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[科技报道]太阳能飞机计划环球飞行

2014-08-27    来源:普特英语听力    【      美国外教 在线口语培训
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From VOA Learning English, this is the Technology Report.

In 2012, a team of pilots and engineers from Switzerland successfully flew a plane powered by sun light from Spain to Morocco. The same team flew the aircraft across the United States in 2013. Now, the Swiss team is preparing for a flight around the world in 2015. The new, improved version of the plane, named Solar Impulse 2, was recently shown in Switzerland. 

Solar Impulse 2 is a very light, single-seat airplane. Its wings are 63 meters across. This large wingspan provides 200 square meters of space for energy cells that charge lithium-ion batteries. These special batteries are needed to keep the plane flying at night. 
 
Four electric motors permit the plane to cruise at a speed of up to 140 kilometers per hour, at an average height of 8,500 meters above sea level. The longest flight of Solar Impulse 1 was made in May 2013. The plane flew from Phoenix, Arizona to Dallas, Texas, a distance of just over 1,500 kilometers.
 
Pilot Andre Borschberg says Solar Impulse 2 will be able to fly much longer distances between stops.
 
"When we leave the coast of China, we don't know what the weather looks like on the side of the ocean. So these are big question marks," said Borschberg.
 
12 years of research and testing went into building Solar Impulse 2. The researchers and testers believe the aircraft will be able to fly around the world in 20 to 25 days and nights.
 
Andre Borschberg once flew jets for the Swiss Air Force. He says every detail on the airplane is designed to save energy. 
 
"This airplane is an example of energy efficiency, how we save the energy, and how the energy from the sun is enough to keep the airplane in the air day and night," said Borschberg.
 
Mr. Borschberg will be able to sleep or even exercise when using the autopilot, a flight assistance device. 
 
Bertrand Piccard is the Chairman of the Solar Impulse project. He says the goal of the flight around world is to support energy efficiency. 
 
"It is to bring products to their clients which are more energy efficient: in home buildings, in the transportation, in appliances, it can be lighting," Piccard said.
 
Solar Impulse 2 begins test flights in May. The flight around the world is planned to start next March from an airport somewhere along the Persian Gulf.
 
And that's the VOA Learning English Technology Report. For more technology stories go to our website learningenglish.voanews.com. I'm Jonathan Evans.
 
本文来源于普特论坛[report整理] SENEWS-2014-06-16

这里是美国之音慢速英语科技报道。

2012年,来自瑞士的飞行员和工程师组成的一队人靠着一架太阳能飞机成功的从西班牙飞到了摩洛哥。2013年他们又横跨了美国。现在,他们正准备着2015年的环球飞行。这架全新改版的飞机最近在瑞士进行的展示,它被命名为阳光动力2号。

阳光动力2号是一架轻型单座飞机,机翼宽达63米。这广阔的翼展给锂离子电池充电的能源元件提供了200平米的空间。这种特制的电池用于保证该飞机在夜间的正常飞行。
 
四台电力马达使该飞机能在8500米的高空以平均每小时140公里的速度巡航。
阳光动力1号 在2013年的5月完成了它的最远航程。从亚利桑那州的菲尼克斯到德克萨斯州的达拉斯,距离有1500公里之多。
 
飞行员Andre Borschberg表示,阳光动力2号能够在机场之间飞行更长的距离。
 
Borschberg 说:“当我们离开中国海岸时,我们不知道大洋另一面的天气状况。所以存在很大的问题。”
 
阳光动力2号耗费了十二年的时间来研究和测试。研究人员和测试人员相信这架飞机能够在20到25天内完成环球飞行。 
 
Andre Borschberg曾在瑞士空军服役。他说,飞机上的每个细节都是为了节约能源。
 
Borschberg说:“这架飞机是能效的一个实例。如何节能,以及如何使太阳能足够维持飞机的飞行。”
 
Borschberg先生在使用自动驾驶仪这种飞行辅助装置时,他可以睡觉,甚至是锻炼。
 
Bertrand Piccard 是阳光动力这个项目的总裁。他说环球飞行的目的就是为了支持能效的发展。
 
Piccard说:“这是为了给顾客带来更高能效的产品:在家,在交通运输和路上家用电器中,它更提供照明。”
 
阳光动力2号在5月开始试飞。环球飞行计划在明年三月的时候从沿波斯湾附近的某一个机场起飞。 
 
以上就是本期美国之音慢速英语科技报道的全部内容。请访问我们的网站putclub.com。我是Jonathan Evans。


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