PW4460

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
266.9 kN
Bypass Ratio
4.5
Overall Pressure Ratio
32.4
Fuel Flow Take Off
2.647 kg/s
NOx Unitaryto CAEP8
111.3 % 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 Reduced smoke
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 4.5 Overall Pressure Ratio 32.4 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW4060 Pratt & Whitney 266.9 4.5 32.4 Compare
PW4x60 Pratt & Whitney 266.9 4.7 30.68 Compare
RB211-524H Rolls-Royce 264.4 4.2 34 Compare
RB211-524H-T Rolls-Royce 264 4.2 34 Compare
PW4158 Pratt & Whitney 258 4.6 30.7 Compare
PW4062 Pratt & Whitney 275.8 4.6 31 Compare
All data (52 fields)
Name
PW4460
EASA ID
1PW052
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Combustion Chamber
Reduced smoke
Afterburner
No
Streams
2
Bypass Ratio
4.5
Overall Pressure Ratio
32.4
Maximum Takeoff Thrust (kN)
266.9
Hydrocarbon Take Off (g/kg fuel)
0.1
Hydrocarbon Climb Out (g/kg fuel)
0.03
Hydrocarbon Approach (g/kg fuel)
0.14
Hydrocarbon Idle (g/kg fuel)
1.66
Hydrocarbon Unitary Average (g/kN)
2.2
Hydrocarbon Unitary Characteristic (g/kN)
3.4
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
17.3
Hydrocarbon LTO (g)
595
Carbon Monoxide Take Off (g/kg fuel)
0.37
Carbon Monoxide Climb Out (g/kg fuel)
0.51
Carbon Monoxide Approach (g/kg fuel)
1.78
Carbon Monoxide Idle (g/kg fuel)
20.32
Carbon Monoxide Unitary Average (g/kN)
27.1
Carbon Monoxide Unitary Characteristic (g/kN)
33.3
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
28.2
NOx Take Off (g/kg fuel)
32.8
NOx Climb Out (g/kg fuel)
24.7
NOx Approach (g/kg fuel)
12
NOx Idle (g/kg fuel)
4.9
NOx Unitary Average (g/kN)
52.7
NOx Unitary Characteristic (g/kN)
61.1
NOx Unitaryto Standard (% of limit)
58.3
NOx Unitaryto CAEP2 (% of limit)
72.9
NOx Unitaryto CAEP4 (% of limit)
86.2
NOx Unitaryto CAEP6 (% of limit)
95.8
NOx Unitaryto CAEP8 (% of limit)
111.3
NOx LTO (g)
14097
Smoke Take Off (SN)
8.3
Smoke Max (SN)
8.3
Smoke Characteristic (SN)
10.7
Smoke Characteristicto Regulatory (% of limit)
59.1
Fuel Flow Take Off (kg/s)
2.647
Fuel Flow Climbout (kg/s)
2.085
Fuel Flow Approach (kg/s)
0.703
Fuel Flow Idle (kg/s)
0.213
Fuel LTO (kg)
887
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
7234
Emissions Data Status
C
Engine Status
Out of production