PW4x62

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
275.8 kN
Bypass Ratio
4.4
Overall Pressure Ratio
33.4
Fuel Flow Take Off
2.858 kg/s
NOx Unitaryto CAEP8
114 % 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 4.4 Overall Pressure Ratio 33.4 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW4062 Pratt & Whitney 275.8 4.6 31 Compare
PW4x62 Pratt & Whitney 275.8 4.6 31.91 Compare
PW4060 Pratt & Whitney 266.9 4.5 32.4 Compare
PW4460 Pratt & Whitney 266.9 4.5 32.4 Compare
RB211-524H Rolls-Royce 264.4 4.2 34 Compare
RB211-524H-T Rolls-Royce 264 4.2 34 Compare
All data (53 fields)
Name
PW4x62
EASA ID
1PW058
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
4.4
Overall Pressure Ratio
33.4
Maximum Takeoff Thrust (kN)
275.8
Hydrocarbon Take Off (g/kg fuel)
0.1
Hydrocarbon Climb Out (g/kg fuel)
0.06
Hydrocarbon Approach (g/kg fuel)
0.14
Hydrocarbon Idle (g/kg fuel)
1.53
Hydrocarbon Unitary Average (g/kN)
2
Hydrocarbon Unitary Characteristic (g/kN)
3.1
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
15.7
Hydrocarbon LTO (g)
571
Carbon Monoxide Take Off (g/kg fuel)
0.35
Carbon Monoxide Climb Out (g/kg fuel)
0.49
Carbon Monoxide Approach (g/kg fuel)
1.69
Carbon Monoxide Idle (g/kg fuel)
19.51
Carbon Monoxide Unitary Average (g/kN)
25.6
Carbon Monoxide Unitary Characteristic (g/kN)
31.4
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
26.6
NOx Take Off (g/kg fuel)
36.3
NOx Climb Out (g/kg fuel)
25.7
NOx Approach (g/kg fuel)
12.2
NOx Idle (g/kg fuel)
4.9
NOx Unitary Average (g/kN)
56
NOx Unitary Characteristic (g/kN)
64.9
NOx Unitaryto Standard (% of limit)
60.8
NOx Unitaryto CAEP2 (% of limit)
76
NOx Unitaryto CAEP4 (% of limit)
88
NOx Unitaryto CAEP6 (% of limit)
98.7
NOx Unitaryto CAEP8 (% of limit)
114
NOx LTO (g)
15470
Smoke Take Off (SN)
8.4
Smoke Max (SN)
8.4
Smoke Characteristic (SN)
10.8
Smoke Characteristicto Regulatory (% of limit)
60.3
Fuel Flow Take Off (kg/s)
2.858
Fuel Flow Climbout (kg/s)
2.161
Fuel Flow Approach (kg/s)
0.725
Fuel Flow Idle (kg/s)
0.217
Fuel LTO (kg)
918
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
7080
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 c)