PW4168

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
302.48 kN
Bypass Ratio
5.1
Overall Pressure Ratio
33.1
Fuel Flow Take Off
2.836 kg/s
NOx Unitaryto CAEP8
134.2 % 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 5.1 Overall Pressure Ratio 33.1 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW4168A Pratt & Whitney 302.48 5.1 33.1 Compare
PW4168 Pratt & Whitney 302.5 5.1 31.84 Compare
CF6-80E1A3 GE Aircraft Engines 304.8 5.1 35.7 Compare
Trent 768 Rolls-Royce 304.2 5.15 34.48 Compare
CF6-80E1A4 GE Aircraft Engines 297.44 5.1 34.5 Compare
PW4168-1D Pratt & Whitney 305.1 4.92 33.1 Compare
All data (56 fields)
Name
PW4168
EASA ID
1PW050
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Combustion Chamber
Floatwall
Afterburner
No
Streams
2
Bypass Ratio
5.1
Overall Pressure Ratio
33.1
Maximum Takeoff Thrust (kN)
302.48
Hydrocarbon Take Off (g/kg fuel)
0.03
Hydrocarbon Climb Out (g/kg fuel)
0.04
Hydrocarbon Approach (g/kg fuel)
0.15
Hydrocarbon Idle (g/kg fuel)
3.29
Hydrocarbon Unitary Average (g/kN)
3.9
Hydrocarbon Unitary Characteristic (g/kN)
6
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
30.6
Hydrocarbon LTO (g)
1179
Carbon Monoxide Take Off (g/kg fuel)
0.72
Carbon Monoxide Climb Out (g/kg fuel)
0.74
Carbon Monoxide Approach (g/kg fuel)
1.75
Carbon Monoxide Idle (g/kg fuel)
23.51
Carbon Monoxide Unitary Average (g/kN)
28.9
Carbon Monoxide Unitary Characteristic (g/kN)
35.5
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
30.1
NOx Take Off (g/kg fuel)
42.39
NOx Climb Out (g/kg fuel)
33.91
NOx Approach (g/kg fuel)
14.66
NOx Idle (g/kg fuel)
4.15
NOx Unitary Average (g/kN)
65.2
NOx Unitary Characteristic (g/kN)
75.6
NOx Unitaryto Standard (% of limit)
71.2
NOx Unitaryto CAEP2 (% of limit)
89
NOx Unitaryto CAEP4 (% of limit)
103.2
NOx Unitaryto CAEP6 (% of limit)
116
NOx Unitaryto CAEP8 (% of limit)
134.2
NOx LTO (g)
19704
Smoke Take Off (SN)
4
Smoke Climb Out (SN)
2.6
Smoke Approach (SN)
0.7
Smoke Idle (SN)
0
Smoke Max (SN)
4
Smoke Characteristic (SN)
5.1
Smoke Characteristicto Regulatory (% of limit)
29.5
Fuel Flow Take Off (kg/s)
2.836
Fuel Flow Climbout (kg/s)
2.327
Fuel Flow Approach (kg/s)
0.798
Fuel Flow Idle (kg/s)
0.221
Fuel LTO (kg)
963
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
8754
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 c)