The area of crash behavior analysis of aircraft structures is investigated. The investigation begins with the definition of two indices of crashworthiness of basic aircraft structures and the analysis of the influence of several general types of structural modifications upon these two indices. This analysis, using fundamental principles of mechanics, contains several simplifying assumptions, which are explained as they are introduced. Design concepts to improve the ability of the 'protective container' to maintain living space for occupants during a crash or to attenuate the accelerations experienced by occupants during a crash are developed for crash conditions which are either primarily longitudinal in nature or primarily vertical in nature. Analytical methods are then provided to show how and when to apply these design concepts to any particular aircraft. The principles which are presented are suitable for use during design of new aircraft as well as modification of existing aircraft. The results are presented from three full-scale crash tests of small twin-engine airplanes which were conducted as a part of this investigation. (Author)


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    Titel :

    Principles for Improving Structural Crashworthiness for STOL and Ctol Aircraft


    Beteiligte:
    W. H. Reed (Autor:in) / J. P. Avery (Autor:in)

    Erscheinungsdatum :

    1966


    Format / Umfang :

    2 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch