The Liquid Fly-Back Booster (LFBB) Program seeks to enhance the Space Shuttle system safety, performance and economy of operations through the use of an advanced, liquid propellant Booster Main Engine (BME). There are several viable BME candidates that could be suitable for this application. The objective of this study was to identify the key Criteria to be applied in selecting among these BME candidates. This study involved an assessment of influences on the overall LFBB utility due to variations in the candidate rocket-engines characteristics. This includes BME impacts on vehicle system weight, performance, design approaches, abort modes, margins of safety, engine-out operations, and maintenance and support concepts. Systems engineering analyses and trade studies were performed to identify the LFBB system level sensitivities to a wide variety of BME related parameters. This presentation summarizes these trade studies and the resulting findings of the LFBB design teams regarding the BME characteristics that most significantly affect the LFBB system. The resulting BME choice should offer the best combination of reliability, performance, reusability, robustness, cost, and risk for the LFBB program.


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    Title :

    Booster Main Engine Selection Criteria for the Liquid Fly-Back Booster



    Conference:

    1998 JANNAF Propulsion Meeting ; 1998 ; Cleveland, OH, United States


    Publication date :

    1998-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Booster Main Engine Selection Criteria for the Liquid Fly-Back Booster

    R. M. Ryan / W. J. Rothschild / D. L. Christensen | NTIS | 1998


    Booster Main Engine Selection Criteria for the Liquid Fly-Back Booster

    Ryan, Richard M. / Rothschild, William J. / Christensen, David L. | NTRS | 1998



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