Qinetiq's Zephyr solar-powered UAV could be a record breaker
Regular readers may already know that this is not the first unmanned solar flier. The Zephyr weighs about 68 pounds and is made of composite materials. The plane uses an efficient propeller design to sustain flight and uses lithium-sulphur batteries. Hopefully, the team will be able to break the record soon and gain some additional credibility to sustained solar flight.
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