Maximum lifting force is achieved in a dome-shaped parachute by fabricating the canopy of upper and lower spaced canopy membranes. A plurality of circumferentially spaced, radially disposed, flexible rib sections are connected between the canopy membranes to form a plurality of ram air cells, each cell having a ram air inlet port at the canopy hem, and a ram air outlet port at a central vent at the canopy apex. The rib sections can be provided with porous sections to equalize the ram air pressure between adjacent cells. The bottom canopy wall in each ram air cell may also be provided with a porous section for admitting the positive air beneath the canopy into each cell. A pull down vent line can be connected to the canopy apex for changing the chamber or angle of attack, and therfor the parachute drag. (Author)


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    Titel :

    Multi-Layer Ram Air Parachute Canopy


    Beteiligte:
    J. T. Matsuo (Autor:in)

    Erscheinungsdatum :

    1979


    Format / Umfang :

    8 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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