Nearly four decades into the space age, our biggest problem is still the high cost of transportation to space. Close behind are the relatively infrequent flight opportunities and high risk of the transportation systems we have. These problems are of course not independent; rather, they are interrelated measures of the difficulty of accelerating a payload through an ideal velocity increment of over 9 km/s and a height of 200 km or more in just a few minutes. These difficulties are not unrecognized, and the demand for newer, cheaper, more reliable, more frequently flying launch systems has been unending. Hundreds, maybe thousands of studies have been done on various approaches offering improved access to space, and each approach has its ardent supporters, convinced that no other approach can work as well. In the government, hardly a year passes without the attempted initiation of a new program to lower the cost and improve the reliability of space transportation. This paper does not attempt to decide the merits and demerits of various transportation concepts but examines the cost of access to space from a slightly different perspective, and attempts to use that perspective to reach some conclusions about characteristics that a next-generation system must have to yield lower cost, regardless of its design.


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    Titel :

    The cost of access to space


    Beteiligte:


    Erscheinungsdatum :

    1994-03-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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