Parafoil

Details Parafoil Parafoil

1982-05-12

1984-01-10

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane sustained

244 16, 244139, 244142, 244DIG1, B64C 330, B64C 3102, B64D 1722

Patent

active

044249454

ABSTRACT:
A parafoil for supporting a flying machine, which parafoil has a forwardly extending central section open at the front to scoop in air during flight, and wings attached to the rear of the central section and which receive air into the interior thereof either directly or from the central section, said wings being divided into compartments of equalized pressure, and restraining elements attached to the parafoil central section in front of the parafoil wings and to the outer ends of the parafoil wings, thereby in flight to hold down the front of the parafoil central section and hold down the parafoil wings in an inverted U-shape.

REFERENCES:
patent: 1292662 (1919-01-01), Sumner et al.
patent: 2061640 (1936-11-01), Slipikas
patent: 3524613 (1970-08-01), Reuter et al.
patent: 3945592 (1976-03-01), Sutton
patent: 4191349 (1980-03-01), Pravaz
patent: 4261534 (1981-04-01), Roselli
NASA Technical Note D-2031, "Low Subsonic Flight Characteristics of a Model of a Supersonic Airplane Configuration with a Parawing as a Landing Aid", Johnson, Jr., 1963, pp. 22-23.

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