FEASIBILITY STUDY OF FLOTATION OF SUNKEN VESSELS BY INJECTION OF FOAMED FLOTATION MATERIAL.
ATLANTIC RESEARCH CORP ALEXANDRIA VA
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Continued laboratory experimentation under pressurized water and a test demonstration at the Experimental Diving Unit have resulted in the conclusion that technically and economically it is feasible to inject foamed flotation materials into sunken vessels to refloat them. A foamed salvage method is estimated to take less than one-tenth the time and cost less than one-half of a conventional salvage operation. Continued experimentation is necessary to fully develop the method and materials of foamed flotation. Author