Russia: The hole in the ISS Soyuz lifeboat – was it the crew wot dunnit? The whodunnit over the hole in one of the International Space Station's Soyuz lifeboats took a lurch for the surreal this week as reports in Russian media suggested a US astronaut may have deliberately drilled it so the crew could return home. We'll just let that sink in for a moment. The report said that an American …
On earth, you can use a power drill because your mass is pushed down by a large gravitational field which allows one to maintain their position with minimal effort.
In orbit in microgravity, were you to try and tighten or loosen a bolt with a power drill then the effective mass of the person holding the drill is near zero. What's more likely to rotate when you apply the drill, the bolt or the astronaut?
Some imagination suggests some interesting possibilities. If they do have a tool designed for that sort of purpose then i'd expect that it's going to be designed to be suction clamped to the surface to preclude it rotating the astronaut, but that itself would preclude the damage shown in the previous picture...
who was trying to plug a leak by drilling down to where the leak was so he could put some kind of leak-stopping material in there. the hole would've been considered 'benign' and apparently it was covered up so it couldn't easily be seen.
Then, the patch that was made on Earth failed, causing the recent leakage. Their fix was kinda like what I propose the original fix was - inject something into the hole to stop the leak, and cover it up.
Occam's razor in this case.
(not nearly as interesting as snarking all over it and pointing fingers and conspiracy theories)
They used to use velcro ... until Apollo 1
They still use Velcro in space. The role of Velcro in ISS sandwich making
"It's like The Reg are paying a small fortune for a shutterstock account so they have to make the best use of it, and always come up with these shitty fucking condescending images."
It sure beats images linked to/from Twitter.
Some of us have Twitter and other social media blocked on our devices.
"It's like The Reg are paying a small fortune for a shutterstock account so they have to make the best use of it, and always come up with these shitty fucking condescending images."
A while ago, a Reg job advert had selecting and sourcing these images as part of the job description. I'm not sure if that post as been filled yet or not.
Personally I'm of the school of thought that if the picture is not directly related to the article, don't put one there at all.
What kind of manufacturing process for a spaceship requires holes to be drilled in it with hand tools? Surely everything's pre-drilled these days? I know they're basically hand-built, due to low volumes made. But as the design hasn't changed that much, you'd have thought there'd be tooling for banging out the individual parts.
Or is it like flat-pack furniture from the 80s. Where you got badly drawn instructions tellling you what sizes of drill bits and screwdrivers you needed, and you had to bodge it yourself.
At least Ikea put a stop to that - despite using the cheapest, greyest toilet-roll-iest paper and keeping the drawings impossible to read.
The linked Russian media article says the repair was done with medical gauze & sealant .....
Then again, it also has a classic, paraphrasing : "we've asked the Americans for these records, but they're personal /private medical records, so we probably won't get them, but if we don't get them we'll know the Americans are hiding things from us and then there will be no need for us to ask any more questions (about whether the Americans did this)."
Oh Spartacus... Dont let me tell you some of the stories i know from the aerospace world - you might never fly again! Lets put it this way, mistakes happen. When they happen, the technician writes up a concession, an engineer designs a fix, and the technician applies the fix and everyone moves forward.
If there's an aircraft out there without at least a 1000 concessions on it (for all sorts of things, holes drilled in the wrong spot is just the easiest one), then I'll eat my hat... The Space biz, is no different...
But dont worry, your still safe to fly... probably... ;)
Not to mention: how do you hold the drill against the surface in the first place? On earth we have our own weight combined with friction on the floor. In space, it must be much more complicated to anchor oneself properly.
One other consideration: the tiny hole in the craft would need to be dealt with eventually. If someone really drilled the hole while in space, the tiny flakes of metal floating around would be my bigger concern. Inhaling those would not be fun.
Okay people, ask yourself the question: when I'm using a drill, does it rip my wrist off? Because that's where the force is going to be greatest (see Archimedes). If you don't feel it's actually in danger of spinning you round if you don't brace your stance for it then it's not going to be that much more difficult in space. You have a pretty big moment of inertia about point about shoulder level compared to a drill bit (spinning up freely) and the torque from friction is proportional to its (small) diameter.
If you're dealing with some monster two-handed masonry thing then yes, you have to make more effort, but again, if your arms can provide the counter-force where the leverage is shortest, your legs and the rest of your body can certainly provide it at a longer distance.
this problem was solved in the 1960's during the Gemini program. They also had a drill-operated wrench, if I remember correctly. the back story, as I recall, was that they put a test rig filled with typical operations like turning wrenches and screwdrivers and using a drill into the back end of a gemini capsule where it had an equipment space set up for this kind of thing. An astronaut went outside in a suit and tried to do all that, but failed miserably. Then NASA came up with a brilliant plan of using a swimming pool to simulate zero gravity [which they've been doing ever since]. They rehearsed the mission, and tried it again, this time successful.
Anyway, a bit of NASA history from the dark spider-webbed recesses of my mind.
also mentioned (sort of) here
The swimming pool helped them 'get it right' with Gemini XII
So, according to Popular Mechanics, April edition 1964, they overcame the problem of reactive torque by designing a tool for the Gemini missions where the motor and motor casing rotated freely and were not locked to the tools framework it seems.
On the debris question, the answer is surprisingly low-tech and is basically "shaving foam around the area".
I don't think that's an either-or question.
The torque force generated by the drilling will be equal in both the driller and drillee. If the resistance to that torque is equal on both sides, then both sides will spin. One would assume, though, that someone drilling a hole in the hull of the station would brace themselves against the station -- so the torque would have no net effect on the spin of the driller (or the station) at all.
The interior has all manner of equipment running with fans for cooling. It also has constant air circulation systems. In short, there's plenty of background noise.
Remember that with no (or negligible) gravity, heat doesn't rise (which way is up, anyway) so everything needs forced cooling. Similarly, there are fans in the sleeping quarters so that the astro/cosmonauts don't die of oxygen deficiency through inhaling the same air over and over again.
There's also plenty of padding on the walls (so people don't hurt themselves too much as well as for thermal insulation), so the sound will be deadened that way.
The ISS interior is quite noisy. Here's a discussion (and link to a recording of the noise): https://www.geek.com/geek-cetera/on-the-iss-no-one-can-hear-you-scream-because-of-the-noise-1533866/
However, things that bump/scrape against the hull of the station are readily detectable by everybody on board, as the structure transmits noise quite well. Astronauts say that they can easily hear/feel the motions of their colleagues engaging in spacewalks on the outside of the station.
I'm guessing that nobody can drill anything attached to the hull without everyone else knowing about it.
Well it would have held a tad more weight if people who live in Russia hadn't claimed to be deterred from a ten minute walk by half an inch of snow and some slush!
I'm prepared to believe that foreigners might be terrified by trying to organise a barbeque in some of the weather we get in August, or by Scottish midges. Maybe even the appalling horror of leaves on the line. But not our arctic blasts of snow...
Russia has made pretty bullish noises about dumping the ISS supply contract next year.
Meanwhile the quality of the more recent Soyuz craft has been coming under criticism.
If you wanted to dump an undesirable contract, what better way to erode confidence than to encourage bad quality and follow that up by sticking a spanner drill in the works?
This sort of thing is par for the course.
There was a Proton that crashed because an accelerometer was installed upside down. You say "why don't they make the bracket so you can't install it upside down?"
Well, they did, and the worker just used a bigger hammer. Literally.
Also, there was a recent grounding of Russian rockets because the engine supplier had used a cheaper metal that wouldn't withstand launch, so they had to go through and inspect and replace all the engines.
I could post 10 or 15 more, and those are the ones I know of, way over here in America, so I'm sure there's dozens more I don't know about.
I'm 100% certain some tech did an oops and said "just JB weld that fucker" because actually admitting the error and getting it done proper would probably mean he'd lose his job.
"actually admitting the error and getting it done proper would probably mean he'd lose his job."
If that's true, that's a very, very serious failure of management. Literally everyone ever born makes mistakes. You want to encourage people to admit and correct them rather than hide them, especially in mission-critical situations.
Proper management would not be encouraging the fear of job loss for admitting mistakes. They would be encouraging the fear of job loss for covering up mistakes.
If that's true, that's a very, very serious failure of management. Literally everyone ever born makes mistakes. You want to encourage people to admit and correct them rather than hide them, especially in mission-critical situations.
However, it would be a relatively accurate description of, say, the USSR under Stalin. (Or, for balance, plenty of other times and places, see Challenger for example, not exactly a blatant denial of mistakes---Feynman eventually got it---so much as an institutional unwillingness to admit that anything could be wrong, but somewhere on the same scale.)
The hole was drilled from the inside, the bit skipped 15-20mm along the surface before biting, and the leak started while all the astronauts were asleep.
So either a crew member managed to get up and drill the hole during a sleep cycle without Mission Control or any other crew member noticing, or it happened during manufacture and somebody slapped a patch on it that started leaking a few months later.
The visible hole wasn't in the pressure hull either.
All the sane money is on a manufacturing defect in the pressure hull, and they drilled the hole to access the defect and squirt gunk over it.
Which eventually failed.
If roscosmos didn't have a totally disastrous management style, this would have been documented and known to NASA, they probably would have used the right kind of gunk so it wouldn't have leaked in the first place, and even if it had, the ISS crew would have been able to go straight to the leak and fix it immediately instead of searching for a few hours.
So yes, drilled on the ground.
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