Glass Reinforced Plastics for Submersible Pressure Hulls 630212

The results to date of a structural research program at the David Taylor Model Basin to investigate lightweight, glass reinforced plastic laminates or composite material for deep-submergence vehicles are summarized. Strength-weight curves for unstiffened and ring stiffened cylinders of glass reinforced plastics (GRP) are compared with those for cylinders of the better known metals. On the basis of this comparison, considerable weight saving in hull structure can be realized with glass reinforced plastics. The results of short-term, hydrostatic tests substantiate the high predicted strength-weight ratios that can be realized for cylindrical pressure hulls made of glass filament reinforced plastics.Plans are underway for future structural research to be conducted at the Model Basin to study more extensively the use of GRP materials for pressure hulls of deep-diving vehicles.


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