DESIGN AND DEVELOPMENT OF THE 190-TON STABLE SEMISUBMERGED PLATFORM (SSP)

The general characteristics, design features, predicted performance, and construction highlights of the 190-ton Stable Semisubmerged Platform (SSP) are presented. The SSP is the first large manned version waterplane area. The SSP was designed to provide an order-of-magnitude improvement in motion reduction over monohulls, as well as provide more deck space and internal volume. The SSP is 89-feet long and has an expected top operating speed of 25 knots with about 44 tons of payload and fuel. Design of the SSP features two parallel torpedo-like hulls which support an above-water cross structure by means of four vertical surface-piercing struts; two canard fins are located near the hull bows and a cross stabilizing fin is located near the hull sterns. The SSP was constructed at the Coast Guard Shipyard at Curtis Bay, Md.

• Supplemental Notes:
  • Presented at meeting, Nov. 11-15, 1973.
• Corporate Authors:

  American Society of Mechanical Engineers

  Two Park Avenue
  New York, NY  United States  10016-5990
• Authors:
  • Lang, T G
  • Hightower, J D
  • Strickland, A T
• Publication Date: 1973-11

Media Info

• Features: References;
• Pagination: 7 p.

Subject/Index Terms

• TRT Terms: Design; Semisubmersibles; Stabilized platforms; Submersibles; SWATH ships
• Old TRIS Terms: Design process; Semisubmersible construction; Ship descriptions
• Subject Areas: Design; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00054025
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: #73-WA/OCT-2 Paper
• Files: TRIS
• Created Date: May 7 1974 12:00AM