Engine Performance Monitoring

Engine Performance Monitoring

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Two manual inflight engine performance monitoring procedures for use on turboprop engines have been devised. The first method, which involves relatively complex data reduction, is applicable in its present form only to the Rolls-Royce Dart engine. The second method, requiring only simple arithmetic calculations, may be used on any multi-engined aircraft. The basic principles and operating procedures for both methods are described. Analysis of inflight engine performance data for the Dart has shown that even though consistent results in terms of performance trends can be produced, the computational equipment and procedures required to derive the appropriate trend graphs are excessive and are considered not to be warranted or cost effective at present. With the second method, an analysis of trial data obtained from the Hercules C130-T56 aircraft has shown that effective engine performance monitoring trend plots may be obtained for both torque and fuel flow deviations. The simple data reduction procedures involved allow the relevant analyses to be carried out in flight by a flight engineer or suitable qualified person, thus giving immediate engine trend information for use by aircrew and maintenance personnel on a day-to-day basis. (Author).Two manual inflight engine performance monitoring procedures for use on turboprop engines have been devised.


Title:Engine Performance Monitoring
Author: D. E. Glenny, AERONAUTICAL RESEARCH LABS MELBOURNE (Australia)
Publisher: - 1982
ISBN-13:

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