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Lycoming T55

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Lycoming T55

T55
T55-GA-714A turboshaft engine on a CH-47 Chinook
Type Turboshaft
National origin United States
Manufacturer Lycoming Engines
Honeywell Aerospace
First run 1950s
Major applications CH-47 Chinook
Bell 309
Piper PA-48 Enforcer
Number built 4,200+
Developed from Lycoming T53
Developed into Lycoming/Vericor TF40

The Lycoming T55, (Company designation Lycoming LTC-4), is a turboshaft engine used on American helicopters and fixed-wing aircraft (in turboprop form), since the 1950s. It was designed at the Lycoming Turbine Engine Division in Stratford, Connecticut as a scaled-up version of the smaller Lycoming T53. Both engines are now produced by Honeywell Aerospace. The T55 also serves as the core of the Lycoming ALF 502 turbofan.

Variants

LTC4
LTC4A
LTC4B-8
LTC4B-12
T5508D
Commercial version of the LTC4-8D
AL5512
T55-L-7
T55-L-9
T55-L-11
T55-L-712
T55-L-714
T55-L-714A
T55-GA-714
T55-GA-715
variable vane control : under development.

Applications

Specifications (T55-L-714A)

General characteristics

  • Type: Turboshaft
  • Length: 1,196.3 mm (47.1 inches)
  • Diameter: 615.9 mm (24.3 inches)
  • Dry weight: 377kg (831 lbs)

Components

Performance

See also

Comparable engines
Related lists

References

  1. ^ "CH-47D Power Plants (714) (AQC/IPC/MOI/FEIC)". 
  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 132.  

External links

  • Honeywell T55 page
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