| LEAP-1B25 ✕ | |
|---|---|
| Family | LEAP-1B |
| EASA ID | 08P28CM146 |
| 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 | 8.3584 |
| Overall Pressure Ratio | 39.0582 |
| Maximum Takeoff Thrust (kN) | 119.15 |
| Hydrocarbon Take Off (g/kg fuel) | 0.0275 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.0146 |
| Hydrocarbon Approach (g/kg fuel) | 0.0298 |
| Hydrocarbon Idle (g/kg fuel) | 0.4483 |
| Hydrocarbon Unitary Average (g/kN) | 0.6012 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.1104 |
| Hydrocarbon Unitary Range (g/kN) | 0.48-0.79 |
| Hydrocarbon Unitary Characteristic (g/kN) | 0.7013 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 3.5781 |
| Hydrocarbon LTO (g) | 71.6287 |
| Carbon Monoxide Take Off (g/kg fuel) | 0.1655 |
| Carbon Monoxide Climb Out (g/kg fuel) | 0.1379 |
| Carbon Monoxide Approach (g/kg fuel) | 1.3444 |
| Carbon Monoxide Idle (g/kg fuel) | 15.0106 |
| Carbon Monoxide Unitary Average (g/kN) | 19.755 |
| Carbon Monoxide Unitary SD (g/kN) | 0.7425 |
| Carbon Monoxide Unitary Range (g/kN) | 18.94-21.02 |
| Carbon Monoxide Unitary Characteristic (g/kN) | 21.366 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 18.1068 |
| NOx Take Off (g/kg fuel) | 48.2173 |
| NOx Climb Out (g/kg fuel) | 19.9921 |
| NOx Approach (g/kg fuel) | 10.3454 |
| NOx Idle (g/kg fuel) | 4.7604 |
| NOx Unitary Average (g/kN) | 44.994 |
| NOx Unitary SD (g/kN) | 3.5445 |
| NOx Unitary Range (g/kN) | 39.8-49.11 |
| NOx Unitary Characteristic (g/kN) | 47.658 |
| NOx Unitaryto Standard (% of limit) | 40.3483 |
| NOx Unitaryto CAEP2 (% of limit) | 50.4354 |
| NOx Unitaryto CAEP4 (% of limit) | 55.9916 |
| NOx Unitaryto CAEP6 (% of limit) | 61.8321 |
| NOx Unitaryto CAEP8 (% of limit) | 69.8425 |
| NOx LTO (g) | 5361.032 |
| Smoke Take Off (SN) | 0.5915 |
| Smoke Climb Out (SN) | 0.538 |
| Smoke Approach (SN) | 0.7762 |
| Smoke Idle (SN) | 0.5865 |
| Smoke Max (SN) | 2.1594 |
| Smoke Sigma (SN) | 1.3952 |
| Smoke Range (SN) | 0.32-3.81 |
| Smoke Characteristic (SN) | 2.3754 |
| Smoke Characteristicto Regulatory (% of limit) | 10.5287 |
| Fuel Flow Take Off (kg/s) | 0.9521 |
| Fuel Flow Climbout (kg/s) | 0.7802 |
| Fuel Flow Approach (kg/s) | 0.2664 |
| Fuel Flow Idle (kg/s) | 0.096 |
| Fuel LTO (kg) | 356.6018 |
| Fuel Venting Compliant | Yes |
| Carbon Monoxide LTO (g) | 2353.81 |
| Compressor Description | 1 fan, 3-stage LP, 10-stage HP |
| Emissions Data Status | C |
| 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 |