| Family |
CFM56-7B |
|
| EASA ID |
8CM051 |
8IA009 |
| 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 |
|
| 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 |
5.1 |
4.82 |
| Overall Pressure Ratio |
27.61 |
27.2 |
| Maximum Takeoff Thrust (kN) |
116.99 |
111.2 |
| Hydrocarbon Take Off (g/kg fuel) |
0.1 |
0.04 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.1 |
0.04 |
| Hydrocarbon Approach (g/kg fuel) |
0.1 |
0.06 |
| Hydrocarbon Idle (g/kg fuel) |
1.9 |
0.11 |
| Hydrocarbon Unitary Average (g/kN) |
3.06 |
0.29 |
| Hydrocarbon Unitary Characteristic (g/kN) |
4.7 |
0.4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
24 |
2.3 |
| Hydrocarbon LTO (g) |
361 |
32 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.2 |
0.53 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.6 |
0.62 |
| Carbon Monoxide Approach (g/kg fuel) |
1.6 |
2.44 |
| Carbon Monoxide Idle (g/kg fuel) |
18.8 |
12.43 |
| Carbon Monoxide Unitary Average (g/kN) |
30.33 |
24.9 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
37.2 |
30.6 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
31.5 |
25.9 |
| NOx Take Off (g/kg fuel) |
28.8 |
26.5 |
| NOx Climb Out (g/kg fuel) |
22.5 |
22.3 |
| NOx Approach (g/kg fuel) |
10.8 |
8.9 |
| NOx Idle (g/kg fuel) |
4.7 |
4.7 |
| NOx Unitary Average (g/kN) |
52.64 |
48.5 |
| NOx Unitary Characteristic (g/kN) |
61 |
56.2 |
| NOx Unitaryto Standard (% of limit) |
64 |
59.6 |
| NOx Unitaryto CAEP2 (% of limit) |
80.1 |
74.4 |
| NOx Unitaryto CAEP4 (% of limit) |
96.6 |
89.9 |
| NOx Unitaryto CAEP6 (% of limit) |
109.7 |
102.1 |
| NOx Unitaryto CAEP8 (% of limit) |
130.5 |
121.7 |
| NOx LTO (g) |
6149 |
5382 |
| Smoke Take Off (SN) |
14.7 |
5.2 |
| Smoke Climb Out (SN) |
11.9 |
7.2 |
| Smoke Approach (SN) |
0 |
4.2 |
| Smoke Idle (SN) |
0 |
2.6 |
| Smoke Max (SN) |
14.7 |
9 |
| Smoke Characteristic (SN) |
18.9 |
11.6 |
| Smoke Characteristicto Regulatory (% of limit) |
83.4 |
50.4 |
| Fuel Flow Take Off (kg/s) |
1.221 |
1.053 |
| Fuel Flow Climbout (kg/s) |
0.999 |
0.88 |
| Fuel Flow Approach (kg/s) |
0.338 |
0.319 |
| Fuel Flow Idle (kg/s) |
0.113 |
0.128 |
| Fuel LTO (kg) |
441 |
437 |
| Fuel Venting Compliant |
|
Yes |
| Carbon Monoxide LTO (g) |
3533 |
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 |
|