Tourist submarine exploring Titanic wreckage disappears in Atlantic Ocean

[PAE]

Nope trust me no decompression when 6000 psi in sub with them.

Certified NASDS open water diver since 1975.

But then they would've had to deal with some serious decompression coming back up.

 

[Tech Tim]

Nope trust me no decompression when 6000 psi in sub with them.

Certified NASDS open water diver since 1975.

Maybe time to step beyond OW then..... Gas/tissue diffusion happens under pressure.

OW, AOW, EA, AN, DP, ART, CCR Mod 1, Mod 2 and Mod 3 (full trimix). (yeah I know...blah,blah,blah)

 

[Redrider]

Some of the sub part on the wreckage

 

[gt1guy]

I was reading the story on that one. Sounds like he did it right, he went to a company who builds mini subs and they built that one with the intention of it being a prototype for a new class of small commercial deep subs, apparently he wanted to build without windows/viewports and they insisted on them so that they could sell them commercially with the same design.

Aaron Z

Check out the Triton Subs website. They made the DSV Limiting Factor. They have a whole range of subs you can buy.

Triton Submarines - The World's Finest Submersibles

tritonsubs.com

The fucktard that just killed 5 people could have just bought one from a company that actually knew what they were doing. Guess he was too smart to do that.

 

[CDA 455 II]

Some of the sub part on the wreckage

That ring-thingy?

 

[MuntCuffin]

Some of the sub part on the wreckage

Its like a graveyard of arrogance and its victims.

 

[Stingray]

That's a lot of hashtag job titles for 5 gals.

I didn't see dishwasher in there?

 

[Redrider]

That ring-thingy?

The US Coast Guard says the wreckage of the #Titanic bathyscaphe was found 200 meters from the bow of the Titanic.

No mention of what the part is.

 

[PAE]

James Cameron on the doofus that didnt wanna hire 50 year old men, oh yeah and the submersible.

 

[78bronco460]

I wonder what his design team is doing now? Scrubbing their affiliation history with this submarine company?

They’re hiding the cans of Flex Seal at the shop

 

[300sniper]

 

[KarlVP]

These guys are only at 2.5 atmospheres.

 

[gt1guy]

12,500' is somewhere around 400 atmospheres.

Edit: 12,500/33 = 378.79 atmospheres.

Sir, you forgot one.........one atmosphere.

Damn scuba divers

I disagree, he wanted people on the cutting edge of designs, people who think out side the box.Not oh you cannot do it types who are set in there ways. This guy had big money and did not spare expense , the hull was built and tested and there were testing producers in place but think about it though how do come up with procedures with a one of a kind design ? Trial and error comes to mind. Look at the modern materials we use today, there was many failures along the way.

Are you high? This guy is a fucking clown who thought he was smarter than not only everyone in the field but, all the hard learned best practices of staying alive under water. He hired people who didn't have a clue as to what they were doing either. His approach to building a sub was always going to end in killing........customers.

I have a funny feeling his little health monitoring system he came up with for the hull was because he was told there was no way tell if the CF hull integrity had been degraded. Well, his monitoring system didn't work so good.

The list of bad ideas is long and the list of good ideas is empty. Add to that, he just fucked everyone else who might have wanted to build a sub.

I did the opposite when I used to swim at the pool. Take a fully inflated volleyball, hold it tight and jump into the deep end and swim to the bottom (12'?)
It's cool to see the ball collapsing in on itself. Based on that I figure that nothing would come up from the depth they were at, the pressure of the water would overcome any buoyancy, no?

textbook answer:

No. Because as the ball begins to ascend back to the surface, the pressure outside of it decreases and the air in the ball begins to expand. It would return to the surface just as it was.

Reality:

The ball would be destroyed and folded up on itself to the point it would no longer even hold air.

Nope trust me no decompression when 6000 psi in sub with them.

Certified NASDS open water diver since 1975.

How do you plan to get the O2 in the sub down to a .4 PPO2 if you want to blast them to 12000fsw......which happens to be .10%O2?

 

[Yota Up]

If this guy had said "we usually get 20 year old black females for this job but we need inspiration instead", the entire world would hang him as "literally Hitler".

 

[aczlan]

I disagree, he wanted people on the cutting edge of designs, people who think out side the box.Not oh you cannot do it types who are set in there ways. This guy had big money and did not spare expense , the hull was built and tested and there were testing producers in place but think about it though how do come up with procedures with a one of a kind design ? Trial and error comes to mind. Look at the modern materials we use today, there was many failures along the way.there

Which is why the Limiting Factor DSRV that was mentioned earlier (which is actually certified to those depths: DSV Limiting Factor - Wikipedia ) was shipped to Russia to a ultra high pressure testing facility to be 3rd party tested for the pressure found in the deepest point in the ocean.
This imploding tube was not 3rd party tested and they fired the guy who they hired to evaluate it when he threw a fit over them using a 1300M rated window in a sub going to 4000M.

Remember the story about the radio guy who had truckloads of feds come to his house and dig up the antenna he buried in his yard because it was interfering with submarine communications?
I think it was an art bell story so could be bs.

Interesting, will have to dig into it.

Aaron Z

 

[rockmup]

I wonder if it what part failed. The viewing port, the carbon , the titanium hull ends, the bond between the carbon and the end pieces. Maybe some sort of pass through in the carbon?

It was either the shell where it had been damaged while trying to manually dock or the connection between the ends and the body. That actually has my vote.

 

[Gatorgrizz27]

I’m still not sure why they used carbon fiber in the first place. I didn't finish engineering school, but the industries that use it are primarily because of its low weight vs it’s high initial stiffness. Long term durability and impact resistance aren’t even on the list. People have cracked mountain bike handlebars due to overtightening brake master cylinder clamps with handheld Allen keys, and frames regularly crack and fail.

Why not build the thing out of steel? It really doesn’t matter if it ends up weighing 40k lbs once it’s under water.

 

[TrailTamer]

I wonder what his design team is doing now? Scrubbing their affiliation history with this submarine company?

His design team is very experienced now.

Lesson learned, in the hard way.

 

[westracing01]

I’m still not sure why they used carbon fiber in the first place. I didn't finish engineering school, but the industries that use it are primarily because of its low weight vs it’s high initial stiffness. Long term durability and impact resistance aren’t even on the list. People have cracked mountain bike handlebars due to overtightening brake master cylinder clamps with handheld Allen keys, and frames regularly crack and fail.

Why not build the thing out of steel? It really doesn’t matter if it ends up weighing 40k lbs once it’s under water.

My initial thought is because he was an idiot who had no idea what he was doing.

 

[Bacho]

Check out the Triton Subs website. They made the DSV Limiting Factor. They have a whole range of subs you can buy.

Triton Submarines - The World's Finest Submersibles

tritonsubs.com

The fucktard that just killed 5 people could have just bought one from a company that actually knew what they were doing. Guess he was too smart to do that.

He would then be limited to one pax. Business wouldn't have been viable.

 

[Bacho]

Devils advocate question:

We don’t know who knew what and when right? Did the people on the support boat tell the coast guard what they knew? And CG said “they dead” no sense in rushing a body recovery mission.

Or do we think the boat manners lied about the pop they heard for whatever nefarious reason. False hope? Maybe we just lost comms and that weird noise we’ve never heard before wasn’t related?

I’ve called 911 requesting life flight and life flight is not what came. They wouldn’t dispatch the copter until a qualified person arrived on scene and said there was a chance at survival for an injured person. I called for a helicopter for a dead man. A sherif, and an ambulance showed up first and then called for a coroner to come pronounce a time of death and dead at the scene. I can totally see coast guard hearing the facts and deciding not to put people in danger over people who are already dead. That’s what they teach us in rescue training. Don’t become a secondary victim trying to recover a dead body.

Or... The Navy didn‘t hear it but “leaked” that info after the fact so we can all trust in sosus.

I don't think the coast guard had any assests or skills to apply in this situation other than a surface search.

 

[aczlan]

It was either the shell where it had been damaged while trying to manually dock or the connection between the ends and the body. That actually has my vote.

From one of the stories I was reading (here: 5 aboard Titanic tourist sub are dead after 'catastrophic implosion' ), it sounded like this is the second Titan hull and the first one was replaced because it was showing signs of damage from cycling going down to the bottom and back, would not be surprised if this one did the same thing.

Also from that story was this quote: 5 aboard Titanic tourist sub are dead after 'catastrophic implosion'

Rush had criticized what he considered red tape. “One of the jabs that gets thrown at us is: ‘Hey, you aren’t certified.’ But how can you do something new and get certified?” Rush asked in a 2022 article in Maptia. “If the rules exist for how to do it, then you are operating outside of the rules by doing something different.”

Last time I heard, you normally get something new certified by proving that it can perform to the same safety specs as existing technology...

Referring to the Gen. Douglas MacArthur, he added: “I think it was MacArthur who said, ‘You are remembered for the rules you break.’ We try to break the rules intelligently and intentionally.”

He will certainly be remembered, but not for breaking rules intelligently...

My initial thought is because he was an idiot who had no idea what he was doing.

But that's like just your opinion man, steel isn't as cutting edge and inspirational as carbon fiber.
That idea sounds like a 50yo white man talking

He would then be limited to one pax. Business wouldn't have been viable.

Pay them to scale it up to more passengers then.
IIRC the Limiting Factor DSRV recently sold with it's host ship for 50M


Aaron Z

 

[denis]

It really doesn’t matter if it ends up weighing 40k lbs once it’s under water.

If you want it to come back to the surface, it has to have some kind of floating ability. So if you have to make the can bigger it also needs to be stronger, and heavier because more area times pressure equals more force.

 

[Bacho]

I’m still not sure why they used carbon fiber in the first place. I didn't finish engineering school, but the industries that use it are primarily because of its low weight vs it’s high initial stiffness. Long term durability and impact resistance aren’t even on the list. People have cracked mountain bike handlebars due to overtightening brake master cylinder clamps with handheld Allen keys, and frames regularly crack and fail.

Why not build the thing out of steel? It really doesn’t matter if it ends up weighing 40k lbs once it’s under water.

Carbon is strongest when the fibers are loaded in tensile. I am not sure how you build a vessel like this loaded that way. That said, A 5” layup of carbon is a shit load.

Its surely built that way due to costs.

 

[Kyle]

Carbon is strongest when the fibers are loaded in tensile. I am not sure how you build a vessel like this loaded that way. That said, A 5” layup of carbon is a shit load.

It’s surely built that way due to costs.

I assumed reading its built like a 787 fuselage. But on the plane it’s seeing opposite forces and only what 11 psi max differential?

 

[Bacho]

I assumed reading its built like a 787 fuselage. But on the plane it’s seeing opposite forces and only what 11 psi max differential?

Right, I’ll make the assumption the sub was also filament wound.

There are a lot of carbon and other composite pressure vessels. It works great to load those fibers in tension.

I don’t know what the max delta of a 787 is. They are stronger than a traditional jet. On the RJ, we could never exceed 8psi delta on the ground.

 

[arse_sidewards]

Last time I heard, you normally get something new certified by proving that it can perform to the same safety specs as existing technology...

It was until it wasn't.

Should have upped the hull replacement interval.

 

[aczlan]

It was until it wasn't.

Should have upped the hull replacement interval.

Or tested between seasons...

Aaron Z

 

[poncho62]

I'm saying he cut every corner he possibly could so it makes all the sense in the world that he'd hire the cheapest people he could that he thought could probably legitimately pull off the job then spin a PC sales pitch about how awesome these hires were and how innovative and progressive it makes him and his company.

So, Alec Baldwin should make the movie?

 

[Ksand]

I’m not seeing a movie here. No hero, no survivors.

There will be a Netflix documentary about the company and it’s race to put profits over safety. That’s a guarantee.

The design team will be very diverse for the Netflix adaptation