PW4077D

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
343 kN
Bypass Ratio
6.6
Overall Pressure Ratio
32.83
Fuel Flow Take Off
3.082 kg/s
NOx Unitaryto CAEP8
130.5 % 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 —
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 6.6 Overall Pressure Ratio 32.83 Afterburner No

Pictures

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW4077 Pratt & Whitney 343 6.7 33.2 Compare
PW4074D Pratt & Whitney 344.5 6.7 32.3 Compare
PW4077D Pratt & Whitney 355.7 6.6 33.3 Compare
PW4074 Pratt & Whitney 333.2 6.8 32.2 Compare
Trent 875 Rolls-Royce 351.85 6.08 35.42 Compare
Trent 972-84 Rolls-Royce 345.9 7.5 38.64 Compare
All data (55 fields)
Name
PW4077D
EASA ID
3PW064
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Afterburner
No
Streams
2
Bypass Ratio
6.6
Overall Pressure Ratio
32.83
Maximum Takeoff Thrust (kN)
343
Hydrocarbon Take Off (g/kg fuel)
0.03
Hydrocarbon Climb Out (g/kg fuel)
0.04
Hydrocarbon Approach (g/kg fuel)
0.07
Hydrocarbon Idle (g/kg fuel)
4.66
Hydrocarbon Unitary Average (g/kN)
5.26
Hydrocarbon Unitary Characteristic (g/kN)
8.1
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
41.3
Hydrocarbon LTO (g)
1805
Carbon Monoxide Take Off (g/kg fuel)
0.22
Carbon Monoxide Climb Out (g/kg fuel)
0.25
Carbon Monoxide Approach (g/kg fuel)
0.6
Carbon Monoxide Idle (g/kg fuel)
32.62
Carbon Monoxide Unitary Average (g/kN)
36.83
Carbon Monoxide Unitary Characteristic (g/kN)
45.2
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
38.3
NOx Take Off (g/kg fuel)
44.74
NOx Climb Out (g/kg fuel)
35.82
NOx Approach (g/kg fuel)
12.1
NOx Idle (g/kg fuel)
3.83
NOx Unitary Average (g/kN)
62.76
NOx Unitary Characteristic (g/kN)
72.8
NOx Unitaryto Standard (% of limit)
68.9
NOx Unitaryto CAEP2 (% of limit)
86.1
NOx Unitaryto CAEP4 (% of limit)
100.2
NOx Unitaryto CAEP6 (% of limit)
112.7
NOx Unitaryto CAEP8 (% of limit)
130.5
NOx LTO (g)
21528
Smoke Take Off (SN)
3.8
Smoke Climb Out (SN)
2.9
Smoke Approach (SN)
0.9
Smoke Idle (SN)
0
Smoke Max (SN)
3.76
Smoke Characteristic (SN)
4.8
Smoke Characteristicto Regulatory (% of limit)
28.4
Fuel Flow Take Off (kg/s)
3.082
Fuel Flow Climbout (kg/s)
2.507
Fuel Flow Approach (kg/s)
0.835
Fuel Flow Idle (kg/s)
0.244
Fuel LTO (kg)
1041
Carbon Monoxide LTO (g)
12648
Emissions Data Status
C
Emissions Data Superseded
Yes
Emissions Superseded By
10PW097
Engine Status
Out of production