The Space Shuttle Orbiter auxiliary power units (APUs) provide hydraulic power for the Orbiter vehicle control surfaces (rudder/speed brake, body flap, and elevon actuation systems), main engine gimbaling during ascent, landing gear deployment and steering and braking during landing. Operation occurs during launch/ascent, in-space exercise, reentry/descent, and landing/rollout. Operational effectiveness of the APU is predicated on reliable, failure-free operation during each flight, mission life (reusability) and serviceability between flights (turnaround). Along with the accumulating flight data base, the status and results of efforts to achieve these long-run objectives is presented.


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    Title :

    Space Shuttle Orbiter auxiliary power unit


    Contributors:
    Mckenna, R. (author) / Wicklund, L. (author) / Baughman, J. (author) / Weary, D. (author)

    Conference:

    Intersociety Conference on Environmental Systems ; 1982 ; San Diego, CA


    Publication date :

    1982-07-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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