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Old 06-22-2023, 03:06 PM   #581
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I'd be pooping bricks if I was an engineer that worked on the design and pressure envelope rating of that thing. It isn't easy to do, but with the proper QC checks you should be able find defects well in advance of failure.
Stockton Rush fired the engineer who tried to get specifications and safety ratings for the Titan. The engineer got stonewalled trying to find specs for the window they ordered and eventually discovered the vendor only certified it to half the depth that OceanGate was taking it down to. He raised the alarms and got fired.
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Old 06-22-2023, 03:10 PM   #582
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Spoiler!
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Old 06-22-2023, 03:10 PM   #583
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https://www.dailymail.co.uk/news/art...Titan-sub.html

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'It’s acrylic – plexiglass,' Rush tells Estrada after being asked what the window mounted at the front of the Titan vessel is made of.

'It is seven inches thick and weighs about 80lbs. And when we go to the Titanic, it will squeeze in about three-quarters of an inch and just deforms,' he explains.

'And acrylic is great because before it cracks or fails, it starts to crackle so you get a huge warning if it’s going to fail.'
This is the window that he could have got fitted and rated for 4000 meters, but cheapened out on and instead opted for the 'good enough' 1500 meter rated one. I bet this window simply got squeezed in and caused the catastrophic failure, it was the weakest element of the sub.



Still...watching the video, I can certainly see why people would want to do this trip, despite the risks. Unfortunately, the person who made this possible cut every corner possible and cheapened out anywhere he could, and thus 5 more people have joined the Titanic.
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Old 06-22-2023, 03:18 PM   #584
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Old 06-22-2023, 03:26 PM   #585
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“You know, there’s a limit. At some point safety just is pure waste. I mean if you just want to be safe, don’t get out of bed. Don’t get in your car. Don’t do anything. At some point, you’re going to take some risk, and it really is a risk/reward question. I think I can do this just as safely by breaking the rules.”
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Lesson learned! Well, it would be lesson learned if his tiny brain could comprehend it.
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Old 06-22-2023, 03:30 PM   #586
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https://www.dailymail.co.uk/news/art...Titan-sub.html



This is the window that he could have got fitted and rated for 4000 meters, but cheapened out on and instead opted for the 'good enough' 1500 meter rated one. I bet this window simply got squeezed in and caused the catastrophic failure, it was the weakest element of the sub.



Still...watching the video, I can certainly see why people would want to do this trip, despite the risks. Unfortunately, the person who made this possible cut every corner possible and cheapened out anywhere he could, and thus 5 more people have joined the Titanic.
I saw a delicate look fish swimming on the seabed in that video. I'm amazed that there are species that evolved to survive at pressures that can crush carbon fiber and titanium.
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Old 06-22-2023, 03:33 PM   #587
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So a bunch of rich dudes decided to spend a fortune to go down a see the consequences vast wealth and hubris had on shipbuilding and then perished as a consequence of their vast wealth and hubris in an equally crappy boat, ironic really
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Old 06-22-2023, 03:34 PM   #588
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So a bunch of rich dudes decided to spend a fortune to go down a see the consequences vast wealth and hubris had on shipbuilding and then perished as a consequence of their vast wealth and hubris, ironic really
Yeah, but at least the Orcas got to try Five Guys for dinner.
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Old 06-22-2023, 03:37 PM   #589
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I saw a delicate look fish swimming on the seabed in that video. I'm amazed that there are species that evolved to survive at pressures that can crush carbon fiber and titanium.
I think part of it is due to incremental changes to pressure. That's what we do with submarines and balance out the pressure and that's why they don't implode or explode. That's also why I assume the wreck of the Titanic isn't flat due to incremental change in pressure vs rapid change in pressure as it sank to the bottom of the ocean.

I think some of these fish would straight up explode too if you rapidly changed the pressure at sea level vs the pressure at 1500-4000 feet. But change the pressure incrementally, I think they'd be intact above water.
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Old 06-22-2023, 03:37 PM   #590
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So a bunch of rich dudes decided to spend a fortune to go down a see the consequences vast wealth and hubris had on shipbuilding and then perished as a consequence of their vast wealth and hubris in an equally crappy boat, ironic really
Visiting the Titanic in a submersible called the Titan no less.
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Old 06-22-2023, 03:38 PM   #591
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https://www.dailymail.co.uk/news/art...Titan-sub.html



This is the window that he could have got fitted and rated for 4000 meters, but cheapened out on and instead opted for the 'good enough' 1500 meter rated one. I bet this window simply got squeezed in and caused the catastrophic failure, it was the weakest element of the sub.



Still...watching the video, I can certainly see why people would want to do this trip, despite the risks. Unfortunately, the person who made this possible cut every corner possible and cheapened out anywhere he could, and thus 5 more people have joined the Titanic.
To me the window might have been designed to X rather than certified to X and that might not actually be an issue it could be. To me the crazier thing coming out of that lochridge lawsuit was

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Lochridge was particularly concerned about “non-destructive testing performed on the hull of the Titan” but he was “repeatedly told that no scan of the hull or Bond Line could be done to check for delaminations, porosity and voids of sufficient adhesion of the glue being used due to the thickness of the hull.” He was also told there was no such equipment that could conduct a test like that.
That is just nuts to do no testing after your model showed this area was at risk.

https://newrepublic.com/post/173802/...avel-oceangate
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Old 06-22-2023, 03:40 PM   #592
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Yeah, but at least the Orcas got to try Five Guys for dinner.
These jokes about the tragedy have sunk to a new low.
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Old 06-22-2023, 03:42 PM   #593
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These jokes about the tragedy have sunk to a new low.
Yes, I know, I am going to hell in gasoline panties....
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Old 06-22-2023, 03:43 PM   #594
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Can you guys please take this submarine/cruise ship conversation to its own thread so we can focus on wealth inequality?
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Old 06-22-2023, 03:50 PM   #595
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I think part of it is due to incremental changes to pressure. That's what we do with submarines and balance out the pressure and that's why they don't implode or explode. That's also why I assume the wreck of the Titanic isn't flat due to incremental change in pressure vs rapid change in pressure as it sank to the bottom of the ocean.

I think some of these fish would straight up explode too if you rapidly changed the pressure at sea level vs the pressure at 1500-4000 feet. But change the pressure incrementally, I think they'd be intact above water.
It's not due to incremental changes, it's because the pressure is equalized. So the wreck of the Titanic has significant water pressure on it, but it's from all sides so there's no real force being exerted on it. Whereas a sub that has air in it has a massive pressure differential between the interior and exterior that the hull needs to withstand.
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Old 06-22-2023, 03:58 PM   #596
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I wonder if someone messed with the Disney+ algorithm. I just logged in and the first recommendation is "Life Aquatic" and the top comedy recommendation I have is for "Down Periscope"
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Old 06-22-2023, 04:02 PM   #597
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Interesting thread to read on the differences between Titan and a submersible like the Deepsea Challenger:

https://twitter.com/user/status/1671700989429297152
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Old 06-22-2023, 04:03 PM   #598
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Oh and this is coming out now too:

https://twitter.com/user/status/1671996964622442497
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Old 06-22-2023, 04:08 PM   #599
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Maybe a bit of a veiled warning to Russia that we (NATO) have uber advanced tech compared to them.
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Old 06-22-2023, 04:12 PM   #600
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Maybe a bit of a veiled warning to Russia that we (NATO) have uber advanced tech compared to them.
So basically the space race all over again. Space Race 2: Deep Sea Edition
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