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General Electric J47
The General Electric J47 turbojet (GE company designation TG-190) was developed by General Electric in conjunction with Metropolitan Vickers of the UK, who had already developed a 9-stage axial-flow compressor engine and licensed the design to Allison in 1944 for the earlier J35 engine, and first flew in May 1948. The J47 was the first axial-flow turbojet approved for commercial use in the United States. It was used in many types of aircraft, and more than 30,000 were manufactured before production ceased in 1956. It saw continued service in the US military until 1978.
==Design and development==
Overhaul life for the J47 ranged from 15 hours (in 1948) to a theoretical 1,200 hours (625 achievable in practice) in 1956. For example, the J47-GE-23 was rated to run 225 hours between overhauls. As installed on the F-86F, it experienced one in-flight shutdown every 33,000 hours in 1955 and 1956.〔(1956 | 0590 | Flight Archive ). Flightglobal.com. Retrieved on 2013-08-16.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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