PW4074D

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
344.5 kN
Bypass Ratio
6.7
Overall Pressure Ratio
32.3
Fuel Flow Take Off
3.042 kg/s
NOx Unitaryto CAEP8
118.2 % of limit

Architecture

Fan Fan Stages — Fan Blades — Fan Technology — Fan Pressure Ratio —
Gearbox Geared Fan No Gear — Reduction Ratio —
LP compressor Low-Pressure Compressor Stages — Low-Pressure Compressor Technology — BP Compressor Pressure Ratio —
IP compressor Intermediary-Pressure Compressor Stages — Intermediary-Pressure Compressor Technology — IP Compressor Pressure Ratio —
HP compressor High-Pressure Compressor Stages — High-Pressure Compressor Technology — HP Compressor Pressure Ratio —
Combustor Combustion Chamber Floatwall
HP turbine High Pressure Compressor Stages — High-Pressure Turbine Technology —
IP turbine Intermediary-Pressure Turbine Stages — Intermediary-Pressure Turbine Technology —
LP turbine Low-Pressure Turbine Stages — Low-Pressure Turbine Technology —
Whole engine Streams 2 Bypass Ratio 6.7 Overall Pressure Ratio 32.3 Afterburner No

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Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW4077 Pratt & Whitney 343 6.7 33.2 Compare
PW4077D Pratt & Whitney 343 6.6 32.83 Compare
PW4074D Pratt & Whitney 333.2 6.7 31.76 Compare
PW4074 Pratt & Whitney 333.2 6.8 32.2 Compare
Trent 972-84 Rolls-Royce 345.9 7.5 38.64 Compare
Trent 875 Rolls-Royce 351.85 6.08 35.42 Compare
All data (56 fields)
Name
PW4074D
EASA ID
10PW096
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Combustion Chamber
Floatwall
Afterburner
No
Streams
2
Bypass Ratio
6.7
Overall Pressure Ratio
32.3
Maximum Takeoff Thrust (kN)
344.5
Hydrocarbon Take Off (g/kg fuel)
0.02
Hydrocarbon Climb Out (g/kg fuel)
0.02
Hydrocarbon Approach (g/kg fuel)
0.04
Hydrocarbon Idle (g/kg fuel)
3.12
Hydrocarbon Unitary Average (g/kN)
4.36
Hydrocarbon Unitary Characteristic (g/kN)
5.67
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
28.9
Hydrocarbon LTO (g)
1501.9
Carbon Monoxide Take Off (g/kg fuel)
0.3
Carbon Monoxide Climb Out (g/kg fuel)
0.35
Carbon Monoxide Approach (g/kg fuel)
0.96
Carbon Monoxide Idle (g/kg fuel)
26.34
Carbon Monoxide Unitary Average (g/kN)
37.4
Carbon Monoxide Unitary Characteristic (g/kN)
42.61
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
36.1
NOx Take Off (g/kg fuel)
42.46
NOx Climb Out (g/kg fuel)
32.71
NOx Approach (g/kg fuel)
11.35
NOx Idle (g/kg fuel)
3.8
NOx Unitary Average (g/kN)
58.84
NOx Unitary Characteristic (g/kN)
64.7
NOx Unitaryto Standard (% of limit)
61.9
NOx Unitaryto CAEP2 (% of limit)
77.3
NOx Unitaryto CAEP4 (% of limit)
90.4
NOx Unitaryto CAEP6 (% of limit)
101.8
NOx Unitaryto CAEP8 (% of limit)
118.2
NOx LTO (g)
20269.1
Smoke Take Off (SN)
4.22
Smoke Climb Out (SN)
2.36
Smoke Approach (SN)
0.65
Smoke Idle (SN)
0.33
Smoke Max (SN)
4.2
Smoke Characteristic (SN)
4.9
Smoke Characteristicto Regulatory (% of limit)
29.2
Fuel Flow Take Off (kg/s)
3.042
Fuel Flow Climbout (kg/s)
2.471
Fuel Flow Approach (kg/s)
0.869
Fuel Flow Idle (kg/s)
0.305
Fuel LTO (kg)
1138.3
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
12885.3
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 c)