'Hypersonic' aircraft put to the test

Unmanned WaveRider is to undergo another test flight above Pacific Ocean aiming to reach speeds of up to Mach 6.

    The US Air Force planned a key test of an experimental aircraft designed to fly at six times the speed of sound, or about 6,500kph.

    The unmanned X-51A WaveRider, the military’s latest attempt at hypersonic flight, was expected to reach Mach 6 after it is dropped by a B-52 bomber and takes flight off the Southern California coast.

    Engineers hoped the X-51A would sustain its top speed for five minutes, twice as long as it has gone before.

    The X-51A WaveRider could become the basis for much faster commercial flights and a new tool for military use.

    Al Jazeera's Mark Orchard reports.

    SOURCE: Al Jazeera


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