Aeronautics and astronautics – Kites
Patent
1976-04-01
1978-08-01
Kunin, Stephen G.
Aeronautics and astronautics
Kites
B64C 3106
Patent
active
041038509
ABSTRACT:
A kite is disclosed having a main body portion fabricated of a flexible material consisting of two substantially triangular panels joined along one edge, and joined again, in an aerodynamic curve, adjacent to, and roughly parallel with, the original join, forming a keel foil enclosing roughly one quarter of the sail area. This keel foil, being double fabric, forms a pocket to hold the mast which maintains it stiffened along it's outer edge for the whole of it's length. The two remaining wing foils are stiffened with spars for roughly three-quarters of their length being unsupported towards the nose of the kite. The cross-stay is disposed across the back of the kite and is pivotally secured to the wing-spars ahead of half of their length. A single fulcrum on the mast holds the line. There is no central stiffening member so the kite is flexible. The aerodynamic curve to the top of the keel also reforms the shape of the wings, giving lift from both the front and the side of the kite, causing the wings to oscillate in the air, or flap to the manipulated tension on the line.
REFERENCES:
patent: 919436 (1909-04-01), Jackson
patent: 1105058 (1914-07-01), Bochau
patent: 3428277 (1969-02-01), Everett, Jr.
patent: 3534932 (1970-10-01), Christoffel et al.
patent: 3963200 (1976-06-01), Arnstein
Barefoot Galen L.
Kunin Stephen G.
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