The bulbous Phantom Eye UAV flew for less than a half-hour in its debut autonomous flight -- but that was just a bite-size test in preparation for eventually staying aloft for days at a time.
Boeing announced this morning that its Phantom Eye made a 28-minute flight at the end of last week, reaching an altitude of 4,080 feet and a cruising speed of 62 knots. The unmanned aircraft, which looks rather like a propane tank outfitted with wings and a tail structure, is powered by liquid hydrogen. Ground tests took place earlier this year.
Eventually, the Boeing-funded aircraft … Read more