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Started By
Message
re: Titanic tourist submarine goes missing
Posted on 6/23/23 at 6:57 am to SCgamecock2988
Posted on 6/23/23 at 6:57 am to SCgamecock2988
quote:
Can you imagine what it smells like in there right now?
Salt water?
0
Posted on 6/23/23 at 6:59 am to PJinAtl
quote:
wonder if that is one of the reasons that military subs operate at depths of less than 2,000 feet
I'm sure it is one of a shitload of reasons. I think solid drop ballast is your only option at those pressures.
My comment wasn't 100% accurate. I'm sure someone will offer a detailed explanation. I'm not sure what gas they use to blow ballast tanks, but if it were oxygen it wouldn't be liquid.
I guess technically you COULD blow a ballast tank at 6,500psi of static pressure with the right gas at an assload of pressure, but it wouldn't be a simple thing to do.
Posted on 6/23/23 at 6:59 am to UncleFestersLegs
Posted on 6/23/23 at 7:05 am to Dick Jacket
quote:
With the reports that there was some issue causing them to descend too rapidly, is there a theory that they hit the sea bed with enough force to disrupt the structural integrity of the pressure capsule, or are they thinking they imploded before ever reaching the bottom?
pretty sure they were taking on water because of a hull breach and that was causing the rapid descent, and since they only found parts of the craft at the bottom it definitely imploded prior to hitting the sea floor
Posted on 6/23/23 at 7:06 am to UncleFestersLegs
quote:
they lost comms on a previous descent and got lost but nobody
Sorry, not Cameron Crowe. I meant James Cameron. It wasn't just the comms that made him realize it they also lost tracking simultaneously.
James Cameron talks about Ocean Gates Titan tragedy
Posted on 6/23/23 at 7:08 am to DownshiftAndFloorIt
The rated air pressure of the CO’s air flask on a sub is a classified number. Damn sure won’t be posted here.
Posted on 6/23/23 at 7:09 am to Henry Jones Jr
quote:
That reminds me, have any of you heard of the Byford Dolphin incident?
Had one of my huet trainers show us some pics. They didn’t look like people anymore.
Posted on 6/23/23 at 7:11 am to DownshiftAndFloorIt
quote:
I'm not sure what gas they use to blow ballast tanks, but if it were oxygen it wouldn't be liquid.
It is just high pressure air.
Posted on 6/23/23 at 7:12 am to sicboy
If they were taking on water as a gradual process, there would have been an eventual pressure equalization and no implosion.
Posted on 6/23/23 at 7:13 am to YNWA
quote:
What Happens to the Human Body at Titanic Depths
Posted on 6/23/23 at 7:15 am to YNWA
Sure it wasn't Kurt Cameron?
Posted on 6/23/23 at 7:19 am to MadDogs
Ok, I was very wrong then. I assumed they had bottles of liquid CO2 or something for doing that.
In that case if you had high enough pressure air and a system that could manage to actually get it into the ballast tank it theoretically could work at any depth.
I'll study up on that. There's got to be some point where the flask would become a cryo flask when opened against the high static pressure and basically the pipe and flask would become a distillation column and wouldn't really work.
In that case if you had high enough pressure air and a system that could manage to actually get it into the ballast tank it theoretically could work at any depth.
I'll study up on that. There's got to be some point where the flask would become a cryo flask when opened against the high static pressure and basically the pipe and flask would become a distillation column and wouldn't really work.
Posted on 6/23/23 at 7:21 am to Mizzoufan26
quote:
It’s amazing how smart some of you are
Well, I was wrong
Seems like no matter what gets discussed on here, a few legitimate experts show up.
Posted on 6/23/23 at 7:25 am to Dick Jacket
I'm having a hard time imagining how a tank like that could gradually take on water. Seems like any kind of hull breach would require a serious structural failure and thus, implosion.
Posted on 6/23/23 at 7:25 am to sicboy
quote:wow.
pretty sure they were taking on water
Yea they took on water for sure.
Quite rapidly.
In a space of time In perhaps the neighborhood of 500 milliseconds
There’s no scenario where there is some sort of hull breach and then everybody looks around and says oh no what can we do? If that’s what you think then you should probably ponder the effects of water pressure at those depths on anything that has some sort of void in it.
Posted on 6/23/23 at 7:28 am to DownshiftAndFloorIt
I don’t think it did either. Based on the spotty reporting about them having some issue of too rapid of a descent and an inability to control that through ballast, one reasonable hypothesis (to this layman) is that they made it to the bottom faster than expected, hit bottom too hard, and that force instantaneously compromised the structural integrity of the capsule and caused the catastrophic implosion.
Posted on 6/23/23 at 7:30 am to DownshiftAndFloorIt
Wait until you look up why the USS Thresher couldn’t complete its emergency blow.
Since the Thresher, the changes made in procedures following a loss of power, engineering plant changes made to ensure a blow will happen, and the creation of SUBSAFE (which all of you plant baws should be thankful for, your safety comes directly from SUBSAFE policy and it’s overhaul of QA/QC) have ensured no other US sub has sunk since. Except the Scorpion… but that was an entirely different situation
Since the Thresher, the changes made in procedures following a loss of power, engineering plant changes made to ensure a blow will happen, and the creation of SUBSAFE (which all of you plant baws should be thankful for, your safety comes directly from SUBSAFE policy and it’s overhaul of QA/QC) have ensured no other US sub has sunk since. Except the Scorpion… but that was an entirely different situation
Posted on 6/23/23 at 7:33 am to wallowinit
James Cameron said he knew Monday they were toast and apparently they were at 3500 feet down when it happened
Tiktok Video
He also said they shouldn't have been doing what they were doing. Said a composite sub-material instead of contiguous material like steel was a horrible idea.
This is James Cameron's sub that cost $10 million and has been to Titanic 33 times
Tiktok Video
He also said they shouldn't have been doing what they were doing. Said a composite sub-material instead of contiguous material like steel was a horrible idea.
This is James Cameron's sub that cost $10 million and has been to Titanic 33 times
Posted on 6/23/23 at 7:38 am to stout
Notice how his hull is one whole piece of titanium in the shape of an egg. The Titan was 3 pieces, two titanium end caps glued to a carbon fiber tube
Posted on 6/23/23 at 7:39 am to Dick Jacket
They imploded a good bit before they hit the bottom so don’t worry bout that theory
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