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Lycoming LTS101

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Lycoming LTS101

The Lycoming (now Honeywell) LTS101 is a turboshaft engine family ranging from 650 to 850 shaft horsepower, used in a number of popular helicopters, and, as the LTP101 turboprop, light aircraft. Both models carry the US military designation T702. The engine was originally designed at the Lycoming Turbine Engine Division in Stratford, Connecticut, but is now produced by Honeywell Aerospace.

Contents

Applications

  • Bell 222A, B and UT
  • Eurocopter AS350 AStar
  • HH-65A/B Dolphin
  • MBB/Kawasaki BK 117
  • Air Tractor AT-302
  • Piaggio P166
  • Cessna 421C Golden Eagle (turbine conversion)
  • EcoJet concept car built under the direction of General Motors and Jay Leno

    • Variants

    LTP101-600
    LTP101-700
    LTS101-600A-2
    LTS101-600A-3
    LTS101-600A-3A
    LTS101-650B-1
    LTS101-650B-1A
    LTS101-650C-2
    LTS101-650C-3
    LTS101-650C-3A
    LTS101-700D-2
    LTS101-750B-1
    LTS101-750B-2
    LTS101-750C-1
    LTS101-850B-2
    T702

    Specifications (LTS101-650C-3/3A)

    Data from

    General characteristics

  • Type: Turboshaft
  • Length: 31 in (78 cm)
  • Diameter: 23 in (58 cm)
  • Dry weight: 241 lb (109 kg)

    • Components

  • Compressor: 1 stage low pressure axial compressor, 1 stage high pressure centrifugal compressor
  • Combustors: Annular
  • Turbine: 1 stage high pressure turbine, 1 stage low pressure turbine

    • Performance

  • Maximum power output: 675 shp (503 kW)
  • Overall pressure ratio: 8.4:1
  • Specific fuel consumption: 0.57 lb/(lbf h)
  • Power-to-weight ratio: 2.8:1 hp/lb

    • References

    Lycoming LTS101 Wikipedia
    (Text) CC BY-SA


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