The key to the success of the NASA Space Transportation Main Engine (STME) is its enhanced reliability and reduced costs, rather than enhanced performance and reduced weight. Reliability and cost improvements derive from the design of an engine with fewer components, wider operating margins, conventional materials, and innovative manufacturing techniques; this is exemplified by the STME's combustion chamber, in which the structural jacket and all minifolds are cast as a single piece. 'Platelet' technology is under active consideration as a basis for the nozzle design. The use of hydrostatic bearings in both the turbine and pump ends of the STME turbopump will eliminate bearing-life limitations.


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    Title :

    STME - Streamlining the engine of change


    Contributors:

    Published in:

    Aerospace America ; 30 , 7, Ju


    Publication date :

    1992-07-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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