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  1. V

    Informal testing for "minimum gauge" composite skin: hangar rash, handling

    We've had frequent discussion about the suitability of various composite skin types, thicknesses, and core materials with regard to damage tolerance. There seems to be general agreement that 21 oz per square yard fiberglass over solid 70 PSI XPS foam has a good record on many of the Rutan...
    • Vigilant1
    • Thread
    • astm d7766 ball peen composite skin damage hangar rash impactor minimuum gauge
    • Replies: 18
    • Forum: Composites
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