Development of a High Temperature Jet Engine Oil-Laboratory and Field Evaluation 851797

Since the early 1970's, the dominant trend in aircraft gas turbine engines has been increasing fuel efficiency. This has resulted in higher operating temperatures which, along with other engine design changes, place additional stress on the lubricant. This paper describes the laboratory evaluation of an oil developed to meet those more demanding conditions and presents field performance evidence in support of expectations based on laboratory tests.


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