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A tethered, moored or captive balloon is a balloon that is restrained by one or more tethers attached to the ground so it cannot float freely. The base of the tether is wound around the drum of a winch , which may be fixed or mounted on a vehicle, and is used to raise and lower the balloon.
A captive balloon tends to drift down the wind and the harder the wind blows, the further the balloon drifts. This leans the tether over at an angle, pulling the balloon lower. On a kytoon, the kite action lifts the balloon, counteracting this pull and holding the kytoon in position. As the wind blows harder, the kite action lifts harder.
Hot air balloon festivals are held annually in many places throughout the year, allowing hot air balloons operators to gather- as well as for the general public- to participate in various activities.They can include races; evening "night glows", or "glowdeos" (in the US), in which balloons are fired while remaining tethered to the ground; and rides.
German observation balloon launching at Équancourt in the Somme (22 September 1916) German war plane brings down a tethered kite balloon (1918) World War I was the high point for the military use of observation balloons, which were extensively deployed by both sides. The British, despite their experience in late 1800s Africa, were behind ...
Drachen kite balloon, showing its characteristic shape. A kite balloon is a tethered balloon which is shaped to help make it stable in low and moderate winds and to increase its lift. It typically comprises a streamlined envelope with stabilising features and a harness or yoke connecting it to the main tether and a second harness connected to ...
Free-flying Balloons drift with the wind. The pilot controls the altitude either by heating the air more or by releasing ballast weight. The wind direction usually changes with altitude, so crude directional control can be obtained by changing altitude. A round tethered balloon is unstable in any significant wind.
In 2007, they set up and opened the first Aerophare in Evry 2 (France), an attraction with an air-filled captive balloon within a 54 metres (177 ft) tower. Aerophare is a novel adaptation of a tethered balloon operating in an enclosed tower. An Aerophile ballon holds the record for carrying 30 passengers in a gas balloon. [citation needed]
The DHL Balloon was operated by Singapore Ducktours, a company which also offers city tours on its amphibious vehicles. [1] By September 2007, more than 150,000 people had ridden on the balloon, 70% of whom were tourists. Up to 1,000 people rode the balloon each weekend and its usage was the highest among all of Aerophile's balloons.