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MODEL TESTS ON CONTRA-ROTATING PROPELLERS

This paper presents the results of open-water tests with a systematic series of contra-rotating propellers, consisting of a four bladed forward screw and a five bladed aft screw. Based on the open-water test results, contra-rotating propeller systems were designed for a tanker and a cargo liner. Comparative tests have been carried out with the tanker and the cargo liner both equipped with contra-rotating propellers and with a conventional screw. The propulsive efficiencies, the cavitation characteristics, the propeller induced vibratory forces and the stopping abilities are dealt with.

  • Corporate Authors:

    Ministry of Defense (Marine), Netherlands

    Torenstraat 172
    The Hague,   Netherlands 
  • Authors:
    • van Manen, J D
    • Oosterveld, MWC
  • Publication Date: 1969-1

Media Info

  • Features: Figures; Photos; References; Tables;
  • Pagination: 22 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00010208
  • Record Type: Publication
  • Report/Paper Numbers: 21466/7294/SB
  • Files: TRIS
  • Created Date: Feb 25 1973 12:00AM