AlliedSignal LTS101 / LTP101 / T702 / Lycoming LTS101 / LTP101 / T702 / Honeywell LTS101 / LTP101 / T702

Lycoming LTS101-750C

First run in 1960, 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.

Applications:
Bell 222A, B and UT
Eurocopter AS350 AStar
HH-65A/B Dolphin
MBB/Kawasaki BK 117
Air Tractor AT-302
Piaggio P166
EcoJet concept car built under the direction of General Motors and Jay Leno

Variants:
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

Specifications:

LST101-650C-3/3A
Type: Turboshaft
Length: 31 in (78 cm)
Diameter: 23 in (58 cm)
Dry weight: 241 lb (109 kg)
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
Maximum power output: 675 shp (503 kW)
Overall pressure ratio: 8.4:1
Specific fuel consumption: 0.57 lb/lbf-hr
Power-to-weight ratio: 2.8:1 hp/lb

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