JT8D-17A

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
71.17 kN
Bypass Ratio
1.05
Overall Pressure Ratio
16.87
Fuel Flow Take Off
1.173 kg/s
NOx Unitaryto CAEP8
156.9 % 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 1.05 Overall Pressure Ratio 16.87 Afterburner No

Pictures

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
JT8D-17 Pratt & Whitney 71.17 1.02 17.01 Compare
JT8D-15 Pratt & Whitney 68.94 1.03 16.81 Compare
JT8D-15A Pratt & Whitney 68.94 1.08 16.45 Compare
Volvo RM8 Svenska 72.2 0.97 Compare
JT8D-11 Pratt & Whitney 66.72 1 17.17 Compare
JT8D-9 series Pratt & Whitney 64.5 1.04 15.88 Compare
All data (51 fields)
Name
JT8D-17A
EASA ID
1PW014
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
No
Afterburner
No
Streams
2
Bypass Ratio
1.05
Overall Pressure Ratio
16.87
Maximum Takeoff Thrust (kN)
71.17
Hydrocarbon Take Off (g/kg fuel)
0.25
Hydrocarbon Climb Out (g/kg fuel)
0.3
Hydrocarbon Approach (g/kg fuel)
0.64
Hydrocarbon Idle (g/kg fuel)
6.6
Hydrocarbon Unitary Average (g/kN)
6.6
Hydrocarbon Unitary Characteristic (g/kN)
8.6
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
43.8
Hydrocarbon LTO (g)
1543
Carbon Monoxide Take Off (g/kg fuel)
1.07
Carbon Monoxide Climb Out (g/kg fuel)
1.16
Carbon Monoxide Approach (g/kg fuel)
2.88
Carbon Monoxide Idle (g/kg fuel)
12.46
Carbon Monoxide Unitary Average (g/kN)
43.8
Carbon Monoxide Unitary Characteristic (g/kN)
47.4
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
40.1
NOx Take Off (g/kg fuel)
19.1
NOx Climb Out (g/kg fuel)
14.3
NOx Approach (g/kg fuel)
6.7
NOx Idle (g/kg fuel)
3.2
NOx Unitary Average (g/kN)
55.1
NOx Unitary Characteristic (g/kN)
60.6
NOx Unitaryto Standard (% of limit)
82.2
NOx Unitaryto CAEP2 (% of limit)
102.7
NOx Unitaryto CAEP4 (% of limit)
121.7
NOx Unitaryto CAEP6 (% of limit)
132.4
NOx Unitaryto CAEP8 (% of limit)
156.9
NOx LTO (g)
3935
Smoke Take Off (SN)
16.8
Smoke Max (SN)
16.8
Smoke Characteristic (SN)
18.5
Smoke Characteristicto Regulatory (% of limit)
71.1
Fuel Flow Take Off (kg/s)
1.173
Fuel Flow Climbout (kg/s)
0.9344
Fuel Flow Approach (kg/s)
0.3304
Fuel Flow Idle (kg/s)
0.1401
Fuel LTO (kg)
470
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
3147
Emissions Data Status
C
Engine Status
Out of production