News Titanic Tours Submersible missing in atlantic ocean

ralphc1 said:
I thought he said it was a standard off the shelf controller. What did he modify?
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I’m not really that sure but I did notice from video that the thumb knobs looked like little witch hats unless that is normal for Logitech pc controllers?
 
dirtypablo said:
Ya, there's nothing wrong with using off the shelf parts, and often that's the better path because the company that makes that part is probably better at making them than you would be. If it's not a safety critical component and there's a redundant override and backups, I don't think using a game controller in itself is an indication of terrible engineering.

From the very little I've read about this, it sounds they were still using consumer grade stuff anywhere they could, including potentially safety critical parts that should be either custom or appropriately safety rated - using consumer grade stuff there is terrible engineering.
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On a recent news video it was mentioned the US navy used game controllers to control their eletronic masts on their submarines. Thing is that the eletronic masts is not critical for the survivial of the crew unless we are in a war situation. The submarine uses traditional purpose built equipment for navigation, ascent/descent etc..With the Navy you know they tested the controllers a zillion ways and have robust redudant systems.

In this case the logitech controller may not have been the issue, it may have been the pressure vessel design, but even so when you combine the use of the controller along with the other non-traditional methods of building then it makes one question just how suitable the control was for this application.
 
DizzySpells25 said:
nah not normal. if you can't think of another way to present that information you clearly are not thinking normally at all.
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My point is,
they heard what they thought sounded like an implosion, But not sure if it was the sub.

They are not going to tell everyone that it was the sub and that everyone was dead, not until they had visual confirmation at least.
 
syct23 said:
My point is,
they heard what they thought sounded like an implosion, But not sure if it was the sub.

They are not going to tell everyone that it was the sub and that everyone was dead, not until they had visual confirmation at least.
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Like i said. There are other options than the one you pointed out. I guess you aren't really thinking about it.
 
MusterX said:
No shit, maybe they should have started where the submersible went down.
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What are you talking about?

they did start looking where the submersible went down, only when the right equipment arrived.

If you are talking about the thousands of square miles they were searching before they sent submersibles down. That was the air search in case the sub had surfaced.
 
DizzySpells25 said:
Like i said. There are other options than the one you pointed out. I guess you aren't really thinking about it.
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There are many options, mine is just one. What is your opinion on how communications should have released.?
 
OceanGate CEO once said Titan sub's hull was made with carbon fiber from Boeing that was past its airplane shelf-life, would-be passenger says

- Arnie Weissmann, the editor-in-chief of Travel Weekly, said he was set to travel on the Titan sub.

- Weather stopped his trip. Later, he said he was concerned by where OceanGate CEO Stockton Rush said he sourced his materials.

- He said Rush told him he got carbon fiber to build the sub at a "big discount from Boeing."

A writer who says he was set to travel on board the doomed Titan submersible said that OceanGate CEO Stockton Rush told him the company used cut-price Boeing carbon fiber that was past its airplane shelf-life for the hull of the vessel.

https://www.yahoo.com/news/oceangate-ceo-once-said-titan-180022594.html

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A lot of things work just fine "past their shelf life" but I wouldn't take the chance on mission critical stuff that can cause injury or death.

 
MicroBrew said:
Father would've believe it was safe, because they had done the Titanic dive about 5 times before and you had the billionaire Hamish onboard too. People tend to feel things are safe to do if others are doing it and have done it without incident.
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If the father believed it was safe he was delusional. Like I said, anybody taking any dive that deep knows the risks, and that’s even before factoring in all the hack bullshit.
 
Randlewand said:
I really feel like one of the reasons the sub designer used carbon fiber was because it has this layman reputation as a 'hip' and superior material - it could be used as a selling point for their cutting-edge dive technology vs more conventional "old-fashioned" approaches. It's perfect for a sales brochure or website

I have no idea if carbon fiber would be more expensive then a steel alloy but I doubt it costs as much as titanium
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FAR more expensive than steel alloy. Like about 50 times more expensive.
Titanium is expensive for sure, and HARD to work with and machine but I think it's probably cheaper than carbon-fiber. You certainly wouldn't need 5inches thick of titanium if he'd used that for the cylinder part. (it was 5inches-thick of carbon-fiber composite).

I think you may have a point about it being marketing.... also you really DON'T need lightweight for a sub. There's not much critical reason to have it lightweight for a submersible. Space rockets...YES ....lightweight is a massive advantage.
also a cylindrical pressure capsule is inherently not as strong as a spherical pressure-capsule, which Camerron used on Deepsea Challenger.
 
MicroBrew said:
OceanGate CEO once said Titan sub's hull was made with carbon fiber from Boeing that was past its airplane shelf-life, would-be passenger says

- Arnie Weissmann, the editor-in-chief of Travel Weekly, said he was set to travel on the Titan sub.

- Weather stopped his trip. Later, he said he was concerned by where OceanGate CEO Stockton Rush said he sourced his materials.

- He said Rush told him he got carbon fiber to build the sub at a "big discount from Boeing."

A writer who says he was set to travel on board the doomed Titan submersible said that OceanGate CEO Stockton Rush told him the company used cut-price Boeing carbon fiber that was past its airplane shelf-life for the hull of the vessel.

https://www.yahoo.com/news/oceangate-ceo-once-said-titan-180022594.html

---
A lot of things work just fine "past their shelf life" but I wouldn't take the chance on mission critical stuff that can cause injury or death.
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more evidence that he was constantly trying to cut costs and let pricing influence his submersible design.
- This whole thing had disaster-waiting-to-happen written on from the very start.
 
Oceangate posted a job listing for a new sub pilot on Monday morning, thats Vince McMahon level evil LoL

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<Lmaoo><Lmaoo><Lmaoo><Lmaoo>

vince-mc-mahon-crazy-laugh.gif


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syct23 said:
What are you talking about?

they did start looking where the submersible went down, only when the right equipment arrived.

If you are talking about the thousands of square miles they were searching before they sent submersibles down. That was the air search in case the sub had surfaced.
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I thought the Navy had a deep diving submersible there on the second day.
 
MusterX said:
I thought the Navy had a deep diving submersible there on the second day.
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Not to my knowledge sir.

From what I read and watched the first few days submersibles were 1000 miles away full speed ahead.

That is why the air search until their arrival. Then when they arrived they dropped right where they knew they were and found wreckage asap.
 
TTech said:
hes been down 30 or 40 times. In interviews him and people around him always told how anal he is about everything, every little detail, every material , everything, just like he is on set. So you can bet your life he knows more or less everything that is to know about deep sea diving, since hes been doing it for 30 freakin years. Being a douchbag doesnt detract from that.
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Completely agree. I just looked up his wiki to see what his educational credentials were and he went to community college. That's it. He has multiple honorary doctorates for film work, but nothing scientific. It's all hands-on. Really impressed with him, and his stock has risen exponentially as a result of this incident.
 
So basically if we believe the sound the navy heard was the implosion, they were dead an hour and a half into the trip.
 
Doughie99 said:
FAR more expensive than steel alloy. Like about 50 times more expensive.
Titanium is expensive for sure, and HARD to work with and machine but I think it's probably cheaper than carbon-fiber. You certainly wouldn't need 5inches thick of titanium if he'd used that for the cylinder part. (it was 5inches-thick of carbon-fiber composite).

I think you may have a point about it being marketing.... also you really DON'T need lightweight for a sub. There's not much critical reason to have it lightweight for a submersible. Space rockets...YES ....lightweight is a massive advantage.
also a cylindrical pressure capsule is inherently not as strong as a spherical pressure-capsule, which Camerron used on Deepsea Challenger.
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I think the reason for the unique design of the sub hull is to allow it to have more room inside. Most (if not all) subs capable of those sort of depths have room for only one or two people... due to the massive thickness of the hull (a foot or more).

Most can't really comprehend the pressures at 2.5 miles down. A sub 10' sub that's 6' in diameter would experience an overall pressure across it's hull of well over 300 million pounds, or, to put it in perspective, more than half the overall weight of the Empire State Building.
 
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