A variable lift device includes a pressurized airtight enclosure accommodating air, a first airtight ballonet disposed inside the airtight enclosure accommodating a pressurized gas with a density lower than the density of air, the first airtight ballonet comprising a perforation means for perforating the first airtight ballonet.


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    Title :

    SYSTÈME D'ASCENSION STRATOSPHÉRIQUE À BALLONNET PARTIEL


    Additional title:

    SYSTEM FOR RISING THROUGH THE STRATOSPHERE WITH PARTIAL BALLOON
    STRATOSPHÄREN-AUFSTIEGSSYSTEM MIT TEILBALLON


    Contributors:

    Publication date :

    2023-06-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft



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