Standard overhaul procedures for U.S. Army helicopter engines require operational vibration acceptance testing after rebuild. Engines frequently experimence vibrations which exceed allowable overhaul work requirement limits. The re-work/retest cycle for these engines constitute a significant cost penalty to the overhaul center. Analytical and experimental analyses have indicated that multispeed, multiplane power turbine balancing may be more appropriate than existing low-speed balancing methods. To evaluate the applicability of high-speed balancing, the U.S. Army has undertaken a program to develop a prototype system for performing high-speed balancing on assembled power turbine rotors. This paper outlines the development of this balancing system. Particular emphasis is placed on the hardware required to apply the multispeed, multiplane balancing technology. (Wassmann)


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Computer assisted high-speed balancing of power turbines for helicopter gas turbine engines


    Additional title:

    Rechnergestuetztes Hochgeschwindigkeitsauswuchten von Kraftturbinen fuer Gasturbinenantriebe von Hubschraubern


    Contributors:
    Burgess, G.D. (author) / Walter, T.J. (author) / Peterson, M. (author)


    Publication date :

    1980


    Size :

    6 Seiten, 7 Bilder, 12 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Control and power supply system for helicopter turbine engines

    VIEILLARD SEBASTIEN | European Patent Office | 2017

    Free access


    Multifuel operation with helicopter gas turbine engines

    Saunders, J.A. | Engineering Index Backfile | 1961