The feasibility of measuring JT9D propulsion system flight inertia loads on a 747 airplane is studied. Flight loads background is discussed including the current status of 747/JT9D loads knowledge. An instrumentation and test plan is formulated for an airline-owned in-service airplane and the Boeing-owned RA001 test airplane. Technical and cost comparisons are made between these two options. An overall technical feasibility evaluation is made and a cost summary presented. Conclusions and recommendations are presented in regard to using existing inertia loads data versus conducting a flight test to measure inertia loads.


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    Title :

    JT9D engine diagnostics. Task 2: Feasibility study of measuring in-service flight loads


    Contributors:
    Kafka, P. G. (author) / Skibo, M. A. (author) / White, J. L. (author)

    Publication date :

    1977-10-15


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English