25.08.2008 16:21 Uhr, Quelle: Engadget
QinetiQ's Zephyr sets another unmanned solar plane flight record
Filed under: Transportation
QinetiQ just (unofficially) smashed the record for an unmanned flight by a solar airplane, sending its Zephyr craft into the air for a staggering 83 hours and 37 minutes, more than double the official record by "Global Hawk" in 2001, and a good margin more than its last flight. The plane was guided by autopilot and satellites to a height of 60,000 feet, and powers off the sun during the day, prepping its rechargeable lithium-sulphur batteries for the night. Zephyr is being bu
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