Posted on 06/26/2023 9:42:29 AM PDT by Chad C. Mulligan
The title of this article is rather broad and audacious, so let’s do what all good engineers would do and set the boundary conditions for the analysis.
All calculations will be approximate given the time invested in this analysis and the purpose thereto. Some assumptions and engineering judgments will be made due to the lack of independently verified information and data. This analysis is meant to be brief and the intended audience is both engineers and non-engineers (for educational purposes). Why am I writing this – out of some sort of ghoulish focus on death? Well, engineers study the ghoulish consequences of the failures of other engineers as part of our profession. Consider the fact that most engineers can explain the cause of the Hyatt Regency walkway collapse (if you can’t, you shouldn’t be an engineer), the Tacoma Narrows bridge failure, the Union Carbide Bhopal disaster, and the space shuttle Challenger disaster (where Morton Thiokol was told to take off their engineer hats and put on their manager hats when considering O-ring temperature certification). This is part of what we do to become better.
(Excerpt) Read more at captainsjournal.com ...
Well, I guess the Titan incident is pretty close to being old news by now. Most of us should know basically what happened by now, so hopefully it won’t happen again in the same way. However, now maybe it is time to revisit the Biden fiasco as it is likely a long way from being over with & I don’t think that justice has been rendered in that case as yet.
Yes, the viewport is usable by everyone, and the sub was basically just a big flat, empty space, so easy for the people to move around inside.
Right, and we’re talking inches of deformation over a span of just a couple feet. Just thinking of it gives me the willies. It would interesting to know what’s considered normal deformation for an acrylic dome like that.
Thanks. Whatever I read then was wrong.
His mom is telling a different story from what she said the other day. Now she’s saying he wanted to solve a Rubik’s cube
at the depth of the Titanic.
Does a Rubik’s cube get harder to solve at that depth?
Do I understand correctly that it was the 5” thick carbon fiber hull around the viewport deforming that much? Hard to understand how it sustained that once, nevermind several times. Or was it clear acrylic (or glass???) in the window itself, or the window frame?
“This comes from the STP (standard temperature and pressure) value of 62.4 lbm/ft³ / 144 in²/ft² = 0.433 psi/ft. “
That is freshwater out of the tap. This is seawater about 63.5 at surface and 65.5 down deep.
“Who wants to read more about the submarine accident? It happened 10 days ago.”
I do. Some of us are interested in technical matters and aren’t just political hacks. Engineering analyses of distant historical events still occur.
“This is as comprehensive analysis of what went wrong as you’ll get anywhere.”
No analysis. Only that the viewport failed since it was only certified to 1300 meters.
“What was really stupid IMHO is that the Titan had no windows so they could only view anything on computer monitors or tv “
It had a large viewport. Helps to read the article.
“First error, the density of seawater is 64 lbs/ft3 not 62.4 which is the value for freshwater.”
65.5 at depth.
Read the article? This is Free Republic! :)
Review this.
I remember the 777 wing was the first composite main wing made by Boeing. They struggled with it greatly. There is a documentary on it.
Not sure about suicidal, I just think he thought he was an innovator and smarter that he really was....that and it sounds like he was relying on “inclusive” design and engineering instead of using the best he could get even if they were 50 y/o white guys.......and this is what it got him.
Video I watched he said it was about a quarter of an inch, I believe. So, with that much play, and this being the 5th dive, I’d say the contraction and expansion probably heavily weakened the 7 inch thick, 80 pound chunk of plexiglass.
I believe the Titan has made the trip before. Rush probably thought he had designed it to conform to the physical stresses it would encounter. He bizarrely didn’t take into account the imperceptible physical breakdown of the highly stressed materials the Titan was built with.
Don’t we see this type of failure all the time? People think they can rev their 300k miles cars engine to redline. Buildings creak and list until they buckle. Airplane parts weaken and corrode and catastrophically fail under high stress. Buildings are red tagged after a fire. Buildings collapse during earthquakes when substandard concrete is used. Engineering/adventurer hubris. Watch this...hold my beer.
There’s not an event anywhere in the world that some hereon don’t attribute the coverage thereof as “avoiding coverage of Biden’s crimes” (which hasn’t happened). It’s reasonable to be attuned to possible conspiracies, but c’mon man...you don’t have to be an obsessed loon about it.
That isn't what I saw.
I read something last week that the waiver that had to be signed by the passengers, pointed out in at least four places that taking that ride could very easily get you killed.
That would have been plenty enough to get me to pull out.
It was junk. Two titanium ends with a 5” thick carbon fiber middle. The ceo would not have others certify it.
Was 5” enough or did the ceo wing it? The 1/3rd scale model test failed. The person who reported it was fired.
It had to be rebuilt once. Was it brand new or a repair? The port was not rated for the depth. It was not tested without passengers in a real dive. It was Russian Roulette with most chambers loaded.
They were burned then disintegrated in less then a blink of an eye 😲
I read someone’s comment here at Free Republic who said he worked out the power of the implosion and it was about 60lbs of TNT.
I remember a story back in the 1970’s where a guy killed himself with 6 sticks of dynamite in the forest. No identifying parts remained.
Here’s What Happened to the Bodies When the Titanic Submersible Imploded
https://townhall.com/tipsheet/mattvespa/2023/06/26/what-happened-to-the-bodies-of-those-killed-in-the-titanic-submersible-implosion-n2625013
The video gets into the details, which can be macabre sometimes, but it’s also somewhat incredible how quickly this tragic incident ended. All five men died in less than a millisecond, possibly a nanosecond. To put this into perspective, the video below shows how fast that is. The time it takes for the human body to process pain is about 100 milliseconds. It takes you 13 milliseconds to process “visual imagery.” You can see where this is going: none of these guys knew what happened to them.
This implosion was something like a massive pressure cooker as well. When the craft’s structure failed due to the immense pressure of diving 12,500 feet, the air bubble inside compressed, causing a massive spike in temperature, roughly 10,000 degrees Fahrenheit: the sun’s surface. The video points out that if anything were left, the remains would be gelatinous and expelled through the many cracks and crevices of the damaged submersible.
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Titan sub’s voice recordings, data to be probed as officials mull possible criminality
Titan recording: “Are you sure you tighten all the bolts?”
“The game controller batteries are dead”
“Is anyone else using the wifi, it is interfering with the game controller”
“We will straighten out the problems after we get back to the surface”
“Who is for some seafood for dinner?”
Titan recording: “Wow look at that large fish with the needle teeth. It is bigger then the sub!” CHOMP!
Titan recording: “What is that snap, crackle?”...POP!
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The subs Thresher and Scorpion were destroyed at far less depth.
The implosion of Scorpion was at 1,530 feet, the engine room had telescoped 50 ft forward into the hull. The sub was 251 feet long...
Many theories as to how it sank https://en.wikipedia.org/wiki/USS_Scorpion_(SSN-589)
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