ALF 502L-2

Turbofan · Textron Lycoming
Reaction Turbines
Maximum Takeoff Thrust
33.4 kN
Bypass Ratio
5.1
Overall Pressure Ratio
13.15
Fuel Flow Take Off
0.3999 kg/s
NOx Unitaryto CAEP8
77.8 % of limit

Architecture

Fan Fan Stages — Fan Blades — Fan Technology — Fan Pressure Ratio —
Gearbox Geared Fan Yes 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 5.1 Overall Pressure Ratio 13.15 Afterburner No

Pictures

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
AE3007A Rolls-Royce 33.73 5.23 18.08 Compare
AE3007C2 Rolls-Royce 32.73 4.99 17.44 Compare
AE3007A1/3 Rolls-Royce 33.05 4.81 17.22 Compare
AE3007A1 series Rolls-Royce 33.73 4.76 17.81 Compare
AE3007A3 Rolls-Royce 33 4.72 17.2 Compare
AE3007C1 Rolls-Royce 31.5 5.1 16.6 Compare
All data (61 fields)
Name
ALF 502L-2
EASA ID
1TL001
Aircraft Engine Manufacturer
Textron Lycoming
Aircraft Engine Type
Turbofan
Geared Fan
Yes
Afterburner
No
Streams
2
Bypass Ratio
5.1
Overall Pressure Ratio
13.15
Maximum Takeoff Thrust (kN)
33.4
Hydrocarbon Take Off (g/kg fuel)
0.02
Hydrocarbon Climb Out (g/kg fuel)
0.023
Hydrocarbon Approach (g/kg fuel)
0.183
Hydrocarbon Idle (g/kg fuel)
6.65
Hydrocarbon Unitary Average (g/kN)
15.3
Hydrocarbon Unitary Sigma (g/kN)
2.59
Hydrocarbon Unitary Range (g/kN)
13.2-18.2
Hydrocarbon Unitary Characteristic (g/kN)
17.8
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
90.8
Hydrocarbon LTO (g)
501
Carbon Monoxide Take Off (g/kg fuel)
0.4
Carbon Monoxide Climb Out (g/kg fuel)
0.3
Carbon Monoxide Approach (g/kg fuel)
3.97
Carbon Monoxide Idle (g/kg fuel)
45.63
Carbon Monoxide Unitary Average (g/kN)
107.3
Carbon Monoxide Unitary SD (g/kN)
6.47
Carbon Monoxide Unitary Range (g/kN)
101.5-114.3
Carbon Monoxide Unitary Characteristic (g/kN)
116.1
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
98.4
NOx Take Off (g/kg fuel)
13.43
NOx Climb Out (g/kg fuel)
12.03
NOx Approach (g/kg fuel)
6.47
NOx Idle (g/kg fuel)
3.38
NOx Unitary Average (g/kN)
35.2
NOx Unitary SD (g/kN)
3.5
NOx Unitary Range (g/kN)
32.7-39.2
NOx Unitary Characteristic (g/kN)
37.2
NOx Unitaryto Standard (% of limit)
56.1
NOx Unitaryto CAEP2 (% of limit)
70.1
NOx Unitaryto CAEP4 (% of limit)
72
NOx Unitaryto CAEP6 (% of limit)
72.8
NOx Unitaryto CAEP8 (% of limit)
77.8
NOx LTO (g)
1173
Smoke Take Off (SN)
8.3
Smoke Climb Out (SN)
12.7
Smoke Approach (SN)
8.7
Smoke Idle (SN)
2.9
Smoke Max (SN)
11.4
Smoke Sigma (SN)
2.91
Smoke Range (SN)
8.1-13.5
Smoke Characteristic (SN)
12.5
Smoke Characteristicto Regulatory (% of limit)
39.1
Fuel Flow Take Off (kg/s)
0.3999
Fuel Flow Climbout (kg/s)
0.3236
Fuel Flow Approach (kg/s)
0.1172
Fuel Flow Idle (kg/s)
0.0477
Fuel LTO (kg)
162
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
3527
Emissions Data Status
C
Engine Status
Out of production