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Super Secret Hypersonic Aircraft
04-24-2012, 05:26 PM #1
Kreeper Griobhtha
Posts:11,167 Threads:770 Joined:Feb 2011
Super Secret Hypersonic Aircraft Flew Out of Its Skin


Quote:It turns out that tearing through the atmosphere at 20 times the speed of sound is bad for the skin, even if you're a super high-tech aircraft developed by the government's best engineers at its far-out research agency.

DARPA, the Defense Advanced Research Project Agency, has made public its best guess about what might have caused its unmanned arrowhead-shaped Hypersonic Technology Vehicle (HTV-2) to suddenly lose contact and crash in the Pacific just a few minutes after slicing through the sky at Mach 20 last August: it was going so fast its skin peeled off.

After an eight-month investigation, DARPA concluded that even though the HTV-2 was expected to lose some of its skin mid-flight, "larger than anticipated portions of the vehicle's skin peeled from the aerostructure," the agency said in a statement Friday.

The agency said it expected the HTV-2, which goes so fast it can make the commute from New York to Los Angeles in 12 minutes, to experience "impulsive shock waves" at such speeds, but shocks it experienced last August were "more than 100 times what the vehicle was designed to withstand."

While the test was very public, the details of the HTV-2's design, stability system and potential purpose remain highly classified.

Two months after DARPA's test, the Army tested its own hypersonic aircraft - this one a long-range weapon system called the Advanced Hypersonic Weapon (AHW) designed to strike any target in the world in just a couple hours.


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What politics from both sides wants to teach us is that things are never complex. If you have your little package and something doesn't fit into that package, You don't know what to make of it so you want to dismiss it or then you will have to do the work of reconsidering your assumptions. - Michael Malice
04-24-2012, 05:34 PM #2
JayRodney ⓐⓛⓘⓔⓝ
Posts:30,289 Threads:1,495 Joined:Feb 2011
Probably friction was the culprit. Don't know why they didn't use the stealth tech to ionize the air around the craft to reduce drag, but those systems cost big money to put in from what I understand.

wonder.gif

04-24-2012, 05:38 PM #3
yankees skier
Posts:5,032 Threads:215 Joined:Feb 2011
Gremlins. coffeetime.gif

Biere.
04-24-2012, 05:51 PM #4
JayRodney ⓐⓛⓘⓔⓝ
Posts:30,289 Threads:1,495 Joined:Feb 2011
[Image: stokinpls_2008_030368.jpg]

lol.gif

wonder.gif

04-24-2012, 06:13 PM #5
Octo Mother Superior
Posts:41,538 Threads:1,589 Joined:Feb 2011
Even aircraft get nekid under some conditions. That's interesting. coffeetime.gif
04-24-2012, 06:15 PM #6
Strigoi Diavolul
Posts:1,771 Threads:92 Joined:Mar 2011
(04-24-2012, 05:51 PM)JayRodney Wrote:  [Image: stokinpls_2008_030368.jpg]

lol.gif


lol.gif The Gremlins Twilight zone Shatner episode. rofl.gif rofl.gif
04-24-2012, 08:59 PM #7
yankees skier
Posts:5,032 Threads:215 Joined:Feb 2011
rofl.gifrofl.gifrofl.gif

Biere.



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