| LEAP-1A24/24E1/23 ✕ | LEAP-1A29CJ ✕ | LEAP-1A35A/33/33B2/32/30 ✕ | |
|---|---|---|---|
| Family | LEAP-1A | LEAP-1A | LEAP-1A |
| EASA ID | 20CM088 | 20CM093 | 20CM090 |
| Aircraft Engine Manufacturer | CFM International | CFM International | CFM International |
| Aircraft Engine Type | Turbofan | Turbofan | Turbofan |
| Comment | Airbus A320neo family | Airbus A320neo family | Airbus A320neo family |
| Full Weight (kg) | 3153 | 3153 | 3153 |
| Diameter (mm) | 1981 | 1981 | 1981 |
| Max Rotating Diameter (mm) | 1981 | 1981 | 1981 |
| Length (mm) | 3328 | 3328 | 3328 |
| Height (mm) | 2362 | 2362 | 2362 |
| Width (mm) | 2543 | 2543 | 2543 |
| Wikipedia Article (URL) | en.wikipedia.org/wiki/CFM_International_LEAP | en.wikipedia.org/wiki/CFM_International_LEAP | en.wikipedia.org/wiki/CFM_International_LEAP |
| Fuel | Jet A | Jet A | Jet A |
| Fan Blades | 18 | 18 | 18 |
| Geared Fan | No | No | No |
| Low-Pressure Compressor Stages | 3 | 3 | 3 |
| High-Pressure Compressor Stages | 10 | 10 | 10 |
| Combustion Chamber | TAPS II | TAPS II | TAPS II |
| High Pressure Compressor Stages | 2 | 2 | 2 |
| Low-Pressure Turbine Stages | 7 | 7 | 7 |
| Afterburner | No | No | No |
| Streams | 2 | 2 | 2 |
| Bypass Ratio | 11.3 | 10.7 | 10.5 |
| Overall Pressure Ratio | 30 | 35.5 | 38.5 |
| Maximum Takeoff Thrust (kN) | 106.8 | 130.3 | 143.1 |
| Hydrocarbon Take Off (g/kg fuel) | 0.02 | 0.04 | 0.05 |
| Hydrocarbon Climb Out (g/kg fuel) | 0.02 | 0.02 | 0.02 |
| Hydrocarbon Approach (g/kg fuel) | 0.05 | 0.04 | 0.04 |
| Hydrocarbon Idle (g/kg fuel) | 0.37 | 0.25 | 0.21 |
| Hydrocarbon Unitary Average (g/kN) | 0.52 | 0.33 | 0.27 |
| Hydrocarbon Unitary Sigma (g/kN) | 0.06 | 0.04 | 0.04 |
| Hydrocarbon Unitary Range (g/kN) | 0.45-0.57 | 0.28-0.37 | 0.23-0.31 |
| Hydrocarbon Unitary Characteristic (g/kN) | 0.67 | 0.43 | 0.36 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) | 3 | 2.2 | 1.9 |
| Hydrocarbon LTO (g) | 55 | 43 | 39 |
| Carbon Monoxide Take Off (g/kg fuel) | 0.24 | 0.27 | 0.3 |
| Carbon Monoxide Climb Out (g/kg fuel) | 0.41 | 0.23 | 0.24 |
| Carbon Monoxide Approach (g/kg fuel) | 3.53 | 2.21 | 1.79 |
| Carbon Monoxide Idle (g/kg fuel) | 23.79 | 20.3 | 18.68 |
| Carbon Monoxide Unitary Average (g/kN) | 32.34 | 24.26 | 21.1 |
| Carbon Monoxide Unitary SD (g/kN) | 1.7 | 1.21 | 1.05 |
| Carbon Monoxide Unitary Range (g/kN) | 30.21-34 | 22.82-25.46 | 19.88-22.16 |
| Carbon Monoxide Unitary Characteristic (g/kN) | 36.84 | 27.64 | 24.07 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) | 31 | 23.4 | 20.4 |
| NOx Take Off (g/kg fuel) | 17.59 | 49.48 | 59.74 |
| NOx Climb Out (g/kg fuel) | 9.41 | 21.03 | 32.35 |
| NOx Approach (g/kg fuel) | 8.02 | 9.27 | 9.95 |
| NOx Idle (g/kg fuel) | 4.45 | 4.72 | 4.85 |
| NOx Unitary Average (g/kN) | 21.91 | 41.44 | 54.47 |
| NOx Unitary SD (g/kN) | 0.75 | 1.85 | 1.83 |
| NOx Unitary Range (g/kN) | 20.93-22.63 | 39.23-43.27 | 52.3-56.3 |
| NOx Unitary Characteristic (g/kN) | 24.09 | 45.57 | 59.93 |
| NOx Unitaryto Standard (% of limit) | 24 | 41.1 | 51.2 |
| NOx Unitaryto CAEP2 (% of limit) | 30 | 51.3 | 64 |
| NOx Unitaryto CAEP4 (% of limit) | 36 | 58.4 | 71.3 |
| NOx Unitaryto CAEP6 (% of limit) | 41 | 65.1 | 78.9 |
| NOx Unitaryto CAEP8 (% of limit) | 48 | 74.5 | 89.3 |
| NOx LTO (g) | 2341 | 5396 | 7795 |
| Smoke Take Off (SN) | 1.3 | 1.105 | 1.105 |
| Smoke Climb Out (SN) | 1.17 | 1.17 | 1.17 |
| Smoke Approach (SN) | 1.31 | 1.31 | 1.31 |
| Smoke Idle (SN) | 1.25 | 1.25 | 1.25 |
| Smoke Max (SN) | 1.56 | 1.56 | 1.56 |
| Smoke Sigma (SN) | 0.15 | 0.15 | 0.15 |
| Smoke Range (SN) | 1.47-1.82 | 1.47-1.82 | 1.47-1.82 |
| Smoke Characteristic (SN) | 1.83 | 1.83 | 1.83 |
| Smoke Characteristicto Regulatory (% of limit) | 8 | 8.3 | 8.5 |
| Fuel Flow Take Off (kg/s) | 0.745 | 0.946 | 1.062 |
| Fuel Flow Climbout (kg/s) | 0.616 | 0.777 | 0.869 |
| Fuel Flow Approach (kg/s) | 0.219 | 0.261 | 0.284 |
| Fuel Flow Idle (kg/s) | 0.087 | 0.094 | 0.098 |
| Fuel LTO (kg) | 301 | 352 | 380 |
| Fuel Venting Compliant | Yes | Yes | Yes |
| Carbon Monoxide LTO (g) | 3455 | 3150 | 3019 |
| Compressor Description | 1 fan, 3-stage LP, 10-stage HP | 1 fan, 3-stage LP, 10-stage HP | 1 fan, 3-stage LP, 10-stage HP |
| Emissions Data Status | C | C | C |
| Emissions Data Superseded | Yes | Yes | Yes |
| Emissions Superseded By | 01P20CM127 | 01P20CM131 | 01P20CM132 |
| NOx Compliance Demonstration | 2.3.2 e) | 2.3.2 e) | 2.3.2 e) |
| Turbine Description | 2-stage HP, 7-stage LP | 2-stage HP, 7-stage LP | 2-stage HP, 7-stage LP |