世界首架太阳能飞机瑞士试飞--打印文章

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世界首架太阳能飞机瑞士试飞

作者：maisie 文章来源：本站原创点击数更新时间：2010-4-8 16:32:09 文章录入：maisie 责任编辑：maisie

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世界首架太阳能飞机瑞士试飞
Solar-powered plane soars above Switzerland[文章版权禁止转载:考试与评价 http://www.trgroup.com.cn/te/ $ =eoU#17PY7M5FroG]

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世界上首架可实现昼夜飞行的太阳能飞机——“阳光动力”号本周三在瑞士首都伯尔尼附近的一座军用机场成功完成首次试飞。此次试飞持续了87分钟，最高飞行高度达到了1200米。试飞的飞行员表示，试飞过程中飞机性能与在飞行模拟器上得到的结果一致，其控制性完全符合预期。据介绍，“阳光动力”号飞机翼展与空客340的翼展长度相当，机身重量约1600千克，相当于一辆普通中型轿车的重量，飞机机翼上铺排了将近12000块太阳能板，为4部螺旋桨引擎提供动力，并将多余电量存储到电池内以供夜航使用。这架太阳能飞机最终预期的平均飞行速度将为每小时70千米，而最高飞行高度也有望达到8500米，计划将在2012年进行环球飞行。[文章版权禁止转载:考试与评价 http://www.trgroup.com.cn/te/ =VS=4,=UuV27YxBFroG]

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A solar-powered airplane designed to fly day and night without fuel or emissions successfully made its first test flight above the Swiss countryside on Wednesday.

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The Solar Impulse, which has 12,000 solar cells built into its wings, is a prototype for an aircraft intended to fly around the world without fuel in 2012.

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It glided for 87 minutes above western Switzerland at an altitude of 1,200 meters (3,937 feet) with German test pilot Markus Scherdel at the controls.

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"Everything went as it should," Scherdel told Reuters Television at Payerne military base after landing.

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It took six years to build the carbon fiber aircraft, which has the wingspan of an Airbus A340 and weighs as much as a mid-size car (1,600 kg).

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The prototype made a "flea hop" in December 2009, flying a distance of 350 meters one meter above the runway of a military airbase near Zurich. It was then transported to Payerne airfield in the west of Switzerland for its maiden flight.

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The propeller plane is powered by four electric motors and designed to fly day and night by saving energy from its solar cells in high-performance batteries.

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It is ultimately expected to attain an average flying speed of 70 km per hour and reach a maximum altitude of 8,500 meters (27,900 feet).

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Bertrand Piccard, one of the Swiss pilots behind the project, is best known for completing the first non-stop, round-the-world flight in a hot-air balloon in March 1999.

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The other main pilot, Swiss engineer Andre Borschberg, has described it as "ten times lighter than the very best glider."

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"Such a large wingspan for so little weight is something completely new in the world of aviation," he said on the initiative's website www.solarimpulse.com.

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The project's budget is 100 million Swiss francs ($94 million), 80 million francs of which has been secured from sponsors, according to spokeswoman Rachel de Bros.

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Belgian chemicals company Solvay, Swiss watchmaker Omega, part of the Swatch group, and German banking giant Deutsche Bank, are the three main sponsors.

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Ecole Polytechnique Federale de Lausanne (EPFL), one of two Swiss federal polytechnical universities, is scientific advisor.

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