| LEAP-1B28B2 ✕ | IAE V2500 ✕ | |
|---|---|---|
| Family | LEAP-1B | |
| EASA ID | 18CM085 | |
| Aircraft Engine Manufacturer | CFM International | IAE |
| Aircraft Engine Type | Turbofan | Turbofan |
| Comment | Boeing 737 MAX | |
| Dry Weight (kg) | 2780 | 2595 |
| Diameter (mm) | 1763 | 1682 |
| Max Rotating Diameter (mm) | 1763 | |
| Length (mm) | 3147 | 3201 |
| Height (mm) | 2256 | |
| Width (mm) | 2421 | |
| Wikipedia Article (URL) | en.wikipedia.org/wiki/CFM_International_LEAP | en.wikipedia.org/wiki/IAE_V2500 |
| 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 | No |
| Streams | 2 | 2 |
| Bypass Ratio | 8.6 | |
| Overall Pressure Ratio | 41.5 | |
| Maximum Takeoff Thrust (kN) | 130.4 | 140.56 |
| Thrust To Weight | 4.18 | |
| 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 | 1 fan, 4 low-pressure, 10 high-pressure |
| 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 | 2 high-pressure, 5 low-pressure |