LF507-1F, -1H

Turbofan · Textron Lycoming

Reaction Turbines

Maximum Takeoff Thrust

31 kN

Bypass Ratio

5.1

Overall Pressure Ratio

Fuel Flow Take Off

0.3578 kg/s

NOx Unitaryto CAEP8

83.3 % 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	Afterburner No

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All data (53 fields)

Name: LF507-1F, -1H
EASA ID: 1TL004
Aircraft Engine Manufacturer: Textron Lycoming
Aircraft Engine Type: Turbofan
Geared Fan: Yes
Afterburner: No
Streams: 2
Bypass Ratio: 5.1
Overall Pressure Ratio: 13
Maximum Takeoff Thrust (kN): 31
Hydrocarbon Take Off (g/kg fuel): 0.01
Hydrocarbon Climb Out (g/kg fuel): 0.01
Hydrocarbon Approach (g/kg fuel): 0.12
Hydrocarbon Idle (g/kg fuel): 4.72
Hydrocarbon Unitary Average (g/kN): 10.8
Hydrocarbon Unitary Characteristic (g/kN): 16.7
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 85.2
Hydrocarbon LTO (g): 337
Carbon Monoxide Take Off (g/kg fuel): 0.2
Carbon Monoxide Climb Out (g/kg fuel): 0.3
Carbon Monoxide Approach (g/kg fuel): 4.43
Carbon Monoxide Idle (g/kg fuel): 37.83
Carbon Monoxide Unitary Average (g/kN): 90.1
Carbon Monoxide Unitary Characteristic (g/kN): 110.6
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 93.7
NOx Take Off (g/kg fuel): 14.52
NOx Climb Out (g/kg fuel): 12.02
NOx Approach (g/kg fuel): 6.39
NOx Idle (g/kg fuel): 3.28
NOx Unitary Average (g/kN): 34.9
NOx Unitary Characteristic (g/kN): 40.4
NOx Unitaryto Standard (% of limit): 61.2
NOx Unitaryto CAEP2 (% of limit): 76.5
NOx Unitaryto CAEP4 (% of limit): 77.8
NOx Unitaryto CAEP6 (% of limit): 78.3
NOx Unitaryto CAEP8 (% of limit): 83.3
NOx LTO (g): 1086
Smoke Take Off (SN): 10.3
Smoke Climb Out (SN): 10.2
Smoke Approach (SN): 6.9
Smoke Idle (SN): 6.8
Smoke Max (SN): 10.6
Smoke Characteristic (SN): 13.6
Smoke Characteristicto Regulatory (% of limit): 41.7
Fuel Flow Take Off (kg/s): 0.3578
Fuel Flow Climbout (kg/s): 0.2961
Fuel Flow Approach (kg/s): 0.1083
Fuel Flow Idle (kg/s): 0.0453
Fuel LTO (kg): 151
Fuel Venting Compliant: No
Carbon Monoxide LTO (g): 2803
Emissions Data Status: C
Engine Status: Out of production