PW4168A

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
302.5 kN
Bypass Ratio
5.1
Overall Pressure Ratio
31.84
Fuel Flow Take Off
2.884 kg/s
NOx Unitaryto CAEP8
99.1 % 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 Talon II
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 31.84 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW4168 Pratt & Whitney 302.5 5.1 31.84 Compare
PW4168A Pratt & Whitney 302.48 5.1 33.1 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 (55 fields)
Name
PW4168A
EASA ID
7PW082
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Combustion Chamber
Talon II
Afterburner
No
Streams
2
Bypass Ratio
5.1
Overall Pressure Ratio
31.84
Maximum Takeoff Thrust (kN)
302.5
Hydrocarbon Take Off (g/kg fuel)
0
Hydrocarbon Climb Out (g/kg fuel)
0
Hydrocarbon Approach (g/kg fuel)
0
Hydrocarbon Idle (g/kg fuel)
0.2
Hydrocarbon Unitary Average (g/kN)
0.3
Hydrocarbon Unitary Characteristic (g/kN)
0.5
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
2.3
Hydrocarbon LTO (g)
78
Carbon Monoxide Take Off (g/kg fuel)
0.1
Carbon Monoxide Climb Out (g/kg fuel)
0.2
Carbon Monoxide Approach (g/kg fuel)
2.4
Carbon Monoxide Idle (g/kg fuel)
15.9
Carbon Monoxide Unitary Average (g/kN)
22.3
Carbon Monoxide Unitary Characteristic (g/kN)
27.4
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
23.2
NOx Take Off (g/kg fuel)
26.9
NOx Climb Out (g/kg fuel)
20.2
NOx Approach (g/kg fuel)
12.1
NOx Idle (g/kg fuel)
5.2
NOx Unitary Average (g/kN)
46
NOx Unitary Characteristic (g/kN)
53.3
NOx Unitaryto Standard (% of limit)
51.4
NOx Unitaryto CAEP2 (% of limit)
64.3
NOx Unitaryto CAEP4 (% of limit)
75.4
NOx Unitaryto CAEP6 (% of limit)
85.1
NOx Unitaryto CAEP8 (% of limit)
99.1
NOx LTO (g)
13936
Smoke Take Off (SN)
12.5
Smoke Climb Out (SN)
11
Smoke Approach (SN)
0.6
Smoke Idle (SN)
0
Smoke Max (SN)
12.5
Smoke Characteristic (SN)
16.4
Smoke Characteristicto Regulatory (% of limit)
93.5
Fuel Flow Take Off (kg/s)
2.884
Fuel Flow Climbout (kg/s)
2.363
Fuel Flow Approach (kg/s)
0.809
Fuel Flow Idle (kg/s)
0.25
Fuel LTO (kg)
1017
Carbon Monoxide LTO (g)
6741
Emissions Data Status
C
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 e)