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The Lycoming (now Honeywell) LTS101 is a turboshaft engine family ranging from 650 to 850 shaft horsepower, used in a number of popular helicopters,[1] 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.
| LTS101 / LTP101 | |
|---|---|
 | |
| LTS101-750C engine installation (left engine) in a Bell 222UT | |
| Type | Turboprop / turboshaft |
| National origin | United States |
| Manufacturer | Lycoming Engines Honeywell Aerospace |
| First run | 1960 |
| Major applications | Aérospatiale HH-65 Dolphin Air MBB/Kawasaki BK117 Bell 222 Eurocopter AS350 AStar |
 |
- 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
- LTS101-750A-1
- LTS101-750B-2
- LTS101-750C-1
- LTS101-850B-2
- T702
Data from [2]
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
Related development
Comparable engines
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