| Family |
CFM56-5B |
CFM56-3 |
| EASA ID |
3CM022 |
1CM007 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Airbus A318, A319, A320, A321 |
Boeing 737 Classic |
| Dry Weight (kg) |
2381 |
1951 |
| Diameter (mm) |
1735 |
1524 |
| Max Rotating Diameter (mm) |
1735 |
1524 |
| Length (mm) |
2601 |
|
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_CFM56 |
en.wikipedia.org/wiki/CFM_International_CFM56 |
| Fuel |
Jet A |
Jet A |
| Fan Blades |
36 |
|
| Geared Fan |
No |
No |
| Low-Pressure Compressor Stages |
4 |
|
| High-Pressure Compressor Stages |
9 |
|
| Combustion Chamber |
DAC-II |
|
| High Pressure Compressor Stages |
1 |
|
| Low-Pressure Turbine Stages |
4 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
6 |
5.1 |
| Overall Pressure Ratio |
24.6 |
25.5 |
| Maximum Takeoff Thrust (kN) |
104.5 |
104.6 |
| Hydrocarbon Take Off (g/kg fuel) |
0.2 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.2 |
0.04 |
| Hydrocarbon Approach (g/kg fuel) |
0.4 |
0.07 |
| Hydrocarbon Idle (g/kg fuel) |
4.6 |
1.42 |
| Hydrocarbon Unitary Average (g/kN) |
7.9 |
2.76 |
| Hydrocarbon Unitary Sigma (g/kN) |
|
0.38 |
| Hydrocarbon Unitary Range (g/kN) |
7.6-8.2 |
2.33-3.06 |
| Hydrocarbon Unitary Characteristic (g/kN) |
10.3 |
4.3 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
52.6 |
21.7 |
| Hydrocarbon LTO (g) |
849 |
287 |
| Carbon Monoxide Take Off (g/kg fuel) |
3.1 |
0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) |
7.4 |
0.9 |
| Carbon Monoxide Approach (g/kg fuel) |
21.5 |
3.1 |
| Carbon Monoxide Idle (g/kg fuel) |
44.8 |
26.8 |
| Carbon Monoxide Unitary Average (g/kN) |
96.7 |
53.5 |
| Carbon Monoxide Unitary SD (g/kN) |
|
2.85 |
| Carbon Monoxide Unitary Range (g/kN) |
95.2-98.2 |
51.2-56.7 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
110.2 |
65.7 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
93.4 |
55.7 |
| NOx Take Off (g/kg fuel) |
14.2 |
20.7 |
| NOx Climb Out (g/kg fuel) |
11 |
17.8 |
| NOx Approach (g/kg fuel) |
8.7 |
9.1 |
| NOx Idle (g/kg fuel) |
3.6 |
4.3 |
| NOx Unitary Average (g/kN) |
28.8 |
45.8 |
| NOx Unitary SD (g/kN) |
|
0.82 |
| NOx Unitary Range (g/kN) |
28.4-29.2 |
45.3-46.8 |
| NOx Unitary Characteristic (g/kN) |
31.7 |
53.1 |
| NOx Unitaryto Standard (% of limit) |
35.5 |
58.3 |
| NOx Unitaryto CAEP2 (% of limit) |
44.4 |
72.9 |
| NOx Unitaryto CAEP4 (% of limit) |
54.3 |
88.8 |
| NOx Unitaryto CAEP6 (% of limit) |
61.7 |
100.9 |
| NOx Unitaryto CAEP8 (% of limit) |
74.6 |
121.3 |
| NOx LTO (g) |
3020 |
4810 |
| Smoke Take Off (SN) |
0.3 |
7.7 |
| Smoke Climb Out (SN) |
0.3 |
3.9 |
| Smoke Approach (SN) |
6.7 |
2.5 |
| Smoke Idle (SN) |
1.8 |
2.3 |
| Smoke Max (SN) |
6.7 |
7.7 |
| Smoke Sigma (SN) |
|
0.76 |
| Smoke Range (SN) |
6.2-7.1 |
6.8-8.3 |
| Smoke Characteristic (SN) |
7.9 |
9.9 |
| Smoke Characteristicto Regulatory (% of limit) |
33.8 |
42.4 |
| Fuel Flow Take Off (kg/s) |
0.97 |
1.154 |
| Fuel Flow Climbout (kg/s) |
0.81 |
0.954 |
| Fuel Flow Approach (kg/s) |
0.31 |
0.336 |
| Fuel Flow Idle (kg/s) |
0.11 |
0.124 |
| Fuel LTO (kg) |
394 |
448 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
10205 |
5591 |
| Compressor Description |
1 fan, 4-stage LP, 9-stage HP |
|
| Emissions Data Status |
C |
R |
| Engine Status |
Out of production |
Out of production |
| Turbine Description |
1-stage HP, 4-stage LP |
|