SPECTROMETRIC OIL ANALYSIS FOR THE DETECTION OF INCIPIENT TURBOJET ENGINE FAILURES.
Final rept. Jul 63-Oct 64,
SYSTEMS ENGINEERING GROUP WRIGHT- PATTERSON AFB OH
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The objective of Task 314705 was to investigate with particular reference to military turbojet engines the technical validity of the spectrometric oil analysis approach to the identification of abnormal engine wear and impending engine failure. Program procedure called for the routine extraction of engine oil samples from aircraft at various bases and the mailing of these samples to the NAS laboratory at Pensacola, Florida for analysis. Evaluation has been concentrated on a sixteen month period from July 1963 through October 1964 when the laboratory analyzed over 7000 oil samples and prescribed engine maintenance as thought necessary from analysis results. To assess validity of the spectrometric technique, findings of maintenance actions directed by the laboratory were monitored by SEG. The task has shown that a sound technical foundation exists for the spectrometric technique. Author