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Old 27th May 2010, 18:53   #1
JohnDotCom
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Default New Air Speed Record

Test jet sets new air speed record

An experimental aircraft has set a record for hypersonic flight, flying more than three minutes at six times the speed of sound.



The X-51A Waverider was released from a US Air Force B-52 Stratofortress off California on Wednesday.

Its scramjet engine accelerated it to Mach 6, and it flew under its own power for 200 seconds before losing acceleration. At that point the test was ended.
The Air Force said the previous record for a hypersonic scramjet burn was 12 seconds.
Unlike ordinary ramjets, which use air passing through at subsonic speeds to operate, the X-51 uses a supersonic internal airflow - giving rise to the name scramjet, short for supersonic combustion ramjet.
"We are ecstatic to have accomplished many of the X-51A test points during its first hypersonic mission," said an Air Force Research Lab spokesman.
"We equate this leap in engine technology as equivalent to the post-World War II jump from propeller-driven aircraft to jet engines."
The Waverider was built by Pratt & Whitney Rocketdyne and Boeing.
Joe Vogel, Boeing's director of hypersonics, said, "This is a new world record and sets the foundation for several hypersonic applications, including access to space, reconnaissance, strike, global reach and commercial transportation."
Four X-51A cruisers have been built for the Air Force, and the remaining three will be tested this autumn.
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Old 27th May 2010, 18:56   #2
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I wouldn't mind looking into the aerodynamics of that
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Old 27th May 2010, 19:00   #3
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anyone thinking what im thinking?

rover + scramjet =

truely remarkable feat of engineering however
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Old 27th May 2010, 19:21   #4
Ragman
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Should cut the commute to the US down by a few mins
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Old 28th May 2010, 11:13   #5
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Nice one John.........interesting to see they have called it an x51a.....great plane the x15!
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