Graphic: US Army Space and Missile Defense Command
Posted on 12/22/2010 10:05:08 PM PST by ErnstStavroBlofeld
A glimpse inside Boeing's Phantom Eye hydrogen-fueled unmanned aircraft has been provided by the Phantom Works' Keith Monteith, in a presentation to September's High Altitude and Near Space conference. The company-funded high-altitude long-endurance (HALE) demonstrator is planned to fly next year. The design is dominated by two things: the slender 150ft-span wing and the two 8ft-diameter liquid-hydrogen tanks that result in a bulbous fuselage. Both are driven by the requirement to demonstrate an endurance of at least four days above 60,000ft, to prove the technical readiness of hydrogen propulsion.
(Excerpt) Read more at aviationweek.com ...
Graphic: US Army Space and Missile Defense Command
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