Hydrodynamic lift for flying boats or sea planes

Details Hydrodynamic lift for flying boats or sea planes Hydrodynamic lift for flying boats or sea planes

1989-08-25

1991-05-28

Focarino, Margaret A.

Aeronautics and astronautics

Landing gear

Water landing

244105, 114274, 114282, B64C 3500, B64C 3502, B63B 130, B63B 126

Patent

active

050186868

ABSTRACT:
A flying boat or sea plane has a wing system in order to obtain hydrodynamic lift when protracted and including two wings arranged one above the other but establishing, in front view, a closed frame; the wing system can be retracted into the fuselage of the vehicle by turning the wings upside down and pulling them into the fuselage using a three-group lever system.

REFERENCES:
patent: 2214945 (1940-09-01), Weihmiller
patent: 2887081 (1959-05-01), Bader
patent: 2906229 (1959-09-01), Boericke, Jr.
patent: 2926623 (1960-03-01), Leehey
patent: 3236202 (1966-02-01), Quady et al.
patent: 3456611 (1969-07-01), Johnson
patent: 3498247 (1970-03-01), Handler
patent: 3742890 (1973-07-01), Hubbard et al.
patent: 3871317 (1975-03-01), Szpytman
patent: 3910215 (1975-10-01), Soderman
Burnham, Frank, "Aerial Firefighting Comes of Age", 1/1969, American Aviation, pp. 40-42.

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