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Solar plane ready for its first hop

发布时间:2017-11-10 06:01:26来源:未知点击:

IT DOESN’T look like a flea, but the owners of this solar-powered aircraft hope it will mimic one next week. Should it perform the gentle “flea hop” planned it will be the first crewed solar-powered aircraft to take off under its own power. Runway tests planned as New Scientist went to press should have taken Solar Impulse, driven by four electric propellers and 400 kilograms of batteries, to a speed of 37 kilometres per hour, just shy of the 45 needed for it to take off. A flea hop is the next step. It seats only one person,