Hypersonic aircraft shatters aviation records, page
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Topic started on 27-5-2010 @ 01:04 PM by KyoZero

www.msnbc.msn.com...


blog.seattlepi.com
The Air Force tests an unmanned X-51 WaveRider off the coast near Point Mugu. Launched from a B-52 bomber, it hits 3,500 mph and travels for 200 seconds before plunging into the ocean as planned
(visit the link for the full news article)


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[edit on 27-5-2010 by KyoZero]


reply posted on 27-5-2010 @ 01:22 PM by UmbraSumus
reply to post by KyoZero



Hey there KyoZero !

Certainly a ground breaking accomplishment . I understand that the temperatures generated inside the scramjet are phenomenal , I wonder how they cope with volcanic ash ....

How long do you think it will be before we see a commercial application ?


reply posted on 27-5-2010 @ 01:28 PM by KyoZero
reply to post by UmbraSumus



I miss mutter...haven't talked to you in a while so thanks for stopping by :-p

History of the Jet Engine

According to this the Jet was finally tested in 1936 and flying by the latter days of the war so if we go by that sort of thing maybe we'll see commercial (though I am sure it will be miltary LONG before commercial) over the next 10 years

-Kyo


reply posted on 28-5-2010 @ 05:38 AM by waynos
reply to post by KyoZero



If that's what the site says about the jet engine then is wrong. The first jet was flying before WW2 began and the Italians (sort of) and British were also flying jets before Pearl Harbour happened.

As for your prediction of commercial scramjets in 10 years? Not a chance. Remember what happened to Concorde. A commercial scramjet would be stupidly expensive and completely unprofitable, and that is what counts, not how cool it is.

Actually, just had a look at that site and I see it repeats this, oft trotted out, fallacy.

Ohain later developed an axial flow engine, the beginning of what is now the standard for gas turbine engines.




Germany did not invent the axial engine, despite this common fallacy.

A major engine type of the 1950's and 60's was the Armstrong Siddeley Sapphire, this was also built in the USA as the Wright J-65 and is a very significant and successful axial engine.

Development of this engine began as the Metrovick F.9, this was a development of the Metrovick F.2 which was flying in a Meteor before the wars end and also powered the Saro SR/A.1.

The contract for the development of this engine was granted by the Air Ministry in 1939 and dates back to continuous private research by Alan Griffith over the previous decade, beginning with a paper he published in 1926 which predates both Whittle AND Ohain, who both used centrifuges initially.

Anyhow, on with the true topic now I have that off my chest

[edit on 28-5-2010 by waynos]

[edit on 28-5-2010 by waynos]


reply posted on 29-5-2010 @ 08:57 AM by KyoZero
reply to post by waynos



don't take it out on me...I just posted what I found and made a non-educated guess on the SJ

Admittedly jets are not my expertise

-Kyo
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