| Family |
LEAP-1B |
|
| EASA ID |
18CM085 |
|
| Aircraft Engine Manufacturer |
CFM International |
Shenyang |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Comment |
Boeing 737 MAX |
|
| Dry Weight (kg) |
2780 |
1795 |
| Diameter (mm) |
1763 |
|
| Max Rotating Diameter (mm) |
1763 |
|
| Length (mm) |
3147 |
|
| Height (mm) |
2256 |
|
| Width (mm) |
2421 |
|
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/CFM_International_LEAP |
en.wikipedia.org/wiki/Shenyang_WS-10 |
| Fuel |
Jet A |
|
| Fan Blades |
18 |
|
| Geared Fan |
No |
No |
| Low-Pressure Compressor Stages |
3 |
|
| High-Pressure Compressor Stages |
10 |
|
| Combustion Chamber |
TAPS II |
annular |
| High Pressure Compressor Stages |
2 |
|
| Low-Pressure Turbine Stages |
5 |
|
| Afterburner |
No |
Yes |
| Streams |
2 |
2 |
| Bypass Ratio |
8.6 |
|
| Overall Pressure Ratio |
41.5 |
|
| Maximum Takeoff Thrust (kN) |
130.4 |
135 |
| Thrust To Weight |
|
8.8 |
| Hydrocarbon Take Off (g/kg fuel) |
0.05 |
|
| Hydrocarbon Climb Out (g/kg fuel) |
0.04 |
|
| Hydrocarbon Approach (g/kg fuel) |
0.05 |
|
| Hydrocarbon Idle (g/kg fuel) |
0.57 |
|
| Hydrocarbon Unitary Average (g/kN) |
0.74 |
|
| Hydrocarbon Unitary Sigma (g/kN) |
0.09 |
|
| Hydrocarbon Unitary Range (g/kN) |
0.66-0.84 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
1.15 |
|
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
5.9 |
|
| Hydrocarbon LTO (g) |
97 |
|
| Carbon Monoxide Take Off (g/kg fuel) |
0.18 |
|
| Carbon Monoxide Climb Out (g/kg fuel) |
0.14 |
|
| Carbon Monoxide Approach (g/kg fuel) |
1.2 |
|
| Carbon Monoxide Idle (g/kg fuel) |
14.62 |
|
| Carbon Monoxide Unitary Average (g/kN) |
17.94 |
|
| Carbon Monoxide Unitary SD (g/kN) |
0.77 |
|
| Carbon Monoxide Unitary Range (g/kN) |
16.97-18.38 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
21.93 |
|
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
18.6 |
|
| NOx Take Off (g/kg fuel) |
60.67 |
|
| NOx Climb Out (g/kg fuel) |
29.58 |
|
| NOx Approach (g/kg fuel) |
11.24 |
|
| NOx Idle (g/kg fuel) |
4.64 |
|
| NOx Unitary Average (g/kN) |
57.78 |
|
| NOx Unitary SD (g/kN) |
1.38 |
|
| NOx Unitary Range (g/kN) |
56.39-59.15 |
|
| NOx Unitary Characteristic (g/kN) |
66.96 |
|
| NOx Unitaryto Standard (% of limit) |
54.4 |
|
| NOx Unitaryto CAEP2 (% of limit) |
68 |
|
| NOx Unitaryto CAEP4 (% of limit) |
74.4 |
|
| NOx Unitaryto CAEP6 (% of limit) |
81.7 |
|
| NOx Unitaryto CAEP8 (% of limit) |
91.6 |
|
| NOx LTO (g) |
7534 |
|
| Smoke Take Off (SN) |
0.94 |
|
| Smoke Climb Out (SN) |
0.85 |
|
| Smoke Approach (SN) |
1.07 |
|
| Smoke Idle (SN) |
0.8 |
|
| Smoke Max (SN) |
1.16 |
|
| Smoke Sigma (SN) |
0.29 |
|
| Smoke Range (SN) |
0.34-0.9 |
|
| Smoke Characteristic (SN) |
1.49 |
|
| Smoke Characteristicto Regulatory (% of limit) |
6.8 |
|
| Fuel Flow Take Off (kg/s) |
1.061 |
|
| Fuel Flow Climbout (kg/s) |
0.864 |
|
| Fuel Flow Approach (kg/s) |
0.277 |
|
| Fuel Flow Idle (kg/s) |
0.098 |
|
| Fuel LTO (kg) |
378 |
|
| Fuel Venting Compliant |
Yes |
|
| Carbon Monoxide LTO (g) |
2339 |
|
| Compressor Description |
1 fan, 3-stage LP, 10-stage HP |
|
| Emissions Data Status |
C |
|
| Emissions Data Superseded |
Yes |
|
| Emissions Superseded By |
20CM101 |
|
| NOx Compliance Demonstration |
2.3.2 e) |
|
| Turbine Description |
2-stage HP, 5-stage LP |
|