willedoo Posted June 6, 2012 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
siznaudin Posted June 6, 2012 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 - ??
bas Posted June 6, 2012 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!
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