| LEAP-1B25 ✕ | CFM56-5-A1 ✕ | |
|---|---|---|
| Family | LEAP-1B | |
| EASA ID | 08P28CM146 | 1CM008 |
| Aircraft Engine Manufacturer | CFM International | CFM International |
| Aircraft Engine Type | Turbofan | 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 | 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 | 26.6 |
| Maximum Takeoff Thrust (kN) | 119.15 | 111.2 |
| Hydrocarbon Take Off (g/kg fuel) | 0.0275 | 0.23 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.0146 | 0.23 |
| Hydrocarbon Approach (g/kg fuel) | 0.0298 | 0.4 |
| Hydrocarbon Idle (g/kg fuel) | 0.4483 | 1.4 |
| Hydrocarbon Unitary Average (g/kN) | 0.6012 | 2.6 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.1104 | 0.5 |
| Hydrocarbon Unitary Range (g/kN) | 0.48-0.79 | 2.3-3.2 |
| Hydrocarbon Unitary Characteristic (g/kN) | 0.7013 | 4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 3.5781 | 20.4 |
| Hydrocarbon LTO (g) | 71.6287 | 285 |
| 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 | 2.5 |
| Carbon Monoxide Idle (g/kg fuel) | 15.0106 | 17.6 |
| Carbon Monoxide Unitary Average (g/kN) | 19.755 | 27.9 |
| Carbon Monoxide Unitary SD (g/kN) | 0.7425 | 0.7 |
| Carbon Monoxide Unitary Range (g/kN) | 18.94-21.02 | 27-28.4 |
| Carbon Monoxide Unitary Characteristic (g/kN) | 21.366 | 34.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 18.1068 | 29 |
| NOx Take Off (g/kg fuel) | 48.2173 | 24.6 |
| NOx Climb Out (g/kg fuel) | 19.9921 | 19.6 |
| NOx Approach (g/kg fuel) | 10.3454 | 8 |
| NOx Idle (g/kg fuel) | 4.7604 | 4 |
| NOx Unitary Average (g/kN) | 44.994 | 40.5 |
| NOx Unitary SD (g/kN) | 3.5445 | 0.6 |
| NOx Unitary Range (g/kN) | 39.8-49.11 | 39.9-40.9 |
| NOx Unitary Characteristic (g/kN) | 47.658 | 46.9 |
| NOx Unitaryto Standard (% of limit) | 40.3483 | 50.4 |
| NOx Unitaryto CAEP2 (% of limit) | 50.4354 | 63 |
| NOx Unitaryto CAEP4 (% of limit) | 55.9916 | 76.3 |
| NOx Unitaryto CAEP6 (% of limit) | 61.8321 | 86.7 |
| NOx Unitaryto CAEP8 (% of limit) | 69.8425 | 103.5 |
| NOx LTO (g) | 5361.032 | 4506 |
| Smoke Take Off (SN) | 0.5915 | 15.8 |
| Smoke Climb Out (SN) | 0.538 | 14 |
| Smoke Approach (SN) | 0.7762 | 4.4 |
| Smoke Idle (SN) | 0.5865 | 2.3 |
| Smoke Max (SN) | 2.1594 | 15.8 |
| Smoke Sigma (SN) | 1.3952 | 2 |
| Smoke Range (SN) | 0.32-3.81 | 13.5-17.3 |
| Smoke Characteristic (SN) | 2.3754 | 20.3 |
| Smoke Characteristicto Regulatory (% of limit) | 10.5287 | 88.5 |
| Fuel Flow Take Off (kg/s) | 0.9521 | 1.051 |
| Fuel Flow Climbout (kg/s) | 0.7802 | 0.862 |
| Fuel Flow Approach (kg/s) | 0.2664 | 0.291 |
| Fuel Flow Idle (kg/s) | 0.096 | 0.1011 |
| Fuel LTO (kg) | 356.6018 | 385 |
| Fuel Venting Compliant | Yes | No |
| Carbon Monoxide LTO (g) | 2353.81 | 3093 |
| Compressor Description | 1 fan, 3-stage LP, 10-stage HP | |
| Emissions Data Status | C | R |
| 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 |