The Lycoming T53, (company designation LTC-1) is a

turboshaft A turboshaft engine is a form of gas turbine that is optimized to produce shaftpower rather than jet thrust. In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the exhaust ...

engine used on

helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...

s and (as a

turboprop A turboprop is a turbine engine that drives an aircraft propeller. A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine, and a propelling nozzle. Air enters the intake and is compressed by the compressor. Fuel ...

) fixed-wing

aircraft An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines ...

since the 1950s. It was designed at the Lycoming Turbine Engine Division in

Stratford, Connecticut Stratford is a town in Fairfield County, Connecticut, United States. It is situated on Long Island Sound at the mouth of the Housatonic River. Stratford is in the Bridgeport–Stamford–Norwalk Metropolitan Statistical Area. It was settled ...

, by a team headed by Anselm Franz, who was the chief designer of the

Junkers Jumo 004 The Junkers Jumo 004 was the world's first production turbojet engine in operational use, and the first successful axial compressor turbojet engine. Some 8,000 units were manufactured by Junkers in Germany late in World War II, powering the Mess ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. A much larger engine, similar in overall design, became the

Lycoming T55 The Honeywell T55 (formerly Lycoming; company designation LTC-4) is a turboshaft engine used on American helicopters and fixed-wing aircraft (in turboprop form) since the 1950s, and in unlimited hydroplanes since the 1980s. Today, there have b ...

produced by

Honeywell Aerospace Honeywell Aerospace is a manufacturer of aircraft engines and avionics, as well as a producer of auxiliary power units (APUs) and other aviation products. Headquartered in Phoenix, Arizona, it is a division of the Honeywell International conglome ...

. The T53 model is produced by Ozark Aeroworks LLC.

Variants

Military designations

;T53-L-1 : ;T53-L-1A : 770 hp (645 kW) ;T53-L-1B : 860 hp (645 kW) ;T53-L-3 : ;T53-L-5 : 960 hp (720 kW) ;T53-L-7 : ;T53-L-11 : 1100 hp (820 kW) ;T53-L-13 : ;T53-L-13B : 1400 shp (1044 kW) improved L-11 ;T53-L-701 : 1,400 hp (1044 kW) Turboprop variant used on Mohawk and AIDC T-CH-1 ;T53-L-703 : 1,800 hp (1343 kW) improved durability variant of the L-13B

Civil designations

;T5307A :commercial L-7 ;T5309A :commercial L-9A ;T5309B :commercial L-9B ;T5309C :similar to T5309A but with L-11 combustion chamber ;T5311A :1100 shp (820 kW) ;T5313A :1400 shp (1044 kW) commercial variant of the L-13 ;T5313B :1400 shp (1044 kW) commercial variant of the L-13 ;T5317A :1500 shp (1119 kW) improved variant of the L-13 ;LTC1B-1 ;LTC1B-2 :company designation for L-1A ;LTC1F-1 :company designation for L-3 ;LTC1F-2 :company designation for L-7 ;LTC1K-1 :company designation for L-5 ;LTC1K-2 :company designation for L-9 ;LTC1K-2A :company designation for L-9A ;LTC1K-2B :company designation for L-9B ;LTC1K-4 :company designation for L-13 ;LTC1K-4A :for tilt-wing / tilt-rotor aircraft (

Canadair CL-84 Dynavert The Canadair CL-84 "Dynavert", designated by the Canadian Forces as the CX-131, was a V/STOL turbine tiltwing monoplane designed and manufactured by Canadair between 1964 and 1972. Only four of these experimental aircraft were built with three ...

) ;LTC1K-4K :1550 shp (1156 kW) direct drive variant of the L-13B ;LTC1K-5 :company designation for L-11 ;Kawasaki KT5311A: Kawasaki production for Fuji-Bell 204B helicopters

Applications

AIDC T-CH-1 The AIDC T-CH-1 ''Chung Hsing'' () was a turboprop-powered military trainer aircraft produced in Taiwan (Republic of China). Development Derived from the North American T-28 Trojan trainer, the first T-CH-1 prototype flew on 23 November 1973. A ...

(T53-L-701) *

AIDC XC-2 The AIDC XC-2 was a prototype civil transport aircraft first flown in 1978 in Taiwan (Republic of China). It was a high-wing monoplane powered by two turboprop engines. The main undercarriage was carried in sponsons on either side of the boxy fu ...

* Bell 204B (T5311A) * Bell 205A (T5313B) * Bell 205A-1 (T5313B and T5317A) *

Bell AH-1 Cobra The Bell AH-1 Cobra is a single-engined attack helicopter developed and manufactured by the American rotorcraft manufacturer Bell Helicopter. A member of the prolific Huey family, the AH-1 is also referred to as the HueyCobra or Snake. The A ...

(T53-L-703) *

Bell UH-1H Iroquois The Bell UH-1 Iroquois (nicknamed "Huey") is a utility military helicopter designed and produced by the American aerospace company Bell Helicopter. It is the first member of the prolific Huey family, as well as the first turbine-powered helico ...

(T53-L-703) *

Bell XV-15 The Bell XV-15 is an American tiltrotor VTOL aircraft. It was the second successful experimental tiltrotor aircraft and the first to demonstrate the concept's high speed performance relative to conventional helicopters. Development Early VTOL ...

(LTC1K-4K) *

Boeing Vertol VZ-2 The Vertol VZ-2 (or Model 76) was a research aircraft built in the United States in 1957 to investigate the tiltwing approach to vertical take-off and landing. Design and development The aircraft had a fuselage of tubular framework (originally ...

(YT53) *

Doak VZ-4 The Doak VZ-4 (or Doak Model 16) was an American prototype Vertical Takeoff and Landing (VTOL) aircraft built in the 1950s for service in the United States Army. Only a single prototype was built, and the U.S. Army withdrew it from active trials ...

F+W C-3605 The F+W C-3605, nicknamed ''Schlepp'' ("Tug") or "Alpine Anteater", was a target towing aircraft operated by the Swiss Air Force from 1971–1987. The aircraft was developed during the latter half of the 1960s by the Swiss Federal Construction W ...

* Grumman OV-1D Mohawk (T53-L-701) *

Kaman HH-43 Huskie The Kaman HH-43 Huskie is a helicopter with intermeshing rotors used by the United States Air Force, the United States Navy and the United States Marine Corps from the 1950s until the 1970s. It was primarily used for aircraft firefighting and re ...

Kaman K-1200 The Kaman K-MAX (company designation K-1200) is an American helicopter with intermeshing rotors (synchropter) by Kaman Aircraft. It is optimized for external cargo load operations, and is able to lift a payload of over , which is more than the ...

(T5317A) *

Kaman K-MAX The Kaman K-MAX (company designation K-1200) is an American helicopter with intermeshing rotors (synchropter) by Kaman Aircraft. It is optimized for external cargo load operations, and is able to lift a payload of over , which is more than the ...

Ryan VZ-3 Vertiplane The Ryan VZ-3 Vertiplane, also known by the company designation Ryan Model 92 was an American experimental vertical/short take-off (VSTOL) aircraft built by the Ryan Aeronautical Company for the United States Army. Design and development The V ...

DB Class 210 The Class 210 of the Deutsche Bundesbahn (DB) consisted, briefly, of a series of eight diesel locomotives, with a top speed of 160 km/h intended for operations on express trains. The locomotives were peculiar in that an additional gas turbi ...

, diesel railway locomotive

Specifications (T53-L-701)

References

External links

Honeywell T53 page

Ozark Aeroworks, LLC
{{aeroengine-specs 1950s turboprop engines T53 T53 1950s turboshaft engines