Tests of the Viking 16.15-meter nominal-diameter disk-gap-band parachute were conducted at Mach number and dynamic pressure conditions which bracketed the range postulated for the Viking '75 mission to Mars. Parachutes were deployed at supersonic, transonic, and subsonic speeds behind a simulated Viking entry capsule. All parachutes successfully deployed, inflated, and exhibited sufficient drag and stability for mission requirements. Basic parachute data including loads, drag coefficients, pull-off angles, and canopy area ratios are presented. Trajectory reconstruction and onboard camera data methods were combined to yield continuous histories of both parachute and test-vehicle angular motions which are presented for the period from parachute deployment through steady inflation.


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    Titel :

    Flight tests of Viking parachute system in three Mach number regimes. 2: Parachute test results


    Beteiligte:
    Bendura, R. J. (Autor:in) / Lundstrom, R. R. (Autor:in) / Renfroe, P. G. (Autor:in) / Lecroy, S. R. (Autor:in)

    Erscheinungsdatum :

    1974-11-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch