Optimal performance characteristics of high-L/B (length-to-beam) ratio surface-effect ships (SES) are detailed in a paper published at the David Taylor Naval Ship R&D Center (DTNSRDC). A high-L/B (e.g., 5 to 7) SES could be configured as a multi-thousand-ton ship such as a helicopter carrier. The paper presents experimental and predicted performance data for high-L/B SES designs in the areas of drag and powering, motions and maneuvering, and control. The data show that high-L/B SES designs offer lower total drags than low-L/B SES designs up to a crossover speed. The crossover speeds increase with displacement. For displacements above approximately 5,000 tons, design speeds as high as 60 knots were shown to be reasonable expectations. Furthermore, DTNSRDC tests suggest that speed degradation in high seas does not appear to be a serious limitation for high-L/B SES designs of multi-thousand-ton displacements. Also, results of DTNSRDC tests indicate that high-L?B SES designs have excellent potential for achieving transoceanic and greater ranges.

  • Corporate Authors:

    Navy Technology Transfer Sheet

    Naval Surface Weapons Center
    Dahlgren, VA  United States  22448
  • Publication Date: 1980-10

Media Info

  • Pagination: n.p.
  • Serial:
    • Volume: 5
    • Issue Number: 10

Subject/Index Terms

Filing Info

  • Accession Number: 00323287
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Feb 6 1981 12:00AM