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Post by Diamondback on Jul 23, 2007 12:25:46 GMT 9
For space, I was saying it was done as an in-joke, not a serious proposal. (From what I've read, even Skunk Works jokes were serious work to prepare!)
I was thinking Starlite as a way to get around the temperature limits for in-atmosphere, in the more recent context. Back then, we hadn't even gotten to the heavy-duty stuff like reentry stresses yet, had only been as far as "Can it get up there? Can it maneuver? Can it take the heat?" (Paranthetically, the thruster-packs might have possibly been effective for low-level maneuverability enhancement, also.)
Haven't had a chance to ask "War"* yet on the F-12B pix, and am out-of-town myself.
*Don't ask, long story.
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delta2477a
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Post by delta2477a on Jul 24, 2007 9:39:11 GMT 9
Still I'm quite suprized that the Blackbird could actually take around the same heat as a shuttle re-entry...
Delta2477A
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delta2477a
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Post by delta2477a on Jul 26, 2007 0:32:27 GMT 9
Diamondback,
While off topic... what are the shuttle-re-entry temperatures?
Delta2477A
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Post by Diamondback on Jul 26, 2007 15:02:46 GMT 9
I rechecked from official Lockheed diagrams at San Diego Air & Space Museum today, my source was wrong, unless it was at the pitot tip. Hottest place on the rest of the airframe is mid-nacelle, at about 900 degrees.
So, building the ultimate Sled requires unobtainium. With present, non-blackworld/"disappeared" materials technology, it ain't happenin'...
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Post by Jim on Jul 26, 2007 22:52:16 GMT 9
I So, building the ultimate Sled requires unobtainium. With present, non-blackworld/"disappeared" materials technology, it ain't happenin'... WOW THE OLD SARGE
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Post by Cougar on Jul 27, 2007 0:27:52 GMT 9
I So, building the ultimate Sled requires unobtainium. With present, non-blackworld/"disappeared" materials technology, it ain't happenin'... WOW THE OLD SARGE I agree ole Sarge - I was absolutely thunderstruck when I read that the project now required that it be built out of super secret unobtainium in order to ward off the heat demons.
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Post by Diamondback on Jul 27, 2007 16:13:34 GMT 9
Guys, "unobtainium" is just a term I and a few others use as shorthand to describe any material or item that's either impossible or near-impossible to get. Before CIA and Titanium Metals Corp. worked through how to get enough or the Blackbirds, Ti would have been "unobtainium". With Starlite being "disappeared" and fire-paste being unknown/untested and possibly equally blackholed or bureaucratically-scuttled...
It's definitely not as easy as a couple college kids with some flawed numbers and a little too much idle time once believed, that's for darn sure.
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delta2477a
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Post by delta2477a on Aug 1, 2007 3:07:59 GMT 9
What was the temperature you saw that was listed as the Pitot Temp? Assuming it's not classified or anything.
Delta2477A@Hotmail.com BTW: Diamondback is correct in regards to the term "Unobtainium" it's a substance who's properties are virtually impossible to achieve with current science, or are impossible to get/obtain.
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delta2477a
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Post by delta2477a on Aug 4, 2007 2:53:05 GMT 9
Why did you think the A-12/SR-71 would reach or 1,260 Celsius at the nose?
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Post by pat perry on Aug 4, 2007 5:49:36 GMT 9
Why did you think the A-12/SR-71 would reach or 1,260 Celsius at the nose? Hi delta2477a, Are you addressing your question to a specific person? If so it would help to identify them or if it is addressed to everyone, you might start it with "Can anyone tell me....?" Another tip is to use the "quote" button if you are responding to a specific posting. That way, the person (and everyone else reading your response) knows the exact reference or context for your reply. Thanks, Pat Perry PS: I don't know the answer to your question.
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Post by lindel on Aug 4, 2007 7:46:58 GMT 9
Everything I've ever read usually states the skin and frame of the 71 was upwards of 800* upon landing and taxi to the hanger, repairs/maintenance commenced after cool down.
I would think the problem wouldn't be as much getting the ship up to mach 6, but rather having it stay in something resembling 1 piece during said flight and slow-down phase.
I've often thought that she could easily do over mach 3, but of course it's all speculation...
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Post by Cougar on Aug 4, 2007 10:16:57 GMT 9
Guys, "unobtainium" is just a term I and a few others use as shorthand to describe any material or item that's either impossible or near-impossible to get. Before CIA and Titanium Metals Corp. worked through how to get enough or the Blackbirds, Ti would have been "unobtainium". With Starlite being "disappeared" and fire-paste being unknown/untested and possibly equally blackholed or bureaucratically-scuttled... It's definitely not as easy as a couple college kids with some flawed numbers and a little too much idle time once believed, that's for darn sure. What was the temperature you saw that was listed as the Pitot Temp? Assuming it's not classified or anything. Delta2477A@Hotmail.com BTW: Diamondback is correct in regards to the term "Unobtainium" it's a substance who's properties are virtually impossible to achieve with current science, or are impossible to get/obtain. I think I detect the presents of flatulentainium in the atmosphere; a sometimes toxic and colorless gas known to metamorphosize into a liquid mass during extreme incidents of excrement-air separator failure.
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Post by Jim on Aug 4, 2007 12:53:19 GMT 9
Guys, "unobtainium" is just a term I and a few others use as shorthand to describe any material or item that's either impossible or near-impossible to get. Before CIA and Titanium Metals Corp. worked through how to get enough or the Blackbirds, Ti would have been "unobtainium". With Starlite being "disappeared" and fire-paste being unknown/untested and possibly equally blackholed or bureaucratically-scuttled... It's definitely not as easy as a couple college kids with some flawed numbers and a little too much idle time once believed, that's for darn sure. I think I detect the presents of flatulentainium in the atmosphere; a sometimes toxic and colorless gas known to metamorphosize into a liquid mass during extreme incidents of excrement-air separator failure. Thanks Cougar, for being so diplomatic with these guys a six pack for you..........Believe that the subject has now reached beyond the ridiculous stage......How about a study of the adhesives used on the Shuttle tiles The Old Sarge
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Post by Black Bart on Aug 5, 2007 7:03:59 GMT 9
Yes it is time to close this link. May I just add that on the Cross Country Speed Run, the SR-71 took off and made a speed run to heat up to make a much needed refueling. It had to slow down to reach the KC-135 in both speed and altitude (SUBSONIC). The SR-71 did this at least two more times on that flight. Safety was always a concern.
If the Coast-to-Coast speed, (average speed) was Mach 3 what would the Dash speed be?
Been Cyphering about terminal velocity. Finally remembered from High School Physics that an object will fall at 32 ft per second per second, but that is in a vacuum, so I could not even come up with a dumb answer. There are too many variables. That is my 2 cents, Black Bart
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delta2477a
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Post by delta2477a on Aug 6, 2007 7:46:26 GMT 9
To Black-Bart: you are for the most part, correct about 32 ft/sec^2 only truly working in a vacuum... drag resistance will eventually put limits on that. Technically even in space there would be a limit -- the speed of light!
Regarding the flatulentanium statement -- I never knew you could make farts into metal! (j/k)
Still, unobtainium is a term used for a metal who's properties do not exist (either ever, or currently). I've heard it used many times before
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Post by Cougar on Aug 8, 2007 12:31:21 GMT 9
Regarding the flatulentanium statement -- I never knew you could make farts into metal! (j/k) Thets only cuz ya ain't never ben round no airman drinkin cheep beer an eatin sardines, hard-boiled eggs, and pickled pigs feet. When ya pull the pin on er itl heat a blast furnace enuf ta turn steel inta unobtainium.
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delta2477a
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Post by delta2477a on Aug 16, 2007 11:32:07 GMT 9
Nah Cougar, you need to light a match in the presense of flatulentanium first to produce the aforementioned blast-furnace heat
Delta2477A
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Post by Cougar on Aug 18, 2007 7:16:41 GMT 9
Nah Cougar, you need to light a match in the presense of flatulentanium first to produce the aforementioned blast-furnace heat Delta2477A Negative Delta, should you ever find yourself in the presents of airman drinkin cheep beer an eatin sardines, hard-boiled eggs, and pickled pigs feet you'll learn that matches ain't required .
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Post by lindel on Aug 18, 2007 10:41:00 GMT 9
That was always good on the midshift's friday "night" (Dayshift's friday morning!)
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delta2477a
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Post by delta2477a on Aug 25, 2007 19:14:12 GMT 9
I believe this is a quote I've seen online which quite illustrates this...
Mackey: *FART* Kyle: Jesus Christ! Stan: Sick Dude! Mackey: "I had a steak-wrapped with bacon last night! hehehehehhehehehehe"
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