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-   -   Mach 5.1 aircraft (http://www.firearmstalk.com/forums/f12/mach-5-1-aircraft-90067/)

Jagermeister 05-04-2013 07:04 AM

Mach 5.1 aircraft
 
This would make an excellent first strike weapon, or put it on a rollercoaster. :D

http://news.yahoo.com/experimental-air-force-aircraft-goes-hypersonic-191935934.html

ScottA 05-04-2013 01:48 PM

Yowzer! That's fast.

locutus 05-04-2013 02:34 PM

Let's just hope that our isolationist, anti military POTUS has enough common sense to finalize this system and get several thousand of them deployed ASAP.

The possibilities here are endless. Not just as a strike craft, but an almost real time recon vehicle and possibly as a launch platform for an advanced missile interceptor.

And think of the psychological value.:D:D

303tom 05-04-2013 04:51 PM

Hell yes thats fast, they estimate that the speed of a Scramjet could theoretically reach 15 to 25 times the speed of sound...........

DFlynt 05-04-2013 07:57 PM

Pretty cool but for now I'll stick with the X-15: Mach 6.7 with a pilot on board

http://www.nasa.gov/centers/dryden/news/FactSheets/FS-052-DFRC.html

http://en.wikipedia.org/wiki/North_American_X-15

stratrider 05-04-2013 09:39 PM

Quote:

Originally Posted by DFlynt (Post 1236670)
Pretty cool but for now I'll stick with the X-15: Mach 6.7 with a pilot on board

http://www.nasa.gov/centers/dryden/news/FactSheets/FS-052-DFRC.html

http://en.wikipedia.org/wiki/North_American_X-15

And they mapped all that out in smoke filled rooms using slide rules with pencils behind their ears.

kbd512 05-04-2013 10:03 PM

A functioning scramjet "wave rider" capable of hypersonic speeds is "leap ahead" technology.

This will mean we can make long range, fuel-efficient missiles with very simple, from a manufacturing standpoint, propulsion technology.

The pilot is a limiting factor for manned aircraft, but I can see high-speed recon drone overflights being a definite possibility. That is, until our enemies perfect working rail guns or DEW's.

We already have rail guns and DEW's, but we're just starting to deploy them.

locutus 05-05-2013 12:06 AM

I have to laugh when I think of the reports from 10-15 years ago about the USAF testing the "Aurora" (which, of course, didn't exist) at a secret base in Nevada which also didn't exist..:D

The AF tried to get the UFO crowd interested to "explain" it, but most retired USAF pilots and techies didn't buy into that.

kbd512 05-05-2013 03:23 AM

The Groom Lake facility exists, I just don't think the Air Force has "UFO's" there. It does or did, however, test a lot of unconventional and highly classified aviation-related technology there.

At one point in time, the Air Force actually tested "flying saucers". The technology was abandoned because the engines of the day weren't powerful enough to make flying saucers supersonic, even though the disc lifting body technology is or should be the most efficient airframe form for what the Air Force wanted to use the disc lifting body for. We have far better and more efficient turbine technology now, but so far as I know they've not shown any further interest in testing that type of airframe. There are probably more efficient technologies available now for supersonic flight, like the "wave rider" airframes.

If memory serves, the XB-70 and to a lesser extent the SR-71, were the first airframes to use compression lift to boost efficiency at supersonic speeds. By designing hypersonic airframes with appropriate lifting surfaces, the effect of compression lift further improves fuel efficiency and lessens the amount of thrust it takes to keep the airframe hypersonic.

I'm very interested in what they want to use the technology for. You could potentially engineer lower cost single-stage-to-orbit vehicles with scramjets. They tested a variety of boosting technologies in decades past- everything from conventional rockets to carrier aircraft to special electromagnetic acceleration ramps (rail guns).

ScottA 05-05-2013 03:25 AM

Quote:

Originally Posted by locutus (Post 1236936)
I have to laugh when I think of the reports from 10-15 years ago about the USAF testing the "Aurora" (which, of course, didn't exist) at a secret base in Nevada which also didn't exist..:D

The AF tried to get the UFO crowd interested to "explain" it, but most retired USAF pilots and techies didn't buy into that.

Towards the end of his career in the USAF, my father ran into another officer who he had gone through some of his early training with. Turns out, he had eventually wound up working in "black projects".

The only thing he could tell him about his job was that anything the Air Force is willing to let people know about, they are testing technology 25 years in the future.


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