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Boeing Phantom Eye HALE UAS Explained

arp2041

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Boeing Phantom Eye HAL UAS makes first flight on June 1, 2012.

Introduction

Phantom Eye is a high-Altitude, long-Endurance (HALE) aircraft designed to remain airborne for up to 4 days operating at altitudes upto 65,000 ft.

The most outstanding feature of the Phantom Eye is its liquid-hydrogen propulsion system - two internal combustion engines - that makes it environmentally friendly, creating only water as a byproduct.

The UAS has a 150-foot wingspan and is capable of carrying a 450-pound payload. Its propellers have a diameter of 16 ft.

The aircraft carries nearly 1,900 lbs of cryogenic Hydrogen gas in its bulbuous fuselage.

Phantom Eye doesn't have a traditional landing gear. Instead, it takes off using a wheeled cart with a cradle, which it detaches from on T/O.

Production Version

The production version of the aircraft will have a wing span of 250 ft and be able to carry a payload of 2,000 lb. It will be able to stay on station for 10 days. Three to four Phantom Eyes could provide year around surveillance of an area performing the role of a geostationary satellite that is just 65,000 ft above the ground!

Taxi Trial


First Flight


The Phantom Eye completed its first autonomous flight June 1, 2012 at NASA's Dryden Flight Research Center at Edwards Air Force Base, Calif.

The 28-minute flight began at 6:22 a.m. Pacific time as the aircraft lifted off its launch cart. Phantom Eye climbed to an altitude of 4,080 feet and reached a cruising speed of 62 knots.

After touching down, the vehicle sustained some damage when the landing gear dug into the lakebed and broke.

The flight took place following a series of taxi tests in April 2012 that validated ground guidance, navigation and control, mission planning, pilot interface and operational procedures.


Boeing Phantom Eye HALE UAS - IDP Sentinel
 
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Interesting UAV, dont know why they needed hydrogen engines however and how its going to land without a gear.
 
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