A summary of the spacecraft descriptions; the probe bus, large probe, small probe, and orbiter is presented. The highlights on the designs of the Atlas/Centaur spacecraft as compared to the corresponding Thor/Delta spacecraft designs are contained. A comparison is made of the two Atlas/Centaur spacecraft for reference. The major differences are the replacement of the probes of the forward end of the probe bus with the mechanically despun antenna of the orbiter and the replacement of the bicone antenna on the aft end with the orbit insertion motor. The cross sections of the large and small probes are compared. The major features of each probe are described. The Thor/Delta and Atlas/Centaur designs for the probe bus and orbiter are analyzed. The usable spacecraft mass for the Atlas/Centaur is roughly twice that for the Thor/Delta if the Type I trajectory is assumed. It is somewhat less for the Type II trajectory in the designated launch years. This additional mass capability leads to cost savings in many areas which are described. (Author)


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    Titel :

    System Design of the Pioneer Venus Spacecraft. Volume 11: Launch Vehicle Utilization


    Beteiligte:
    R. J. Varga (Autor:in)

    Erscheinungsdatum :

    1973


    Format / Umfang :

    229 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch