Million Post March. When will NAXJA reach 1 million posts?

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Japan Tests Bigger Faster SST

Japanese researchers are set to test a jet designed to fly at twice the speed of sound, travel twice as far as Concorde and carry three times as many passengers.

The engineers will test the NEXST in the Australian desert next month.

They say the boom from the supersonic jet will also be reduced to the noise level of a Boeing 747, and emissions will be cut by 75%.

For the test, an engine-less 10% scale model of the NEXST - National Experimental Supersonic Transport - will ride piggyback on a rocket, then be hurtled forwards at a speed of 1,522 mph.

After a 14-minute test flight, it will release parachutes and land.

The July 11 experiment aims to test the viability of the plane's aerodynamic shape, which was developed through computer simulations seeking to cut the noise of supersonic flight in half.

"What we will be looking at in next month's experiment is if our design really has the sound-reducing effect we have achieved in simulations," said National Aeronautics Laboratory spokesman Toshiharu Okuda.

Officials plan to conduct more tests with US-built engines powering the NEXST prototype over the next two years.

NAL does not expect the jet to be ready for commercial flights until 2012.

The program has its skeptics, who point out that Japan has developed almost nothing of interest in aviation since the Second World War.


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