The B-1B secondary power subsystem is a derivative of the subsystem used in the B-1A aircraft. In the B-1B, the earlier design has been modified to add an onboard alternate cross-bleed start capability for the main propulsion engines. The normal start system also has been changed from a hydromechanical link between each APU and the two related engines to a combination of a hydromechanical link and a pneumatic link.During this redesign, the APU starting and the APU/ADG coupling limitations revealed during the original B-1A RDT&E program also were addressed.Development and preliminary qualification tests on the redesigned subystem throughout the required operating environment indicate that the revised configuration meets all design objectives.


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    Title :

    B-1B Secondary Power Subsystem


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Aerospace Congress and Exposition ; 1984



    Publication date :

    1984-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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