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Posted on 6/21/23 at 9:41 am to LegendInMyMind
And the most dP that could have been involved is 30" hg which is complete vacuum at sea level ATM. About 14.5 psi. I doubt it pulled down nearly that hard before collapsing though.
The submersible at the bottom would be something like 5,800psi pressure differential. I doubt they made it nearly that deep, but that gives you an idea of the immense force involved if the tube decided to let go.
For quick and dirty numbers, if the tube were 6' in diameter and 10' long, it would have an area (ignoring the ends) of about 13,571 square inches. At the bottom, that would mean there's a total of 78,715,745 pounds of force trying to squeeze that tube into a noodle.
Absolutely amazing amounts of force involved when you sink what amounts to a vacuum tube that deep in the water.
Eta: I'm stupid. Put the volume first..... it's fixed niw
The submersible at the bottom would be something like 5,800psi pressure differential. I doubt they made it nearly that deep, but that gives you an idea of the immense force involved if the tube decided to let go.
For quick and dirty numbers, if the tube were 6' in diameter and 10' long, it would have an area (ignoring the ends) of about 13,571 square inches. At the bottom, that would mean there's a total of 78,715,745 pounds of force trying to squeeze that tube into a noodle.
Absolutely amazing amounts of force involved when you sink what amounts to a vacuum tube that deep in the water.
Eta: I'm stupid. Put the volume first..... it's fixed niw
This post was edited on 6/21/23 at 9:45 am
Posted on 6/21/23 at 9:42 am to DownshiftAndFloorIt
Posted on 6/21/23 at 9:43 am to DownshiftAndFloorIt
quote:
For quick and dirty numbers, if the tube were 6' in diameter and 10' long, it would have an area (ignoring the ends) of about 195,000 square inches. At the bottom, that would mean there's a total of 11,725,931,748 pounds of force trying to squeeze that tube into a noodle.
I was told there would be no math!
Posted on 6/21/23 at 9:45 am to LCA131
I fixed it. I knew that number looked way too big....
In my defense, I'm multitasking and using my phone calculator.
It gives you an idea of what would happen if it failed. It wouldn't collapse like that rail car. It would cease to exist. It would be an extremely violent event, especially with carbon fibers lack of flexibility. I think the plot from earlier shows that pretty readily. It's probably a lot more violent than say a depth charge going off.
That rail car probably collapsed at what amounts to several INCHES of water column pressure differential. We are talking 13,000 FEET of water column with this souped up carbon fiber can these poor people were in, though it probably imploded well before reaching that depth.
In my defense, I'm multitasking and using my phone calculator.
It gives you an idea of what would happen if it failed. It wouldn't collapse like that rail car. It would cease to exist. It would be an extremely violent event, especially with carbon fibers lack of flexibility. I think the plot from earlier shows that pretty readily. It's probably a lot more violent than say a depth charge going off.
That rail car probably collapsed at what amounts to several INCHES of water column pressure differential. We are talking 13,000 FEET of water column with this souped up carbon fiber can these poor people were in, though it probably imploded well before reaching that depth.
This post was edited on 6/21/23 at 9:51 am
Posted on 6/21/23 at 9:54 am to DownshiftAndFloorIt
quote:
There is just one button - to turn the sub on, screens on the wall and a small porthole window at the front for viewing the ocean depths and - should the mission be a success - the Titanic's wreck outside.
So they go down there and still view the thing on screens?
This post was edited on 6/21/23 at 9:55 am
Posted on 6/21/23 at 10:04 am to Captain Crackysack
quote:
According to AIS tracking, the Skandi Vinland is also in the area. That’s a subsea construction vessel operated by DOF Subsea. Has multiple ROVs and a knuckle boom crane that could definitely resurface that sub if they can find it
LINK
Skandi Vinland arrived on scene and deployed its ROVs.
Posted on 6/21/23 at 10:06 am to Captain Crackysack
Democrats- “bUt wHaT aBoUt tHe 300 mIgRaNTs lOsT oFf tHe cOaSt oF gReEcE”
Posted on 6/21/23 at 10:07 am to Athis
quote:ESG, Under the Sea... forever
The CEO of OceanGate, which is operating the missing Titanic tourist submarine, explains that the company didn’t want to hire any experienced “50 year old white guys” because they weren’t “inspirational.”
Posted on 6/21/23 at 10:09 am to Damone
quote:at that depth. They would probably never know it happened. It would be instant
question is if the tube was compromised, would there have been time for the occupants to realize it or would a tiny rupture have immediately destroyed everything in a split second?
Posted on 6/21/23 at 10:10 am to Captain Crackysack
quote:
Skandi Vinland
Reminds me of the Olympic Intervention I used to work on in the gulf.
Posted on 6/21/23 at 10:13 am to tigerfoot
quote:
at that depth. They would probably never know it happened. It would be instant
their brains might register the initial sound but that would be fleeting as they were crushed to a pulp in an instant
12,500 feet down is twice the depth of the grand canyon
Posted on 6/21/23 at 10:14 am to billjamin
quote:
Reminds me of the Olympic Intervention I used to work on in the gulf.
The Vinland is under long term charter with Husky Energy to support their offshore fields off the coast of Newfoundland. Most of the subsea boats capable of diving ROVs that deep are sitting in Port Fourchon right now so, if they are still alive, it’s a good thing this boat was working up there
Posted on 6/21/23 at 10:14 am to Captain Crackysack
Bad arse vessel
Posted on 6/21/23 at 10:15 am to billjamin
Those big PSVs are awesome boats. I've been on a big arse Skandi boat but I can't remember if it was that one or not. They've got a buttload of em
Posted on 6/21/23 at 10:16 am to supatigah
quote:
12,500 feet down is twice the depth of the grand canyon
The grand canyon is above sea level... negative depth, duh
Posted on 6/21/23 at 10:17 am to Meauxjeaux
thanks
Posted on 6/21/23 at 10:17 am to Captain Crackysack
quote:
Skandi Vinland
She's a beaut
Posted on 6/21/23 at 10:18 am to supatigah
quote:
12,500 feet down is twice the depth
MORE math!!!
quote:
that would be fleeting as they were crushed to a pulp in an instant
More drama!!
I floated the Colorado through the Grand Canyon in a flimsy rubber raft... Nothing happened at all.
You people...
Posted on 6/21/23 at 10:25 am to DownshiftAndFloorIt
quote:
I fixed it. I knew that number looked way too big....
Haven't read everything in this thread, but at 12,000 feet, the pressure would be about 66,000 pounds per square inch?
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