| Family |
|
CFM56-7B |
| EASA ID |
7PW083 |
3CM031 |
| Aircraft Engine Manufacturer |
Pratt & Whitney |
CFM International |
| 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 |
| Combustion Chamber |
Talon II |
|
| High Pressure Compressor Stages |
|
1 |
| Low-Pressure Turbine Stages |
|
4 |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
4.8 |
5.3 |
| Overall Pressure Ratio |
25.7 |
24.41 |
| Maximum Takeoff Thrust (kN) |
98.31 |
100.97 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.1 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.001 |
0.1 |
| Hydrocarbon Approach (g/kg fuel) |
0.001 |
0.1 |
| Hydrocarbon Idle (g/kg fuel) |
0.006 |
2.5 |
| Hydrocarbon Unitary Average (g/kN) |
0 |
4.22 |
| Hydrocarbon Unitary Characteristic (g/kN) |
0 |
6.4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
0.1 |
32.7 |
| Hydrocarbon LTO (g) |
1 |
432 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.74 |
0.5 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.72 |
0.6 |
| Carbon Monoxide Approach (g/kg fuel) |
3.99 |
2.5 |
| Carbon Monoxide Idle (g/kg fuel) |
24.68 |
22.8 |
| Carbon Monoxide Unitary Average (g/kN) |
46.8 |
39.58 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
57.4 |
48.6 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
48.6 |
41.2 |
| NOx Take Off (g/kg fuel) |
17.04 |
23.1 |
| NOx Climb Out (g/kg fuel) |
13.4 |
19 |
| NOx Approach (g/kg fuel) |
5.95 |
10 |
| NOx Idle (g/kg fuel) |
3.08 |
4.5 |
| NOx Unitary Average (g/kN) |
32.8 |
45.16 |
| NOx Unitary Characteristic (g/kN) |
38.1 |
52.4 |
| NOx Unitaryto Standard (% of limit) |
41.7 |
59 |
| NOx Unitaryto CAEP2 (% of limit) |
52.1 |
73.7 |
| NOx Unitaryto CAEP4 (% of limit) |
63.4 |
90.3 |
| NOx Unitaryto CAEP6 (% of limit) |
72 |
102.6 |
| NOx Unitaryto CAEP8 (% of limit) |
86.5 |
124 |
| NOx LTO (g) |
3228 |
4560 |
| Smoke Take Off (SN) |
4.55 |
12 |
| Smoke Climb Out (SN) |
4.35 |
10.5 |
| Smoke Approach (SN) |
1.32 |
0 |
| Smoke Idle (SN) |
1.55 |
0 |
| Smoke Max (SN) |
4.55 |
12 |
| Smoke Characteristic (SN) |
5.8 |
15.4 |
| Smoke Characteristicto Regulatory (% of limit) |
24.4 |
65.2 |
| Fuel Flow Take Off (kg/s) |
1.047 |
1.021 |
| Fuel Flow Climbout (kg/s) |
0.86 |
0.844 |
| Fuel Flow Approach (kg/s) |
0.304 |
0.298 |
| Fuel Flow Idle (kg/s) |
0.109 |
0.105 |
| Fuel LTO (kg) |
401 |
390 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
4602 |
4002 |
| Compressor Description |
|
1 fan, 3-stage LP, 9-stage HP |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |
| NOx Compliance Demonstration |
2.3.2 e) |
|
| Turbine Description |
|
1-stage HP, 4-stage LP |