Progress during past few years in design and testing of underwater propellers, rockets and jet engines; differences between air and water propulsion; underwater jet engine developed by Aerojet-General Corp uses special, non-gassing, solid propellant and operates at 2 to 1 velocity ratio; combined pump and ducting efficiency is about 70%; test facilities include towing tank, water tunnel and rotating arm.


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    Title :

    Underwater propulsion moves ahead


    Additional title:

    Astronautics


    Contributors:

    Published in:

    Astronautics ; 2 , n 2


    Publication date :

    1957


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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