Friction measurement results obtained on the gypsum surface runways at Northrup Strip, White Sands Missile Range, N. M., using an instrumented tire test vehicle and a diagonal braked vehicle, are presented. These runways were prepared to serve as backup landing and retrieval sites to the primary sites located at Dryden Flight Research Center for shuttle orbiter during initial test flights. Similar friction data obtained on paved and other unpaved surfaces was shown for comparison and to indicate that the friction capability measured on the dry gypsum surface runways is sufficient for operations with the shuttle orbiter and the Boeing 747 aircraft. Based on these ground vehicle friction measurements, estimates of shuttle orbiter and aircraft tire friction performance are presented and discussed. General observations concerning the gypsum surface characteristics are also included and several recommendations are made for improving and maintaining adequate surface friction capabilities prior to the first shuttle orbiter landing.


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    Titel :

    Friction Evaluation of Unpaved, Gypsum-Surface Runways at Northrup Strip, White Sands Missile Range, in Support of Space Shuttle Orbiter Landing and Retrieval Operations


    Beteiligte:
    T. J. Yager (Autor:in) / W. B. Horne (Autor:in)

    Erscheinungsdatum :

    1980


    Format / Umfang :

    77 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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