Posted on 06/25/2023 1:21:39 PM PDT by Steely Tom
Rather long video by Scott Manley, who normally blogs about things space related.
This is a "rant," in which he streams his thoughts and responds to questions and comments from viewers.
One interesting thing he did say that I made note of, concerning the energy released when the Titan submarine imploded.
If we assume that it made it to a depth of 8000 feet, we can estimate the amount of energy that was focused on its occupants by just turning the situation around (in a sense) and calculating the amount of energy needed to clear one cubic meter of volume of water at that depth.
That is, calculate the force on an area of one square meter. Then sweep that square meter along a line one meter long. The result is the amount of energy released if that one-cubic-meter volume collapses.
I just did that calculation using Excel. Assuming a depth of 8000 feet (2438.4 meters), I get an energy release of 24.6 mJ/m3.
The amount of energy contained in one kilogram of TNT is given (on the internet) as 4.6 mJ per kg.
This means that each cubic meter of empty space at a depth of 8000 meters releases the amount of energy in 11.7 pounds of TNT.
The Titan submersible's interior volume has been given as 5 m3, which works out to 58.7 pounds of TNT equivalent energy.
So the passengers of the Titan experienced getting into a pressure vessel along with a bomb consisting of almost 60 pounds of TNT, then setting it off.
This explains why no remains of their bodies are expected to be found.
What did the Carbon Fibre Sub say to the Titanium Sub?
I’m Crushed.
That’s the terror of knowing
What this world is about
Watching some good friends screaming
“Let me out!”
“Is that a leak?”
I wonder if we will ever know how deep the Titan was when it imploded.
“Don’t t. . . !”
If you want to imagine what an implosion is like at 12,000 ft below sea level, stuff 5 hamsters in a Pepsi can and run it over at 60 miles an hour.
“Did I hear a slight cracking sound?”
Last known words.
I think James Cameron said it was about 3,000 m down when they lost communications and tracking and at the same time there was a loud bang heard by the Navy.
Next time invite Soros and his kid
More like stuff 5 hamsters in a Pepsi can and shoot a 105 mm Howitzer at it.
This is great. I am glad we did this.
Correction:
“D-”
That’s what one guy was saying, that the carbon fiber would start making a cracking sound. Another said it was possible water started shooting inside but at an extremely high velocity. I would think that or both would have been the absolute worst knowing they chose poorly right before they became liquified but we will never know.
Was doing some rough math calculations. Say an automobile tire is filled to 30 psi. If the Titanic ocean floor is stated correctly at 6000 psi it would be the equivalent pressure of 200 tires combined. Quite a blowout or blow in.
Give it a few years.
I suspect you’ll start hearing about “unexpected” airframe failures in aircraft.
I suspect it will happen eventually. Just when is the question?
And the beauty of composites like this is that they give you little to no prior warning unlike metal.
I thought they were “testing is over-rated”...
I haven’t got a problem with him inviting others to test his nutty theories, he just took the wrong ones. We could work up a list of a few thousand pretty quickly.
I presume that’s MJ (MegaJoules), not mJ (milliJoules)
“A “live” rant about carbon fiber submarines”
I’ll skip the pun out of good taste
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