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A tumblewing or "tumble wing" or "tumbling wing" is a glider or kite wing design which rotates about an axis transverse to the apparent wind, not necessarily horizontal. Tumble wings are frequently employed in wind turbines (such as the Savonius design ), and are also used in some types of confetti .
Rulebooks cover general rules and event safety requirements, judge guidelines, standardized flying figures for precision events, and dispute procedures. [4] For non-competitive events and kite festivals the association provides planning guides and templates, can help coordinate insurance, and can help publicize the event. [5]
A man flying a kite on the beach, a good location for flying as winds travelling across the sea contain few up or down draughts which cause kites to fly erratically. There are safety issues involved in kite-flying. Kite lines can strike and tangle on electrical power lines, causing power blackouts and running the risk of electrocuting the kite ...
The rudder is controlled by two kite lines, which are also used to fly the kite. The two lines come down to earth and terminate at an either a flying bar (a bar with spools at either end) or a special two-spool reel which incorporated a ratchet mechanism to assist in equalizing line length. The spool was in the center of a wooden bar which held ...
Commercially made dual-line sport kite on display, ready for launch. A sport kite, also commonly known as a stunt kite, is a type of multiline kite that can be maneuvered in the air. A related kite, also controllable and used for recreation, but capable of generating a significant amount of pull and used for providing movement, is the power kite.
The lift generated by the kite and other flying characteristics are affected by the kite's angle of attack, which is set by the bridle; the arrangement of lines which terminate the main kite lines and attach to a number of points across the kite's surface. Power kites having 4 or 5 lines come in two variants, fixed bridle and depowerable.
The SkySails propulsion system consists of a large foil kite, an electronic control system for the kite, and an automatic system to retract the kite. The kite, while 1–2 orders of magnitude larger, bears similarities to the arc kites used in kitesurfing. However, the kite is an inflatable rather than a ram-air kite.
Large kite systems may require more than one pilot. In a team like the "Flying Squad" of nine kite pilots each person might fly his own sub-kite while, as a team, its kites form a unified display. [21] One pilot may simultaneously fly several kites; the pilot with several kites forms one kite system of two, three or more kites in the system ...