Lycoming LTS101

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	Air Tractor AT-302 Bell 222 HH-65 Dolphin

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.

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 (LST101-650C-3/3A)

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-hr
Power-to-weight ratio: 2.8:1 hp/lb

References

↑ Honeywell LTS101
↑ Gas Turbine Engines. Aviation Week & Space Technology Source Book 2009. p. 119

Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 96.

External links

Wikimedia Commons has media related to Honeywell LTS101.

Honeywell LTS101 page

Lycoming aircraft engines

Opposed piston engines	O-145 O-233 IO-233 O-235 O-290 O-320 O-340 O-360 (O-360 variants) IO-390 O-435 O-480 O-540 TIO-541 GSO-580 IO-580 IO-720 O-1230

Radial engines and H engines	R-680 R-7755 H-2470

Turbofans	PLF1 ALF 502/YF102 LF 507

Turboprops/Turboshafts	AGT1500 LTS101/LTP101 T53 T55

Aero-derivative marine gas turbines	TF-40

Joint development	Avco (Lycoming)/Pratt & Whitney: T800-APW (Turboshaft)

See also	AlliedSignal Aerospace/Honeywell Aerospace

Garrett/AlliedSignal/Honeywell aircraft engines

Turboprops/Turboshafts

Turbofans

Joint development

CFE Company:	CFE738 (Turbofan)

General Electric/Honeywell:	LV100 (Turboshaft)

International Turbine Engine Corporation:	F124/TFE1042 F125 (Turbofans)

LHTEC:	CTS800 (Turboshaft)

Note: AVCO Lycoming/Textron Lycoming engines marked with *

United States military gas turbine aircraft engine designation system

Turbojets	J30 J31 J32 J33 J34 J35 J36 J37 XJ38 J39 J40 XJ41 J42 J43 J44 J45 J46 J47 J48 XJ49 J51 J52 J53 J54 J55 J56 J57 J58 J59 J60 J61 J63 J65 J67 J69 J71 J73 J75 J79 J81 J83 J85 J87 J89 J91 YJ93 J95 J97 J99 J100 YJ101 J102 J400 J401 J402 J403 J700

Turboprops/ Turboshafts	T30 T31 T33 T34 T35 T36 T37 T38 T39 T40 T41 T42 T43 T44 T45 T46 T47 T48 T49 T50 T51 T52 T53 T54 T55 T56 T57 T58 T60 T61 T62 T63 T64 T65 T66 T67 T68 T69 T70 T71 T72 T73 T74 T76 T78 T80 T100 T101 T400 T405 T406 T407 T408 T700 T701 T702 T703 T706 T708 T800

Turbofans	TF30 TF31 TF32 TF33 TF34 TF35 TF37 TF39 TF41 F100 F101 F102 F103 F104 F105 F106 F107 F108 F109 F110 F112 F113 F117 F118 F119 YF120 F121 F122 F124 F125 F126 F127 F128 F129 F135 F136 F137 F138 F400 F401 F402 F404 F405 F408 F412 F414 F415

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