UTILISING EXPERIENCE gained from many similar projects and working in close conjunction with Focke Wulf engineers, Hymatic evolved the eventual VAK 191B fuel tank pressurisation system from a feasibility study undertaken on the Focke Wulf FW 1262. The VAK 191B is equipped with a tank pressurisation and venting system for its ten permanently installed fuel tanks, these being arranged in two tank groups. The forward tank group, consisting of tank Nos. 1, 2, 2A, 2B, 2C, 3 and 4 is located in front of the cruise engine. The rear tank group, consisting of tank Nos. 6, 7 and 8, is located aft of cruise engine. Each tank group is filled from a single point pressure refuelling system through a refuelling valve. The forward group is fed at tanks 2C and 1, and the aft group is fed at tank 6. To prevent tank over-pressurisation during refuelling, the refuelling pipe has installed in it a fixed orifice. Normally the refuelling valve shuts off the refuelling supply when the tanks are full. However, in the event of refuelling valve failure in the open condition an arrangement has been made whereby tank safe overpressure is not exceeded.


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    Titel :

    Fuel pressurisation system


    Erschienen in:

    Erscheinungsdatum :

    01.08.1973


    Format / Umfang :

    2 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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