Compare reaction turbines

All reaction turbines

PW4056 ✕ PW4156 ✕
EASA ID 1PW041 1PW046
Aircraft Engine Manufacturer Pratt & Whitney Pratt & Whitney
Aircraft Engine Type Turbofan Turbofan
Fuel Jet A Jet A
Geared Fan No No
Afterburner No No
Streams 2 2
Bypass Ratio 4.7 4.7
Overall Pressure Ratio 29.3 29.3
Maximum Takeoff Thrust (kN) 252.4 252.4
Hydrocarbon Take Off (g/kg fuel) 0.11 0.11
Hydrocarbon Climb Out (g/kg fuel) 0.17 0.17
Hydrocarbon Approach (g/kg fuel) 0.25 0.25
Hydrocarbon Idle (g/kg fuel) 0.66 0.66
Hydrocarbon Unitary Average (g/kN) 1.2 1.2
Hydrocarbon Unitary Characteristic (g/kN) 1.8 1.8
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 9.4 9.4
Hydrocarbon LTO (g) 288 288
Carbon Monoxide Take Off (g/kg fuel) 0.08 0.08
Carbon Monoxide Climb Out (g/kg fuel) 0.14 0.14
Carbon Monoxide Approach (g/kg fuel) 0.9 0.9
Carbon Monoxide Idle (g/kg fuel) 11.6 11.6
Carbon Monoxide Unitary Average (g/kN) 14.2 14.2
Carbon Monoxide Unitary Characteristic (g/kN) 17.4 17.4
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 14.8 14.8
NOx Take Off (g/kg fuel) 32.5 32.5
NOx Climb Out (g/kg fuel) 24.6 24.6
NOx Approach (g/kg fuel) 11.6 11.6
NOx Idle (g/kg fuel) 5 5
NOx Unitary Average (g/kN) 51.7 51.7
NOx Unitary Characteristic (g/kN) 59.9 59.9
NOx Unitaryto Standard (% of limit) 60.8 60.8
NOx Unitaryto CAEP2 (% of limit) 76 76
NOx Unitaryto CAEP4 (% of limit) 91 91
NOx Unitaryto CAEP6 (% of limit) 103.4 103.4
NOx Unitaryto CAEP8 (% of limit) 121.9 121.9
NOx LTO (g) 13043 13043
Smoke Take Off (SN) 14.3 14.3
Smoke Max (SN) 14.3 14.3
Smoke Characteristic (SN) 18.4 18.4
Smoke Characteristicto Regulatory (% of limit) 100.2 100.2
Fuel Flow Take Off (kg/s) 2.449 2.449
Fuel Flow Climbout (kg/s) 1.981 1.981
Fuel Flow Approach (kg/s) 0.647 0.647
Fuel Flow Idle (kg/s) 0.188 0.188
Fuel LTO (kg) 813 813
Fuel Venting Compliant No No
Carbon Monoxide LTO (g) 3587 3587
Emissions Data Status C C
Engine Status Out of production Out of production