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Red Bull Flugtag (German: flight day, airshow) is an event organized by Red Bull in which competitors attempt to fly home-made, size- and weight-limited, human-powered flying machines (max 10m/30 ft, 150 kg/330 lbs). The flying machines are usually launched off a pier about high into the sea (or suitably sized reservoir of water). Most competitors enter for the entertainment value, and the flying machines rarely fly at all. ==Background== The format was originally invented in Selsey, a small seaside town in the south of England under the name "Birdman Rally" in 1971.〔(First known Flugtag format event )〕 The first Red Bull Flugtag competition was held in 1991 in Vienna, Austria. It was such a success that it has been held every year since and in over 35 cities all over the world.〔(Red Bull 2008 Flugtag Tampa Bay / Chicago / Portland Oregon )〕 Anyone is eligible to compete in the Flugtag event. To participate, each team must submit an application and their contraption must meet the criteria set forth by Red Bull. The criteria varies with location. In the USA each flying machine must have a maximum wingspan of 30 feet (9.14 m) and a maximum weight (including pilot) of 450 lbs. (204 kg). In Australian Flugtags the wingspan is limited to 26.25 feet (8.0 m) and the weight (NOT including pilot) to 396.8 lb (180.0 kg).〔http://www.redbull.com.au/cs/userfiles/file/RedBullFlugtag_TC_updated_6.pdf〕 The craft must be powered by muscle, gravity, and imagination. Because the aircraft will ultimately end up in the water, it must be unsinkable and constructed entirely of environmentally friendly materials. The aircraft may not have any loose parts and advertising space is limited to .〔 Teams that enter the Flugtag competition are judged in three categories; distance, creativity, and showmanship. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Red Bull Flugtag」の詳細全文を読む スポンサード リンク
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