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「陽光動力2號」（Solar Impulse 2）已經做好準備，要繼續它創紀錄的環球之旅了。
「陽光動力2號」這架試圖以太陽能完成首次環遊世界飛行的飛機，即將在這個月內繼續它的旅程。
「陽光動力2號」在去年3月9日離開阿布達比，至今到過馬斯喀特（Muscat）、亞美達巴得（Ahmedabad）、瓦拉納西（Varanasi）、曼德勒（Mandalay）、重慶、南京、名古屋和夏威夷，但自7月起就停留在夏威夷。
這架飛機從名古屋飛往夏威夷的第一天，電池就因為一次快速拉高而過熱。
機翼上的一萬七千多個太陽能電池，能為四個電動馬達中的鋰離子電池供電。飛機結構採用比紙輕三倍的碳纖維，讓機身盡可能輕盈。
這架飛機必須更換電池，才能繼續它創紀錄的飛行。
為了讓這架飛機盡量輕盈，機上沒有存放行李的空間。
機艙裡有六個供高空飛行使用的氧氣瓶；一個符合人體工學的座椅，好讓機師小睡片刻；還有腕帶式的蜂鳴器，能在緊急時警示他。
座椅裡面有馬桶，椅背當中還有救生筏和降落傘。
這架飛機在晚上以時速35公里起飛。白天會以時速140公里的極速，拉高到8,500公尺，同時儲存太陽能。到了晚上，就會下降到1,500公尺並且減速，以保留電力。
機艙沒有加壓，因此機師必須穿上厚重的衣服保暖，並在高度飛行時帶上氧氣罩。
「陽光動力2號」已經準備要在4月底復航，日期視天候而定。它將從夏威夷飛往北美和南歐，再於今年夏季回到阿布達比。
這趟飛行的目的是為了宣導更潔淨、對環境更友善的科技。
英文原文：
Solar Impulse 2 geared up to resume its record-setting round-the-world journey.
Solar Impulse 2, an aircraft that is attempting to make the first round-the-world solar-powered flight, is set to resume its journey later this month.
Solar Impulse 2 left Abu Dhabi on March 9, last year and has flown to Muscat, Ahmedabad, Varanasi, Mandalay, Chongqing, Nanjing, Nagoya and Hawaii, where it has been grounded since July.
The plane’s batteries became overheated after a quick ascent on the first day during the flight from Nagoya to Hawaii.
More than 17,000 solar cells on the plane’s wing power lithium-ion batteries in four electric motors. The airframe uses carbon fiber, which is three times lighter than paper, to keep the plane as light as possible.
The plane’s batteries had to be replaced so the aircraft could resume its record-setting flight.
To make it as light as possible, the plane has no room for baggage.
Its cabin contains six oxygen bottles for high-altitude flight. An ergonomic seat allows the pilot to take naps, with a wrist-mounted buzzer to alert him in an emergency.
There is a toilet in the seat and a liferaft and parachute in the seat back.
The plane takes off at night at 35 kmph. It ascends to 8,500 meters during the day at a top speed of 140 kmph, as it stores solar energy. At night, the plane descends to 1,500 meters and slows down to conserve power.
The cabin is not pressurized, so the pilot has to wear thick clothes to keep warm and an oxygen mask at high altitudes.
Solar Impulse 2 is ready to depart in late April, depending on the weather. From Hawaii, it will travel to North America and southern Europe before returning to Abu Dhabi this summer.
The purpose of the flight is to promote cleaner and more environmentally friendly technologies.
