kg fuel) |
30.9 |
30.5 |
| NOx Climb Out (g/kg fuel) |
23.7 |
25.1 |
| NOx Approach (g/kg fuel) |
11 |
9.6 |
| NOx Idle (g/kg fuel) |
4.8 |
4.9 |
| NOx Unitary Average (g/kN) |
55.27 |
53.7 |
| NOx Unitary Characteristic (g/kN) |
64.1 |
62.2 |
| NOx Unitaryto Standard (% of limit) |
65.9 |
62.2 |
| NOx Unitaryto CAEP2 (% of limit) |
82.4 |
77.8 |
| NOx Unitaryto CAEP4 (% of limit) |
98.9 |
92.9 |
| NOx Unitaryto CAEP6 (% of limit) |
112.4 |
105.6 |
| NOx Unitaryto CAEP8 (% of limit) |
133 |
124.1 |
| NOx LTO (g) |
6719 |
6686 |
| Smoke Take Off (SN) |
15.7 |
5 |
| Smoke Climb Out (SN) |
12.1 |
6.6 |
| Smoke Approach (SN) |
0 |
4.5 |
| Smoke Idle (SN) |
0 |
2.4 |
| Smoke Max (SN) |
15.7 |
9 |
| Smoke Characteristic (SN) |
20.2 |
11.6 |
| Smoke Characteristicto Regulatory (% of limit) |
90 |
52 |
| Fuel Flow Take Off (kg/s) |
1.284 |
1.209 |
| Fuel Flow Climbout (kg/s) |
1.043 |
0.996 |
| Fuel Flow Approach (kg/s) |
0.349 |
0.353 |
| Fuel Flow Idle (kg/s) |
0.116 |
0.134 |
| Fuel LTO (kg) |
456 |
476 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
3436 |
2680 |
| 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 |
|