Usefulness of undulating plates for underwater propulsion was investigated experimentally, and by reviewing literature; watercraft, consisting of two aircraft drop tanks, which act as floats and are interconnected in catamaran fashion by steel framework, was built; undulating plate of small aspect ratio is mounted horizontally in centerline about 2 ft below water level; ten different plates were tested; maximum speed obtained was 5.1 fps; maximum propulsive efficiencies obtained in tests were only 16%; however, theoretical work indicates that extremely high efficiencies may occur in certain designs.


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    Title :

    Propulsion by undulating


    Additional title:

    J Aircraft


    Contributors:
    Botman, M. (author)

    Published in:

    Publication date :

    1965


    Size :

    7 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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