| Family |
CFM56-7B |
|
| EASA ID |
4CM043 |
1IA002 |
| 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 |
4.82 |
| Overall Pressure Ratio |
28.84 |
27.2 |
| Maximum Takeoff Thrust (kN) |
121.44 |
111.2 |
| Hydrocarbon Take Off (g/kg fuel) |
0.05 |
0.041 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.06 |
0.041 |
| Hydrocarbon Approach (g/kg fuel) |
4.21 |
0.061 |
| Hydrocarbon Idle (g/kg fuel) |
5.56 |
0.105 |
| Hydrocarbon Unitary Average (g/kN) |
11.21 |
0.29 |
| Hydrocarbon Unitary Range (g/kN) |
10.1-12.3 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
13.1 |
0.4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
66.7 |
2.3 |
| Hydrocarbon LTO (g) |
1363 |
32 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.54 |
0.53 |
| Carbon Monoxide Climb Out (g/kg fuel) |
1.97 |
0.62 |
| Carbon Monoxide Approach (g/kg fuel) |
24.28 |
2.44 |
| Carbon Monoxide Idle (g/kg fuel) |
38.73 |
12.43 |
| Carbon Monoxide Unitary Average (g/kN) |
76.46 |
24.9 |
| Carbon Monoxide Unitary Range (g/kN) |
72.7-80.4 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
82.7 |
30.6 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
70.1 |
25.9 |
| NOx Take Off (g/kg fuel) |
20.81 |
26.5 |
| NOx Climb Out (g/kg fuel) |
15.59 |
22.3 |
| NOx Approach (g/kg fuel) |
7.53 |
8.9 |
| NOx Idle (g/kg fuel) |
4.36 |
4.7 |
| NOx Unitary Average (g/kN) |
38.23 |
48.5 |
| NOx Unitary Range (g/kN) |
37.9-38.8 |
|
| NOx Unitary Characteristic (g/kN) |
40.5 |
56.2 |
| NOx Unitaryto Standard (% of limit) |
41.5 |
59.6 |
| NOx Unitaryto CAEP2 (% of limit) |
51.8 |
74.4 |
| NOx Unitaryto CAEP4 (% of limit) |
62.2 |
89.9 |
| NOx Unitaryto CAEP6 (% of limit) |
70.6 |
102.2 |
| NOx Unitaryto CAEP8 (% of limit) |
83.5 |
121.7 |
| NOx LTO (g) |
4648 |
5382 |
| Smoke Take Off (SN) |
0.8 |
5.2 |
| Smoke Climb Out (SN) |
0.7 |
7.2 |
| Smoke Approach (SN) |
0.7 |
4.2 |
| Smoke Idle (SN) |
0.7 |
2.6 |
| Smoke Max (SN) |
0.75 |
9 |
| Smoke Range (SN) |
0.3-1.6 |
|
| Smoke Characteristic (SN) |
0.8 |
11.6 |
| Smoke Characteristicto Regulatory (% of limit) |
3.7 |
50.4 |
| Fuel Flow Take Off (kg/s) |
1.265 |
1.053 |
| Fuel Flow Climbout (kg/s) |
1.033 |
0.88 |
| Fuel Flow Approach (kg/s) |
0.351 |
0.319 |
| Fuel Flow Idle (kg/s) |
0.115 |
0.128 |
| Fuel LTO (kg) |
453 |
437 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
9291 |
2764 |
| 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 |
|