PW308C

Turbofan · Pratt & Whitney Canada
Reaction Turbines
Maximum Takeoff Thrust
31.15 kN
Bypass Ratio
4.1
Overall Pressure Ratio
20.7
Fuel Flow Take Off
0.3669 kg/s
NOx Unitaryto CAEP8
80.1 % 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 Annular
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 4.1 Overall Pressure Ratio 20.7 Afterburner No

Pictures

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW308C Build Spec 1289 Pratt & Whitney Canada 31.15 4.1 21.07 Compare
PW308C BS 1047 Pratt & Whitney Canada 31.15 4.1 20.7 Compare
PW308C BS 1289 Pratt & Whitney Canada 31.15 4.1 21.07 Compare
PW308A Pratt & Whitney Canada 30.71 4.1 20.4 Compare
HTF7500E (AS907-3-1E-A2) Honeywell 31.61 4.2 22.3 Compare
AS907-3-1E-A2 (HTF7500E) Honeywell 31.61 4.2 22.3 Compare
All data (62 fields)
Name
PW308C
EASA ID
7PW080
Aircraft Engine Manufacturer
Pratt & Whitney Canada
Aircraft Engine Type
Turbofan
Fuel
Jet A-1
Geared Fan
No
Combustion Chamber
Annular
Afterburner
No
Streams
2
Bypass Ratio
4.1
Overall Pressure Ratio
20.7
Maximum Takeoff Thrust (kN)
31.15
Hydrocarbon Take Off (g/kg fuel)
0.09
Hydrocarbon Climb Out (g/kg fuel)
0.1
Hydrocarbon Approach (g/kg fuel)
0.14
Hydrocarbon Idle (g/kg fuel)
5.94
Hydrocarbon Unitary Average (g/kN)
13.63
Hydrocarbon Unitary Range (g/kN)
12.5-15.2
Hydrocarbon Unitary Characteristic (g/kN)
15.9
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
81.1
Hydrocarbon LTO (g)
425
Carbon Monoxide Take Off (g/kg fuel)
0.81
Carbon Monoxide Climb Out (g/kg fuel)
0.97
Carbon Monoxide Approach (g/kg fuel)
5.23
Carbon Monoxide Idle (g/kg fuel)
42.3
Carbon Monoxide Unitary Average (g/kN)
101.54
Carbon Monoxide Unitary Range (g/kN)
99-105.9
Carbon Monoxide Unitary Characteristic (g/kN)
109.8
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
93.1
NOx Take Off (g/kg fuel)
18.45
NOx Climb Out (g/kg fuel)
15.99
NOx Approach (g/kg fuel)
7.83
NOx Idle (g/kg fuel)
3.63
NOx Unitary Average (g/kN)
45.38
NOx Unitary Range (g/kN)
45-45.92
NOx Unitary Characteristic (g/kN)
48.1
NOx Unitaryto Standard (% of limit)
59.1
NOx Unitaryto CAEP2 (% of limit)
73.9
NOx Unitaryto CAEP4 (% of limit)
74.9
NOx Unitaryto CAEP6 (% of limit)
75.5
NOx Unitaryto CAEP8 (% of limit)
80.1
NOx LTO (g)
1414
Smoke Take Off (SN)
4.8
Smoke Climb Out (SN)
3.9
Smoke Approach (SN)
1.4
Smoke Idle (SN)
1.3
Smoke Max (SN)
7.6
Smoke Range (SN)
5.3-9.4
Smoke Characteristic (SN)
8.3
Smoke Characteristicto Regulatory (% of limit)
25.5
Fuel Flow Take Off (kg/s)
0.3669
Fuel Flow Climbout (kg/s)
0.3047
Fuel Flow Approach (kg/s)
0.1237
Fuel Flow Idle (kg/s)
0.0448
Fuel LTO (kg)
155
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
3163
Emissions Data Status
C
Emissions Data Superseded
Yes
Emissions Superseded By
01P07PW146
Engine Status
Out of production
NOx Compliance Demonstration
2.3.2 d)