The marginal terrain assault bridge with APC launcher was subjected to various engineering tests as well as endurance operations. Under most conditions, the test vehicle was able to meet the performance requirements of specification MIL-C-46782A(MO) for the standard M113A1 vehicle. However, while swimming, the vehicle has excessive list and trim forward and to the right which adversely affect vehicle turning ability. The vehicle was operated for 1051 miles on various test terrain and for 441 launces with 15 vehicle crossings per launch. Various weld failures occurred in the braces and beams for the bridge because of insufficient strength. In addition failures of the rotating beam to hinge pin bolts resulted in other failures. Redesigned components were installed after 320 launchers; however, the limited operation thereafter provided insufficient testing as to the suitability of these components. It was concluded that certain operating conditions, such as swimming and bridge launching present operational hazards that can be detrimental to the vehicle and its operating personnel. Also, that the assault bridge failed to meet the PSDR requirements for maintainability and reliability. (Author)


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    Titel :

    Initial Production Test of Marginal-Terrain Assault Bridge with APC Launcher


    Beteiligte:
    H. W. Byers (Autor:in) / E. C. Kotras (Autor:in)

    Erscheinungsdatum :

    1969


    Format / Umfang :

    152 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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