This paper presents an overview of three deployable-truss designs that were considered for use on Space Station Freedom to deploy the solar array wings. The first design chosen early in the program was a nut-deployed coilable longeron mast which has the advantage of being lightweight and reliable, with considerable flight history. Subsequently, because of the restructure of Space Station, a second design was chosen: a lanyard-deployed FASTMast (Folding Articulated Square Truss Mast), which has improved strength and redundancy characteristics for a given stowed volume. After further definition of the load requirements during deployment, however, it became necessary to modify the deployment system, resulting in the third mast design for space station solar arrays: a nut-deployed FASTMast, which was ultimately selected to provide increased stiffness and strength during deployment. This paper presents a brief review of these mast designs and their associated deployment systems, emphasizing the trade-offs involved in selecting between them. In addition, some innovative features of the FASTMast design as it stands currently for Space Station are described, and a brief review of the test program that is underway to qualify this design for flight is included.


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    Titel :

    Design of deployable-truss masts for Space Station


    Beteiligte:
    Bowden, Mary (Autor:in) / Benton, Max (Autor:in)

    Kongress:

    AIAA, AHS, and ASEE, Aerospace Design Conference ; 1993 ; Irvine, CA, United States


    Erscheinungsdatum :

    01.02.1993


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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