| LEAP-1B25 ✕ | |
|---|---|
| Family | LEAP-1B |
| EASA ID | 20CM096 |
| Aircraft Engine Manufacturer | CFM International |
| Aircraft Engine Type | Turbofan |
| Comment | Boeing 737 MAX |
| Dry Weight (kg) | 2780 |
| 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 |
| Fuel | Jet A |
| Fan Blades | 18 |
| Geared Fan | 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 |
| Streams | 2 |
| Bypass Ratio | 8.4 |
| Overall Pressure Ratio | 40.135 |
| Maximum Takeoff Thrust (kN) | 119.2 |
| Hydrocarbon Take Off (g/kg fuel) | 0.04 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.04 |
| Hydrocarbon Approach (g/kg fuel) | 0.05 |
| Hydrocarbon Idle (g/kg fuel) | 0.59 |
| Hydrocarbon Unitary Average (g/kN) | 0.78 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.09 |
| Hydrocarbon Unitary Range (g/kN) | 0.66-0.84 |
| Hydrocarbon Unitary Characteristic (g/kN) | 1.2 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 6.1 |
| Hydrocarbon LTO (g) | 93 |
| Carbon Monoxide Take Off (g/kg fuel) | 0.17 |
| Carbon Monoxide Climb Out (g/kg fuel) | 0.14 |
| Carbon Monoxide Approach (g/kg fuel) | 1.25 |
| Carbon Monoxide Idle (g/kg fuel) | 15.27 |
| Carbon Monoxide Unitary Average (g/kN) | 18.94 |
| Carbon Monoxide Unitary SD (g/kN) | 0.77 |
| Carbon Monoxide Unitary Range (g/kN) | 16.97-18.38 |
| Carbon Monoxide Unitary Characteristic (g/kN) | 23.25 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 19.7 |
| NOx Take Off (g/kg fuel) | 48.9 |
| NOx Climb Out (g/kg fuel) | 20.35 |
| NOx Approach (g/kg fuel) | 11.1 |
| NOx Idle (g/kg fuel) | 4.57 |
| NOx Unitary Average (g/kN) | 45.46 |
| NOx Unitary SD (g/kN) | 1.38 |
| NOx Unitary Range (g/kN) | 56.39-59.15 |
| NOx Unitary Characteristic (g/kN) | 52.7 |
| NOx Unitaryto Standard (% of limit) | 43.8 |
| NOx Unitaryto CAEP2 (% of limit) | 54.8 |
| NOx Unitaryto CAEP4 (% of limit) | 60.4 |
| NOx Unitaryto CAEP6 (% of limit) | 66.5 |
| NOx Unitaryto CAEP8 (% of limit) | 74.9 |
| NOx LTO (g) | 5417 |
| 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) | 6.6 |
| Fuel Flow Take Off (kg/s) | 0.96 |
| Fuel Flow Climbout (kg/s) | 0.784 |
| Fuel Flow Approach (kg/s) | 0.26 |
| Fuel Flow Idle (kg/s) | 0.091 |
| Fuel LTO (kg) | 348 |
| Fuel Venting Compliant | Yes |
| Carbon Monoxide LTO (g) | 2257 |
| Compressor Description | 1 fan, 3-stage LP, 10-stage HP |
| Emissions Data Status | C |
| Emissions Data Superseded | Yes |
| Emissions Superseded By | 01P20CM135 |
| NOx Compliance Demonstration | 2.3.2 e) |
| Turbine Description | 2-stage HP, 5-stage LP |