File:Lycoming T53-L-13 (LTC1K-4).jpg

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In July 1952, Lycoming was awarded a contract by the Air Force Air Materiel Command to develop a free-turbine turboshaft engine designated LTC1 (military designation T53-L-1). The first production engine was delivered in 1959.

The T53's front-drive, concentric-shaft arrangement set a widely accepted U.S. design standard for turboshaft engines, and gave Lycoming its start in the aircraft gas turbine business. It was a key technology contributing to expansion of Army aviation's air-mobility during the Viet Nam War. Airframe applications were the Bell UH-1 Iroquois (Huey) and AH-1 HueyCobra helicopters and Grumman OV-1 Mohawk aircraft.

Development of the T53-L-13 (LTC1K-4) series began in 1959, and the engine first ran in 1960. Qualified in June 1966, the first production engine was delivered in August 1966. The L-13 series powered the Bell HU-1C/D/H Iroquois and the Bell AH-1G HueyCobra. This Lycoming LTC1K-4 (Air Force Model No. T53L1B) turboshaft engine powered a U.S. Air Force Kaman HH-43B helicopter.

http://collections.nasm.si.edu/code/emuseum.asp?profile=objects&newstyle=single&quicksearch=A19730230000

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Source Flickr
Author Cliff from Arlington, VA (Outside Washington DC), USA
Camera location38° 53′ 18.1″ N, 77° 01′ 11.68″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMap - Google Earthinfo

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Checked copyright icon.svg This image was originally posted to Flickr by cliff1066™ at https://www.flickr.com/photos/28567825@N03/3339421258. It was reviewed on by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

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current17:20, 22 March 2010Thumbnail for version as of 17:20, 22 March 20101,600 × 1,178 (544 KB)El Grafo (talk | contribs){{Information |Description=In July 1952, Lycoming was awarded a contract by the Air Force Air Materiel Command to develop a free-turbine turboshaft engine designated LTC1 (military designation T53-L-1). The first production engine was delivered in 1959.
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