Feasibility of using various lift engines to land manned entry vehicle is examined; survey of engines provided basis for estimating engine performance and size for 1970 to 1975 time period; range of expected environments appears to present no major problems and avoidance of hazardous emergencies seems possible; evaluation of landing performance with propulsive lift is presented together with analysis of low-level behavior through real-time simulator studies; use of propulsive lift provides landing flexibility approximating that of VTOL aircraft including limited decision reversal time, low-altitude ranging capability of several miles, and near-zero touchdown velocity.


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    Title :

    Propulsive-lift landing of manned entry vehicles


    Additional title:

    J Spacecraft Rockets


    Contributors:
    Nelson, W.J. (author) / Coward, K.S. (author)

    Published in:

    Publication date :

    1968


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :



    Propulsive-lift landing of manned entry vehicles.

    Coward, K. S. / Nelson, W. J. | NTRS | 1968


    Propulsive-lift landing aid for entry vehicles.

    Coward, K. S. / Nelson, W. J. | NTRS | 1968


    Propulsive-lift landing aid for entry vehicles

    COWARD, K. / NELSON, W. | AIAA | 1968