Honeywell HTS900

The Honeywell HTS900 is an American turboshaft engine produced by Honeywell Aerospace. A growth version of the LTS101 which it is designed to replace,[1] the HTS900 is in the 1,000 shp (745 kW) class.

HTS900
Type Turboshaft
National origin United States
Manufacturer Honeywell Aerospace
Major applications Bell ARH-70 Arapaho
Kopter SH09
Developed from Lycoming LTS101

At the October 2018 NBAA convention, it was shown with two 200 kW (270 hp) electric generators for hybrid electric aircraft, and it can be developed up to 1 MW (1,300 hp), targeting a conversion efficiency of 98%.[2]

Applications

Specifications (HTS900)

Data from FAA TCDS[3]

General characteristics

  • Type: Free turbine turboshaft
  • Length: 36.3 in (920 mm)
  • Diameter: 25.5 in (650 mm)
  • Dry weight: 338 lb (153 kg)

Components

  • Compressor: two-stage centrifugal
  • Combustors: reverse-flow annular
  • Turbine: single-stage gas producer + single-stage power

Performance

  • Maximum power output: 820 hp (610 kW) (Takeoff, 6,317 rpm output, 47,870 rpm gas producer)
  • Power-to-weight ratio: 2.43 hp/lb (3.99 kW/kg)
  • Control system: FADEC: dual channel ECU + electromechanical backup
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See also

Related development

Related lists

References
  1. Bell 407 Upgraded With New HTS900
  2. Guy Norris (Oct 24, 2018). "Honeywell, Safran Unveil Hybrid-Electric And Electric Demo Hardware". Aviation Week & Space Technology.
  3. "Type Certificate data sheet No. E00013LA" (PDF). FAA. April 6, 2011.
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