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Posted: 1/23/2021 7:17:24 AM EDT
[#1]
Audrey, come here. Give me your gum.
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Posted: 1/23/2021 7:43:48 AM EDT
[#2]
Quote HistoryQuoted: Flex seal to the rescue 
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Posted: 1/23/2021 7:45:26 AM EDT
[#3]
 WD 40 in Gran Torino |
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Posted: 1/23/2021 7:49:21 AM EDT
[#4]
Quote HistoryQuoted: Shitty thing to say, but even if it was catastrophic and everyone died.....  Rrmember the thread earlier about "Things a lot of people care about that you don't", well outer space and its exploration is one of mine. To me it is only good for cool pictures. Only thing I would say is "condolences to your families." Don't worry, the Green New Deal will take care of it for you. |
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Posted: 1/23/2021 7:50:51 AM EDT
[#5]
Quote HistoryQuoted: Did somebody say ISS?? I thought I heard Somebody say ISS... https://live.staticflickr.com/812/26168657827_d4ae3d8795_b.jpgISS Transit 20180326 by FredMan, on Flickr https://live.staticflickr.com/4277/35227282555_4d2fd43f5d_b.jpgISS by FredMan, on Flickr https://live.staticflickr.com/4771/40920716812_63d9d3cc51_b.jpgISS Transit 20180322 by FredMan, on Flickr https://live.staticflickr.com/65535/49473898098_568b7161d9_b.jpgISS Transit 20200201 Stack_ by FredMan, on Flickr Gorgeous house on a gorgeous piece of property. |
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Posted: 1/23/2021 7:56:17 AM EDT
[#6]
GIVE THE PEOPLE AIR!!!!!!
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Posted: 1/23/2021 7:58:44 AM EDT
[#7]
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Posted: 1/23/2021 8:03:45 AM EDT
[#8]
Quote HistoryQuoted: A few years ago, didn't someone accidentally punch a hole in the skin and do the equivalent of putting a poster over the hole and not tell any one? ETA: found the article, from 2018https://www.smithsonianmag.com/smart-news/someone-drilled-hole-international-space-station-180970208/ Quote HistoryQuoted: A few years ago, didn't someone accidentally punch a hole in the skin and do the equivalent of putting a poster over the hole and not tell any one? ETA: found the article, from 2018https://www.smithsonianmag.com/smart-news/someone-drilled-hole-international-space-station-180970208/ Instead, they suggest the craft was damaged during testing at the Baikonur Cosmodrome in Kazakhstan after passing initial safety checks, and someone hastily covered up the mistake. The sealant they used to cover the hole could have then dried up and fallen off after the craft reached the ISS. I thought they found shavings when they found the hole indicating it was done in space. Probably another story that us plebes will never hear the true version. |
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Posted: 1/23/2021 8:05:19 AM EDT
[#9]
does this mean Ann Margret isn't coming?
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Posted: 1/23/2021 8:21:57 AM EDT
[#10]
Quote HistoryQuoted: Damn, Biden will make it better. By having our astronauts hitch rides to the ISS exclusively on Soyuz craft again... |
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Posted: 1/23/2021 8:23:02 AM EDT
[#11]
Quote HistoryQuoted: Shitty thing to say, but even if it was catastrophic and everyone died..... Rrmember the thread earlier about "Things a lot of people care about that you don't", well outer space and its exploration is one of mine. To me it is only good for cool pictures. Only thing I would say is "condolences to your families." (Removed, CoC-6, personal attack-guns762 ) |
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Posted: 1/23/2021 8:28:04 AM EDT
[#12]
anything in space is
a helicopter. |
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Posted: 1/23/2021 8:33:46 AM EDT
[#13]
Full temp cycle every 90 minutes. That got to fatigue some
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Posted: 1/23/2021 8:36:33 AM EDT
[#14]
Quote HistoryQuoted: Time for the handy man's secret weapon. Duct tape! Pffft duck tape... this is 2021! 
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Posted: 1/23/2021 8:39:24 AM EDT
[#15]
Quote HistoryQuoted: Time to man the bilge pumps Quote HistoryQuoted: Quoted: All ships are in a constant state of sinking. Just have to fight it as much as possible. So really, not surprised. Same concept. Time to man the bilge pumps Pump more air out? |
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Posted: 1/23/2021 8:42:55 AM EDT
[#16]
Quote HistoryQuoted: Full temp cycle every 90 minutes. That got to fatigue some yea. The leak is whatever. The crack causing the leak may be a greater cause for concern. I doubt there are many repair options in space to stop it from growing if it propagated. |
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Posted: 1/23/2021 9:39:53 AM EDT
[#17]
Better fix that.
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Posted: 1/23/2021 9:43:34 AM EDT
[#18]
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Posted: 1/23/2021 10:05:44 AM EDT
[#19]
Quote HistoryQuoted: Flex Tape over JB Weld. I would prefer this, works under water and you can smooth it out with water  |
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Posted: 1/23/2021 10:09:31 AM EDT
[#20]
Quote HistoryQuoted: Did somebody say ISS?? I thought I heard Somebody say ISS... https://live.staticflickr.com/812/26168657827_d4ae3d8795_b.jpgISS Transit 20180326 by FredMan, on Flickr https://live.staticflickr.com/4277/35227282555_4d2fd43f5d_b.jpgISS by FredMan, on Flickr https://live.staticflickr.com/4771/40920716812_63d9d3cc51_b.jpgISS Transit 20180322 by FredMan, on Flickr https://live.staticflickr.com/65535/49473898098_568b7161d9_b.jpgISS Transit 20200201 Stack_ by FredMan, on Flickr Awesome pics. I had no idea it moved that fast across the sky. |
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Posted: 1/23/2021 10:23:01 AM EDT
[#21]
Quote HistoryQuoted: Did somebody say ISS?? I thought I heard Somebody say ISS... https://live.staticflickr.com/4277/35227282555_4d2fd43f5d_b.jpgISS by FredMan, on Flickr @FredMan Okay how did you get the one of the ISS with the starry black background? Fixed mount telescope? |
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Posted: 1/23/2021 10:35:49 AM EDT
[#22]
Quote HistoryQuoted: Awesome pics. I had no idea it moved that fast across the sky. |
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Posted: 1/23/2021 10:37:14 AM EDT
[#23]
Quote HistoryQuoted: @FredMan Okay how did you get the one of the ISS with the starry black background? Fixed mount telescope? Handheld D500 with a 600mm lens. Shoot on continuous high, take enough frames, and one or two will be fairly sharp. It's lit by the sun. It's orbital altitude (~220 miles) is high enough that it can be in sun while it's dark on the ground. |
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Posted: 1/23/2021 10:37:15 AM EDT
[#24]
Quote HistoryQuoted: Pump more air out?   |
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Posted: 1/23/2021 10:38:31 AM EDT
[#25]
Quote HistoryQuoted: Awesome pics. I had no idea it moved that fast across the sky. Well, it ISA orbiting at about 17,000 mph. Completes an orbit every 90 minutes or so. |
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Posted: 1/23/2021 10:38:34 AM EDT
[#26]
Quote HistoryQuoted: I can just hear the guy in Deep Impact saying "American components, Russian components, all made in |
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Posted: 1/23/2021 10:43:27 AM EDT
[#27]
The place I work at is sending up tanks of breathing air due to the loss of pressure.
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Posted: 1/23/2021 10:46:33 AM EDT
[#28]
Quote HistoryQuoted: This has happened before. Wasn’t there a movie about it?... |
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Posted: 1/23/2021 10:52:15 AM EDT
[#29]
Quote HistoryQuoted: Elon is ready to send up more air, supplies and maybe even some brand new modules.    ...
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Posted: 1/23/2021 11:02:39 AM EDT
[#30]
Quote HistoryQuoted: Flex seal to the rescue That's the first thing I thought! Slap some flex seal tape on that sucker. You're golden! |
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Posted: 1/23/2021 11:06:40 AM EDT
[#31]
Quote HistoryQuoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. Same thing with pressurized aircraft. Eventually, they can get to the point that the pressurization system won't keep up with the leaks, and somebody gets to chase down the leaks and fix them. |
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Posted: 1/23/2021 11:09:20 AM EDT
[#32]
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Posted: 1/23/2021 11:11:57 AM EDT
[#33]
Quote HistoryQuoted: yea. The leak is whatever. The crack causing the leak may be a greater cause for concern. I doubt there are many repair options in space to stop it from growing if it propagated. Quote HistoryQuoted: Quoted: Full temp cycle every 90 minutes. That got to fatigue some yea. The leak is whatever. The crack causing the leak may be a greater cause for concern. I doubt there are many repair options in space to stop it from growing if it propagated. It would be amusing to see an attempt at bucking rivets in microgravity (with a vacuum thrown in for good measure), but I would hope that somebody along the way planned for some sort of scab patch that could be applied (with a sealant) to the inside surface with either some sort of structural fasteners, or structural adhesive. |
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Posted: 1/23/2021 11:16:07 AM EDT
[#34]
Joe will fix it! As soon as he is done fondling that 9 yr old...
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Posted: 1/23/2021 11:20:34 AM EDT
[#35]
I wonder what the fatigue life is for all that aluminum up there. dunno.
I did look up and find that the hull thickness is about 4~5 mm. gah. |
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Posted: 1/23/2021 11:44:14 AM EDT
[#36]
Quote HistoryQuoted: Time for the handy man's secret weapon. Duct tape! JB Weld! |
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Posted: 1/23/2021 11:48:46 AM EDT
[#37]
Quote HistoryQuoted: I can just hear the guy in Deep Impact saying "American components, Russian components, all made in Taiwan!" That was armageddon |
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Posted: 1/23/2021 11:58:44 AM EDT
[#38]
It's just like the scene in Space Cowboys where HAL tells Bruce WIllis, "Luke, we have a hole in the space station"
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Posted: 1/23/2021 12:14:53 PM EDT
[#39]
Quote HistoryQuoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. MRI pressure vessels don't leak. They have to be PERFECT. Seriously, there's an Extreme High Vacuum (XHV) vessel surrounding a vessel full of liquid and gas phase helium, the most leak finding substance known to man. If there is ANY leak between the vessels, even atomic, the vacuum vessel WILL lose vacuum, the liquid helium WILL boil off, and the superconducting magnet WILL quench, creating a wonderfully expensive mess to clean up. An atomic leak will spoil the vacuum to the point of quench within about 2 weeks. MRI systems are meant to remain powered in superconducting persistent state indefinitely. |
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Posted: 1/23/2021 12:18:06 PM EDT
[#40]
Quote HistoryQuoted: I think that's pretty normal. If they're not always leaking *some* air, they are at least occasionally. Or it could be that it's been up there for 20 years, getting hammered on by space debris. Dont forget it gets hammered on by Ivans drills too. |
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Posted: 1/23/2021 12:21:33 PM EDT
[#41]
Quote HistoryQuoted: Flex seal to the rescue I laughed. 
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Posted: 1/23/2021 12:21:59 PM EDT
[#42]
Quote HistoryQuoted: MRI pressure vessels don't leak. They have to be PERFECT. Seriously, there's an Extreme High Vacuum (XHV) vessel surrounding a vessel full of liquid and gas phase helium, the most leak finding substance known to man. If there is ANY leak between the vessels, even atomic, the vacuum vessel WILL lose vacuum, the liquid helium WILL boil off, and the superconducting magnet WILL quench, creating a wonderfully expensive mess to clean up. An atomic leak will spoil the vacuum to the point of quench within about 2 weeks. MRI systems are meant to remain powered in superconducting persistent state indefinitely. Quote HistoryQuoted: Quoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. MRI pressure vessels don't leak. They have to be PERFECT. Seriously, there's an Extreme High Vacuum (XHV) vessel surrounding a vessel full of liquid and gas phase helium, the most leak finding substance known to man. If there is ANY leak between the vessels, even atomic, the vacuum vessel WILL lose vacuum, the liquid helium WILL boil off, and the superconducting magnet WILL quench, creating a wonderfully expensive mess to clean up. An atomic leak will spoil the vacuum to the point of quench within about 2 weeks. MRI systems are meant to remain powered in superconducting persistent state indefinitely. Your statement about the expensive mess to clean up, indicates that they do leak. It's just a question of how often they leak. |
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Posted: 1/23/2021 12:24:50 PM EDT
[#43]
Quote HistoryQuoted: (Removed, CoC-6, personal attack-guns762 ) Quote HistoryQuoted: Quoted: Shitty thing to say, but even if it was catastrophic and everyone died..... Rrmember the thread earlier about "Things a lot of people care about that you don't", well outer space and its exploration is one of mine. To me it is only good for cool pictures. Only thing I would say is "condolences to your families." (Removed, CoC-6, personal attack-guns762 ) |
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Posted: 1/23/2021 12:49:47 PM EDT
[#44]
Quote HistoryQuoted: MRI pressure vessels don't leak. They have to be PERFECT. Seriously, there's an Extreme High Vacuum (XHV) vessel surrounding a vessel full of liquid and gas phase helium, the most leak finding substance known to man. If there is ANY leak between the vessels, even atomic, the vacuum vessel WILL lose vacuum, the liquid helium WILL boil off, and the superconducting magnet WILL quench, creating a wonderfully expensive mess to clean up. An atomic leak will spoil the vacuum to the point of quench within about 2 weeks. MRI systems are meant to remain powered in superconducting persistent state indefinitely. Quote HistoryQuoted: Quoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. MRI pressure vessels don't leak. They have to be PERFECT. Seriously, there's an Extreme High Vacuum (XHV) vessel surrounding a vessel full of liquid and gas phase helium, the most leak finding substance known to man. If there is ANY leak between the vessels, even atomic, the vacuum vessel WILL lose vacuum, the liquid helium WILL boil off, and the superconducting magnet WILL quench, creating a wonderfully expensive mess to clean up. An atomic leak will spoil the vacuum to the point of quench within about 2 weeks. MRI systems are meant to remain powered in superconducting persistent state indefinitely. But, that's not really germane to a discussion about air / space vehicles. |
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Posted: 1/23/2021 12:53:19 PM EDT
[#45]
Quote HistoryQuoted: Same thing with pressurized aircraft. Eventually, they can get to the point that the pressurization system won't keep up with the leaks, and somebody gets to chase down the leaks and fix them. Quote HistoryQuoted: Quoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. Same thing with pressurized aircraft. Eventually, they can get to the point that the pressurization system won't keep up with the leaks, and somebody gets to chase down the leaks and fix them. |
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Posted: 1/23/2021 1:02:19 PM EDT
[#46]
For some reason when I woke up a couple days ago I heard a voice say clear as day.
"The international space station is dying." And it is. It's a kludge of now obsolete technologies. The ECLSS system on the Russian module is a lost technology. The Russians can't make another one even if they wanted to. Either it will be replaced with something much better. Or we suffer the fate of Humanity in Steven Baxter's Manifold Space. Humanity gets dumber and dumberer until we all start devolving into cavemen. But I don't think that's very likely. Much as the communists and defeatists on this site might want it. |
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Posted: 1/23/2021 1:08:46 PM EDT
[#47]
Quote HistoryQuoted: Even when leakage is within spec, when ECS pressurization decides to take nap, things get troublesome. (with respect to air vehicles) (and probably worse for space vehicles; because space; and really, really, really far and fast from home) Quote HistoryQuoted: Quoted: Quoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. Same thing with pressurized aircraft. Eventually, they can get to the point that the pressurization system won't keep up with the leaks, and somebody gets to chase down the leaks and fix them. At one of my past jobs, I was apparently designated as the guy who got stuck with dealing with bleed air problems. On the positive side, it resulted in getting checked out to do ground runs on the turbines, along with some time sitting in the right seat on maintenance flights (trying to duplicate the problem). For space vehicles: redundant systems, spares/repair capability, modular construction (capability to isolate a failed section) and 'lifeboats' seem to be the solution. |
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Posted: 1/23/2021 1:13:23 PM EDT
[#48]
Quote HistoryQuoted: I've had about a gutfull of you, Mr Science Man...  Quote HistoryQuoted: Quoted: News flash. Pressure vessels leak. And leakage rates (effective-area basis) typically increase as time goes on. Air and space vehicles have leakage specs, and leakage is one of the major sustainability issues for vehicles venturing beyond Earth orbit. The Russians are acutely aware of leakage and the consequences. And Americans, and anybody else, would be foolhardy to overlook the broader scope and take the myopic view of this being a Russian problem. I've had about a gutfull of you, Mr Science Man... Yeah! This is GD damn it! Why U bringin' facts and shit in here?
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Posted: 1/23/2021 1:23:58 PM EDT
[#49]
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Posted: 1/23/2021 1:32:50 PM EDT
[#50]
Quote HistoryQuoted: Whatever happened to the dude that was drilling holes in the hull? This guy? 
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