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Human-powered helicopter
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Human-powered helicopter : ウィキペディア英語版
Human-powered helicopter

A human-powered helicopter (HPH) is a helicopter powered solely by one or more persons carried on board. As in other human-powered aircraft, the power is usually generated by pedalling. It remains a considerable engineering challenge to obtain both the power-to-weight ratio and rotor efficiency required to sustain a helicopter in flight.
On 13 June 2013, the AeroVelo Atlas was the first to complete a flight that lasted 64 seconds and reached an altitude of 3.3 metres, thus winning the American Helicopter Society (AHS) International's Igor I. Sikorsky Human Powered Helicopter Competition.
== The AHS Sikorsky Prize ==
(詳細はAmerican Helicopter Society (AHS) International's Igor I. Sikorsky Human Powered Helicopter Competition was a competition to achieve the first human-powered helicopter flight to reach an altitude of 3 m (10 ft) during a flight lasting at least 60 seconds, while remaining within a 10 m (32.8 ft) x 10 m (32.8 ft) square, and complying with other competition requirements.〔(【引用サイトリンク】title=Human Powered Helicopter )〕 Founded in 1980, the prize was originally US$10,000, but was raised to $250,000 in 2009. After the increase, two teams – AeroVelo from Canada and Team Gamera from Maryland – raced to win the competition. It was won by the AeroVelo Atlas for a flight that took place on 13 June 2013.〔(【引用サイトリンク】title=AeroVelo Team Wins AHS International’s 33-Year-Old Igor I. Sikorsky Human-Powered Helicopter Competition )
In a ceremony on 11 July 2013, held at the Ontario Soccer Centre in Vaughan, Ontario, the prize of $250,000 was presented. In announcing the award, the executive director of AHS International stated, "We at AHS International congratulate the AeroVelo team on your incredible accomplishment. Like the Wright Brothers, Charles Lindbergh and Igor Sikorsky before you, you have set an aviation milestone that should be forever remembered as a truly remarkable feat of innovative engineering excellence."

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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