An underground airplane is proposed as a rapid transit system between large cities. A large-diameter tunnel is constructed and medium-size airplanes are operated at around 600 km/hr. The tunnel can be used also for storage and transportation of material, energy, and information.


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    Title :

    Chichuu Hikouki No Aideia (Idea of Underground Airplane)


    Contributors:
    H. Satou (author)

    Publication date :

    1992


    Size :

    3 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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