Aeronautics and astronautics – Kites
Patent
1975-12-29
1977-04-19
Blix, Trygve M.
Aeronautics and astronautics
Kites
B64C 3106
Patent
active
040184072
ABSTRACT:
A kite has three hollow, tubular frame members joined together at the forward end of the kite by a nose piece having radial lugs receiving the frame tubes thereover. A flexible sheet such as plastic is affixed between a central tube and each of two side tubes to form a delta shaped lifting surface which may have dihedral between two halves thereof. A triangular keel surface is attached to the central tube and extends below the kite. Affixed to a lower-most portion of the keel is a string attachment plate for attachment of a string used to tether the kite during flight. The plate has three longitudinally-spaced attachment points or holes, each adapted to receive the string selectively depending upon wind strength conditions. Each attachment point or hole provides a different preferred angle of attack to the kite in various wind conditions and hence facilitates obtaining optimum performance from the kite.
REFERENCES:
patent: 2785870 (1957-03-01), Green
patent: 3297282 (1967-01-01), Cunningham
patent: 3347500 (1967-10-01), Hartig
Blix Trygve M.
Kelmachter Barry L.
Stanbel, Incorporated
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