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    Impact Performance of Ht-1 and Nylon Webbings to Mach 0.7

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    It is generally agreed that in the past there has been insufficient effort devoted to the study of the dynamic loading response of materials. Today's technology, built around supersonic speed aircraft, missile systems, and space vehicles, makes imperative greater activity on the impact behavior of all structural materials, including textiles. Evidence of this need is shown in several reports indicating that rupture or failure of parachute suspension lines occurred during high-speed tests of first-stage recovery parachute systems. The recorded data revealed that failure of the suspension lines occurred, although the total load was less than 50 per cent of the total rated strength of the lines. Problems similar to the above have steadily increased in number and complexity. Requirements for recovery of missiles involve supersonic speeds, extremely high altitudes, and weights up to 5 tons.

    Author Information:

    Coskren, Robert J.
    Fabric Research Laboratories Inc., Dedham, Mass.

    Chu, Chauncey C.
    Fabric Research Laboratories Inc., Dedham, Mass.

    Morgan, Henry M.
    KLH Research and Development Corp., Cambridge, Mass.

    Committee/Subcommittee: D20.10

    DOI: 10.1520/STP42025S