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After the Phantom Eye landed, it was slightly damaged when the landing gear hit the lakebed and broke

Boeing sent its Phantom Eye unmanned airborne system (UAS) on its first autonomous flight last week.

Boeing's Phantom Eye is a hydrogen-powered unmanned aerial vehicle (UAV) that is propeller-driven. The aircraft uses two 2.3 liter, four-cylinder engines capable of pushing 300 horsepower total and can loiter above a target for up to 10 days. Its main purpose is to gather information or conduct attack missions.

The Phantom Eye took off at 6:22 a.m. PST for a 28-minute flight. It reached an altitude of 4,080 feet and a speed of 62 knots. The flight took place June 1 at NASA's Dryden Flight Research Center at Edwards Air Force Base in California.

"This day ushers in a new era of persistent Intelligence, Surveillance and Reconnaisance (ISR) where an unmanned aircraft will remain on station for days at a time providing critical information and services," said Darryl Davis, president of Boeing Phantom Works. "This flight puts Boeing on a path to accomplish another aerospace first -- the capability of four days of unrefueled, autonomous flight."

After the Phantom Eye landed, it was slightly damaged when the landing gear hit the lakebed and broke. But overall, the flight was a success.

Previous to the June 1 flight, the Phantom Eye took part in a series of tests throughout April, such as navigation and control, pilot interface, and mission planning.

The Phantom Eye used for demonstration purposes has a 150-foot wingspan and can carry a 450-pound payload. It can fly up to 96 hours without needing to land, but Boeing is looking to make a new model in 2014 that can fly up to 240 hours without landing.




Source: Boeing



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RE: Hydrogen?
By hartleyb on 6/6/2012 1:09:09 PM , Rating: 2
A little suprised by all the responses to this article. Have you ever tried to see something white with a 19 ft wing span at 65000 ft...hard even with help from optics. The engine choice, fuel, and design all have to do with high altitude operations. As a note the UAV is designed to reduce fuel consumption by using upper air currents. It would only last a couple days or less at low altitude. The idea is to replace the current P3 manned aircraft with an unmanned aircraft that can be both a relay for communications as well as a imagery reconnaissance. The DOD's move from the prop powered P3 to the jet engine power P8 leaves some huge gaps in operational capability i.e. on station time. The P8 has a 65% less capability to stay on station then the current P3. UAV's will fill the gap.


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