willedoo Posted June 6, 2012 Share Posted June 6, 2012 Boeing's 'Phantom Eye' liquid hydrogen powered drone has completed it's first autonomous flight, sustaining a bit of damage on landing when the gear dug into the lake bed. They say it should be able to fly for up to four days without re-fueling. http://www.key.aero/view_news.asp?ID=5170&thisSection=military Link to comment Share on other sites More sharing options...
siznaudin Posted June 6, 2012 Share Posted June 6, 2012 Boeing's 'Phantom Eye' liquid hydrogen powered drone has completed it's first autonomous flight, sustaining a bit of damage on landing when the gear dug into the lake bed. They say it should be able to fly for up to four days without re-fueling.http://www.key.aero/view_news.asp?ID=5170&thisSection=military Cruise speed 62 knots ??? Quite leisurely, I venture to suggest: almost a "loiter speed" figure... Fascinating to be using liquid hydrogen ... presumably it's allowed to (controllably) boil off & then be utilsed as required - ?? Link to comment Share on other sites More sharing options...
bas Posted June 6, 2012 Share Posted June 6, 2012 environmentally responsible liquid-hydrogen propulsion system Uhm, yeah, only if you use environmentally friendly energy sources the create the hydrogen fuel, mate! Link to comment Share on other sites More sharing options...
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