Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane sustained
Patent
1984-02-29
1987-01-06
Barefoot, Galen
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane sustained
244 4R, 244DIG1.3, 244142, 244 2, B64D 1704, B64C 300
Patent
active
046340807
ABSTRACT:
The invention is an improved method and device for utilizing the principles of lift achieved through the dynamic physics of the airfoil. In the case of the present invention, the airfoil utilized is a parafoil. The parafoil of the present invention is a multi-layered or multi-tiered arrangement to provide an improved directly vertical lift without the less efficient angular lift of the common parafoil horizontal dispersement of lifting power. The present parafoil vertical lift mechanism consists of a plurality of parafoils assembled in a multi-layered vertical configuration, a plurality of positioning stabilization rods to maintain the basic vertical spacing of the plurality of parafoils for an immediate ballooning effect at the start for take-off, a lifting frame suitably affixed to the assembled plurality of parafoils, a plurality of stabilization tether lines, at least one counter-drag tie line, and a load connector for suitably removably affixing the load to be lifted to the lifting frame.
REFERENCES:
patent: 1245724 (1917-11-01), Jacobs et al.
patent: 1846336 (1932-02-01), Icre
patent: 2175229 (1939-10-01), Swofford
patent: 2404544 (1946-07-01), Stelzer
patent: 2455044 (1948-11-01), Caplan
patent: 3285546 (1966-11-01), Jalbert
patent: 3700191 (1972-10-01), Page
Barefoot Galen
Corl Rodney
Finch Walter G.
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