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INVESTIGATION OF STRUCTURAL PROBLEMS WITH FILA MENT WOUND DEEP SUBMERSIBLES.
THOMPSON (H I) FIBER GLASS CO GARDENA CALIF
Efforts continued to design, fabricate, and test small scale filament wound vessels capable of withstanding a collapse pressure of 13,333 psi 30,000 ft while incorporating closures, penetrations, and transverse cylindrical joints. In addition these vessels must be unaffected by cyclic loading 10,000 cycles at an operating pressure of 6667 psi 15,000 ft.. The attach ment of frames and the mounting and attachment of heavy machinery and equipment is also being investigated. Preliminary designs have been established for positive frame attachments and end closure cutouts. These models have been fabricated and tested. The cylinder-closure joint model has been tested. An end closure has beenbaabricated with S-994 glass fabric and tested. Results in all cases have proven quite promising. Correlation of theoretical and ex perimental data has remained good. Our fatigue testing unit is in operation. Author
Quarterly rept. no. 2, 17 Apr-16 Jul 63,