Boeing’s A160T Hummingbird unmanned rotorcraft recently completed its longest flight to date after accumulating 12-hours of airborne testing.
The turbine-powered A160T (below) took off just after mid-morning on October 12 at a site near
Boeing claims the flight used less than 60 percent of the aircraft's maximum fuel and attributed this to the A160's design, including its optimum speed rotor.
The 12-hour flight followed an eight-hour flight on September 27 during which the Hummingbird carried a 1,000-pound (453.6kg) payload.
Boeing now plans to fly the aircraft for 18 consecutive hours with a 300-pound (136kg) payload.
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Where will all the raw materials come from for the manufacturing process? How will they be transported to the factory and what is going to be done with the various scrap and residues?