| Family |
LEAP-1B |
CFM56-5A |
| EASA ID |
08P28CM146 |
1CM009 |
| Aircraft Engine Manufacturer |
CFM International |
CFM International |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Boeing 737 MAX |
Airbus A319, A320 |
| Dry Weight (kg) |
2780 |
2266 |
| Diameter (mm) |
1763 |
1735 |
| Max Rotating Diameter (mm) |
1763 |
1735 |
| Length (mm) |
3147 |
|
| Height (mm) |
2256 |
|
| Width (mm) |
2421 |
|
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_LEAP |
en.wikipedia.org/wiki/CFM_International_CFM56 |
| Fuel |
JET A |
Jet A |
| Fan Blades |
18 |
|
| Geared Fan |
No |
No |
| Low-Pressure Compressor Stages |
3 |
|
| High-Pressure Compressor Stages |
10 |
|
| Combustion Chamber |
TAPS II |
|
| High Pressure Compressor Stages |
2 |
|
| Low-Pressure Turbine Stages |
5 |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
8.3584 |
6 |
| Overall Pressure Ratio |
39.0582 |
27.9 |
| Maximum Takeoff Thrust (kN) |
119.15 |
117.88 |
| Hydrocarbon Take Off (g/kg fuel) |
0.0275 |
0.2 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.0146 |
0.2 |
| Hydrocarbon Approach (g/kg fuel) |
0.0298 |
0.3 |
| Hydrocarbon Idle (g/kg fuel) |
0.4483 |
1.3 |
| Hydrocarbon Unitary Average (g/kN) |
0.6012 |
2.3 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.1104 |
0.5 |
| Hydrocarbon Unitary Range (g/kN) |
0.48-0.79 |
1.8-2.8 |
| Hydrocarbon Unitary Characteristic (g/kN) |
0.7013 |
3.5 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
3.5781 |
18.1 |
| Hydrocarbon LTO (g) |
71.6287 |
268 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.1655 |
0.9 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.1379 |
0.9 |
| Carbon Monoxide Approach (g/kg fuel) |
1.3444 |
2.4 |
| Carbon Monoxide Idle (g/kg fuel) |
15.0106 |
16.2 |
| Carbon Monoxide Unitary Average (g/kN) |
19.755 |
25.1 |
| Carbon Monoxide Unitary SD (g/kN) |
0.7425 |
0.6 |
| Carbon Monoxide Unitary Range (g/kN) |
18.94-21.02 |
24.2-25.5 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
21.366 |
30.8 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
18.1068 |
26.1 |
| NOx Take Off (g/kg fuel) |
48.2173 |
26.4 |
| NOx Climb Out (g/kg fuel) |
19.9921 |
21.1 |
| NOx Approach (g/kg fuel) |
10.3454 |
8.3 |
| NOx Idle (g/kg fuel) |
4.7604 |
4.1 |
| NOx Unitary Average (g/kN) |
44.994 |
43.4 |
| NOx Unitary SD (g/kN) |
3.5445 |
0.7 |
| NOx Unitary Range (g/kN) |
39.8-49.11 |
42.7-44.2 |
| NOx Unitary Characteristic (g/kN) |
47.658 |
50.3 |
| NOx Unitaryto Standard (% of limit) |
40.3483 |
52.5 |
| NOx Unitaryto CAEP2 (% of limit) |
50.4354 |
65.6 |
| NOx Unitaryto CAEP4 (% of limit) |
55.9916 |
79 |
| NOx Unitaryto CAEP6 (% of limit) |
61.8321 |
89.8 |
| NOx Unitaryto CAEP8 (% of limit) |
69.8425 |
106.7 |
| NOx LTO (g) |
5361.032 |
5110 |
| Smoke Take Off (SN) |
0.5915 |
16.8 |
| Smoke Climb Out (SN) |
0.538 |
14.6 |
| Smoke Approach (SN) |
0.7762 |
4.8 |
| Smoke Idle (SN) |
0.5865 |
2.7 |
| Smoke Max (SN) |
2.1594 |
16.8 |
| Smoke Sigma (SN) |
1.3952 |
2 |
| Smoke Range (SN) |
0.32-3.81 |
14.6-18.8 |
| Smoke Characteristic (SN) |
2.3754 |
21.6 |
| Smoke Characteristicto Regulatory (% of limit) |
10.5287 |
95.6 |
| Fuel Flow Take Off (kg/s) |
0.9521 |
1.131 |
| Fuel Flow Climbout (kg/s) |
0.7802 |
0.925 |
| Fuel Flow Approach (kg/s) |
0.2664 |
0.307 |
| Fuel Flow Idle (kg/s) |
0.096 |
0.1044 |
| Fuel LTO (kg) |
356.6018 |
406 |
| Fuel Venting Compliant |
Yes |
No |
| Carbon Monoxide LTO (g) |
2353.81 |
2968 |
| Compressor Description |
1 fan, 3-stage LP, 10-stage HP |
|
| Emissions Data Status |
C |
C |
| Engine Status |
|
Out of production |
| NOx Compliance Demonstration |
2.3.2 e) |
|
| nvPME Imass Approach (mg/kg) |
1.7089 |
|
| nvPME Imass Climb Out (mg/kg) |
0.0941 |
|
| nvPME Imass Idle (mg/kg) |
0.6964 |
|
| nvPME Imass Max (mg/kg) |
19.572 |
|
| nvPME Imass Take Off (mg/kg) |
0.0928 |
|
| nvPME Inum Approach (#/kg) |
77595560000000 |
|
| nvPME Inum Climb Out (#/kg) |
13866180000 |
|
| nvPME Inum Idle (#/kg) |
63000300000000 |
|
| nvPME Inum Max (#/kg) |
379726600000000 |
|
| nvPME Inum Take Off (#/kg) |
11912060000 |
|
| nvPMLTO Mass (mg) |
226.9019 |
|
| nvPMLTO Mass Per Thrust (mg/kN) |
2.15 |
|
| nvPMLTO Mass To CAEP11 (% of limit) |
0.5031 |
|
| nvPMLTO Number (#) |
14393310000000000 |
|
| nvPMLTO Number Per Thrust (#/kN) |
136382900000000 |
|
| nvPMLTO Number To CAEP11 (% of limit) |
2.5863 |
|
| nvPM Mass Concentration Characteristic (mg/m³) |
448.2236 |
|
| nvPM Mass Concentration Max (mg/m³) |
407.4801 |
|
| nvPM Mass Concentration To CAEP10 (% of limit) |
7.3938 |
|
| Turbine Description |
2-stage HP, 5-stage LP |
|