| Family |
CFM56-7B |
CFM56-2 |
| EASA ID |
01P11CM111 |
1CM002 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Boeing 737 Next Generation |
DC-8-70, KC-135R, E-3, E-6 |
| Dry Weight (kg) |
2366 |
2186 |
| Diameter (mm) |
1549 |
1735 |
| Max Rotating Diameter (mm) |
1549 |
1735 |
| Length (mm) |
2507 |
|
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
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 |
5.5 |
6 |
| Overall Pressure Ratio |
22.4 |
23.5 |
| Maximum Takeoff Thrust (kN) |
91.6 |
97.86 |
| Hydrocarbon Take Off (g/kg fuel) |
0.03 |
0.04 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.03 |
0.05 |
| Hydrocarbon Approach (g/kg fuel) |
0.08 |
0.08 |
| Hydrocarbon Idle (g/kg fuel) |
3.84 |
1.83 |
| Hydrocarbon Unitary Average (g/kN) |
6.26 |
3.87 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.63 |
0.41 |
| Hydrocarbon Unitary Range (g/kN) |
5.55-6.69 |
3.4-4.15 |
| Hydrocarbon Unitary Characteristic (g/kN) |
7.31 |
6 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
37.3 |
30.4 |
| Hydrocarbon LTO (g) |
572 |
378 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.15 |
0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.23 |
0.9 |
| Carbon Monoxide Approach (g/kg fuel) |
5.03 |
4.2 |
| Carbon Monoxide Idle (g/kg fuel) |
43.31 |
30.7 |
| Carbon Monoxide Unitary Average (g/kN) |
73.44 |
67.2 |
| Carbon Monoxide Unitary SD (g/kN) |
3.2 |
4.1 |
| Carbon Monoxide Unitary Range (g/kN) |
69.8-75.3 |
63.5-71.7 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
79.4 |
82.5 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
67.3 |
69.9 |
| NOx Take Off (g/kg fuel) |
15.61 |
18.5 |
| NOx Climb Out (g/kg fuel) |
13.5 |
16 |
| NOx Approach (g/kg fuel) |
8 |
8.2 |
| NOx Idle (g/kg fuel) |
3.8 |
4 |
| NOx Unitary Average (g/kN) |
32.59 |
39.9 |
| NOx Unitary SD (g/kN) |
1.1 |
0.6 |
| NOx Unitary Range (g/kN) |
31.5-33.7 |
39.4-40.5 |
| NOx Unitary Characteristic (g/kN) |
34.5 |
46.3 |
| NOx Unitaryto Standard (% of limit) |
40.7 |
53.2 |
| NOx Unitaryto CAEP2 (% of limit) |
50.9 |
66.5 |
| NOx Unitaryto CAEP4 (% of limit) |
62.9 |
81.7 |
| NOx Unitaryto CAEP6 (% of limit) |
71.5 |
92.9 |
| NOx Unitaryto CAEP8 (% of limit) |
87.5 |
113 |
| NOx LTO (g) |
2987 |
3906 |
| Smoke Take Off (SN) |
8.7 |
6 |
| Smoke Climb Out (SN) |
6.8 |
3 |
| Smoke Approach (SN) |
2.1 |
2.6 |
| Smoke Idle (SN) |
2.1 |
2.2 |
| Smoke Max (SN) |
8.66 |
6 |
| Smoke Sigma (SN) |
2.2 |
0.8 |
| Smoke Range (SN) |
7.1-11.1 |
5.4-6.9 |
| Smoke Characteristic (SN) |
9.52 |
7.7 |
| Smoke Characteristicto Regulatory (% of limit) |
39.3 |
32.4 |
| Fuel Flow Take Off (kg/s) |
0.896 |
0.985 |
| Fuel Flow Climbout (kg/s) |
0.746 |
0.819 |
| Fuel Flow Approach (kg/s) |
0.268 |
0.311 |
| Fuel Flow Idle (kg/s) |
0.094 |
0.128 |
| Fuel LTO (kg) |
348 |
424 |
| Fuel Venting Compliant |
Yes |
No |
| Carbon Monoxide LTO (g) |
6729 |
6578 |
| 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) |
|
| nvPME Imass Approach (mg/kg) |
0.95 |
|
| nvPME Imass Climb Out (mg/kg) |
22.7 |
|
| nvPME Imass Idle (mg/kg) |
0.91 |
|
| nvPME Imass Max (mg/kg) |
33.5 |
|
| nvPME Imass Take Off (mg/kg) |
33.5 |
|
| nvPME Inum Approach (#/kg) |
39300000000000 |
|
| nvPME Inum Climb Out (#/kg) |
360000000000000 |
|
| nvPME Inum Idle (#/kg) |
56300000000000 |
|
| nvPME Inum Max (#/kg) |
420000000000000 |
|
| nvPME Inum Take Off (#/kg) |
422000000000000 |
|
| nvPMLTO Mass (mg) |
3691 |
|
| nvPMLTO Mass Per Thrust (mg/kN) |
56 |
|
| nvPMLTO Mass To CAEP11 (% of limit) |
9.1 |
|
| nvPMLTO Number (#) |
62100000000000000 |
|
| nvPMLTO Number Per Thrust (#/kN) |
942000000000000 |
|
| nvPMLTO Number To CAEP11 (% of limit) |
12.6 |
|
| nvPM Mass Concentration Characteristic (mg/m³) |
910 |
|
| nvPM Mass Concentration Max (mg/m³) |
707 |
|
| nvPM Mass Concentration To CAEP10 (% of limit) |
13.1 |
|
| Turbine Description |
1-stage HP, 4-stage LP |
|