This program was an investigation of the criteria relating to helicopter landing gears. A computerized literature search was conducted and a bibliography is included in this report. Existing criteria were reviewed and conflicts were identified. An analysis of survivable Army helicopter accidents was performed. The results were used to formulate a tentative criterion. A design study was conducted to evaluate the practicality of the tentative criteria. This investigation compared wheel and skid-type landing gears designed to the tentative criteria and to MIL-S-8698. A crashworthiness analysis of the tentative criteria tailwheel tricycle gear was performed. Weights and landing loads were calculated. A cost comparison was made between tailwheel tricycle gears designed to the two criteria. The gear designed to the new critiera was cost-effective. The results of the investigation were used to modify the tentative criteria and recommendations were made for a new helicopter landing gear military specification and for changes to the existing critiera. (Stoehr)


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    Title :

    Helicopter landing gear design and test criteria investigation


    Additional title:

    Untersuchung ueber Entwurfsprinzipien und Pruefverfahren fuer Hubschrauber-Landegestelle


    Contributors:
    Crist, D. (author) / Symes, L.H. (author)

    Published in:

    Publication date :

    1981


    Size :

    192 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English