PW4090

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
408.3 kN
Bypass Ratio
6
Overall Pressure Ratio
38.9
Fuel Flow Take Off
3.926 kg/s
NOx Unitaryto CAEP8
123.4 % 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 Overall Pressure Ratio 38.9 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
Trent 892 Rolls-Royce 411.48 5.7 41.38 Compare
Trent 895 Rolls-Royce 413.05 5.7 41.52 Compare
PW4090 Pratt & Whitney 395 6.1 39.16 Compare
Trent 884 Rolls-Royce 390.1 5.87 38.96 Compare
PW4084D Pratt & Whitney 385.9 6.2 36.3 Compare
Trent 877 Rolls-Royce 361.64 6.02 36.3 Compare
All data (56 fields)
Name
PW4090
EASA ID
10PW099
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
Overall Pressure Ratio
38.9
Maximum Takeoff Thrust (kN)
408.3
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)
0.69
Hydrocarbon Unitary Average (g/kN)
0.94
Hydrocarbon Unitary Characteristic (g/kN)
1.23
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
6.3
Hydrocarbon LTO (g)
384.4
Carbon Monoxide Take Off (g/kg fuel)
0.27
Carbon Monoxide Climb Out (g/kg fuel)
0.31
Carbon Monoxide Approach (g/kg fuel)
0.55
Carbon Monoxide Idle (g/kg fuel)
11.94
Carbon Monoxide Unitary Average (g/kN)
16.15
Carbon Monoxide Unitary Characteristic (g/kN)
18.39
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
15.6
NOx Take Off (g/kg fuel)
57.52
NOx Climb Out (g/kg fuel)
41.17
NOx Approach (g/kg fuel)
12.74
NOx Idle (g/kg fuel)
4.48
NOx Unitary Average (g/kN)
76.22
NOx Unitary Characteristic (g/kN)
83.82
NOx Unitaryto Standard (% of limit)
71.2
NOx Unitaryto CAEP2 (% of limit)
88.9
NOx Unitaryto CAEP4 (% of limit)
98.8
NOx Unitaryto CAEP6 (% of limit)
109.2
NOx Unitaryto CAEP8 (% of limit)
123.4
NOx LTO (g)
31121.8
Smoke Take Off (SN)
10.51
Smoke Climb Out (SN)
4.29
Smoke Approach (SN)
0.7
Smoke Idle (SN)
0.37
Smoke Max (SN)
10.5
Smoke Characteristic (SN)
12.3
Smoke Characteristicto Regulatory (% of limit)
76.5
Fuel Flow Take Off (kg/s)
3.926
Fuel Flow Climbout (kg/s)
2.996
Fuel Flow Approach (kg/s)
0.979
Fuel Flow Idle (kg/s)
0.338
Fuel LTO (kg)
1322.6
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
6592.1
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 c)