A non-rigid airship or hybrid air vehicle has a pressure-stabilised envelope (100) that includes at least one ballonet (102, 103). A system is provided for measuring the geometry of the lifting gas enclosure (101) within the pressure-stabilised envelope (100). The system comprises a plurality of sensors (104, 109) located outside the ballonet(s) but inside the envelope, for measuring the geometry of the enclosure. Some of the sensors (104) are arranged to measure an internal surface of the pressure-stabilised envelope (100), and others of the sensors (109) are arranged to measure an external surface of the at least one ballonet (102, 103).


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    Title :

    AIRCRAFT AND SYSTEMS THEREFOR


    Additional title:

    FLUGZEUG UND SYSTEME DAFÜR
    AÉRONEF ET SYSTÈMES ASSOCIÉS


    Contributors:
    DURHAM MICHAEL (author) / MACEY PAUL (author)

    Publication date :

    2024-06-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft / G01F Messen des Volumens, des Durchflussvolumens, des Massendurchflusses oder des Füllstandes , MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL



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