Honeywell LF 507

LF 507
Honeywell LF 507s on an Avro RJ85
Type	Geared turbofan
National origin	United States
Manufacturer	Lycoming Engines Honeywell Aerospace
Major applications	Avro RJ
Developed from	Lycoming ALF 502

The Honeywell LF 507 is a geared turbofan engine produced by Lycoming, AlliedSignal and then Honeywell Aerospace. The earlier ALF 502 was certified in 1980. The improved, higher-thrust LF 507 was used on the Avro RJ update of the British Aerospace BAe 146.

Applications

• Avro RJ

Specifications (LF 507-1H)

Data from ^[1][2]

General characteristics

• Type: High bypass geared turbofan
• Length: 65.5 in (166 cm)
• Diameter: Fan: 40.25 in (102 cm)
• Dry weight: 1385 lb (628 kg)

Components

• Compressor: Single stage fan, 2 stage axial low pressure compressor, 7 stage axial and single stage centrifugal high pressure compressor
• Combustors: Annular
• Turbine: Two stage high pressure turbine, two stage low pressure turbine

Performance

• Maximum thrust: 7,000 lb_f (31 kN)
• Overall pressure ratio: 13.8:1
• Bypass ratio: 5.3:1
• Specific fuel consumption: 0.406 lb/lb_f-h (41.4 kg/kN-hr)
• Thrust-to-weight ratio: 5.1:1

See also

• Geared turbofan

Related development

• Lycoming ALF 502

Comparable engines

• Garrett TFE731
• Pratt & Whitney PW1000G
• Turbomeca Aspin/Astafan
• IAE SuperFan
• Rolls-Royce/SNECMA M45SD

Related lists

• List of aircraft engines

References

Notes

1. Leyes and Fleming, pg. 844
2. Gas Turbine Engines. Aviation Week & Space Technology 2009 Source Book. pg. 119.

Bibliography

• Leyes, Richard A., II; William A. Fleming (1999). The History of North American Small Gas Turbine Aircraft Engines. Reston, VA: American Institute of Aeronautics and Astronautics. ISBN 1-56347-332-1.

External links

• Honeywell LF 507 page