Aeronautics and astronautics – Kites – Accessories
Patent
1996-06-21
1998-11-10
Grant, William
Aeronautics and astronautics
Kites
Accessories
244153A, 446217, B64C 3106
Patent
active
058331743
ABSTRACT:
An improved billowing rotary kite is provided. The rotary kite includes a hollow, collapsible wind receiving surface. An air inlet end of the wind receiving surface is retained open by a collapsible and adjustable frame affixed to the surface on a leading edge of the inlet end. Air flow through the kite is controlled by a flexible trailing edge at an air outlet end of the surface. The flexible trailing edge comprises a plurality of longitudinal vanes that extend about the air outlet end of the surface. The fully collapsible surface, and collapsible and adjustable frame, provide a rotary kite that is fully collapsible for packaging or stowage purposes. The depth of the frame is adjustable for obtaining the highest possible rotative flight characteristics and rotative diving capabilities of the kite. In flight, air currents pass through the air inlet end of the kite, through the surface along a longitudinal axis thereof, and out the outlet end. As air currents pass through the surface, the currents strike the vanes, which increases the air pressure within the surface, causing the kite to billow. Therefore, air billows the surface to retain the kite's shape, thus obviating the need for a longitudinal frame. The configuration of the vanes also causes the kite to rotate about its longitudinal axis while in flight.
REFERENCES:
patent: 2835462 (1958-05-01), Martin
patent: 3954236 (1976-05-01), Brown
patent: 4078745 (1978-03-01), Knight
patent: 4624648 (1986-11-01), Waters
patent: 4685642 (1987-08-01), Schloss
patent: 4830313 (1989-05-01), Cheng
patent: 5234182 (1993-08-01), Renecle
patent: 5529266 (1996-06-01), Knight et al.
Knight Carl E.
Knight JoAnn F.
Grant William
Hill Robert Charles
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