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  3. Submersible tour boat joins the Titanic

Submersible tour boat joins the Titanic

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  • George KG George K

    THey're also blaming the implosion on repeated stress on the hull.

    Doctor PhibesD Offline
    Doctor PhibesD Offline
    Doctor Phibes
    wrote on last edited by Doctor Phibes
    #110

    @George-K said in Submersible tour boat joins the Titanic:

    THey're also blaming the implosion on repeated stress on the hull.

    I know nothing about undersea vehicles, but when we test for structural integrity under pressure there's a couple of things we do:

    1. Test a sample to considerably higher pressure than it's actually going to be subjected to - i.e. 1.5 times or 4 times the rated pressure

    2. We don't allow use of the prototype we've actually done the tests on in the field.

    It looks like what these guys did was test the safety of the submarine by actually just using the submarine, and since it was ok, they just carried on using it.

    William Kohnen, chairman of the Manned Underwater Vehicles Committee, has told the BBC that regulations for building submersible vessels were "written in blood".

    Yeah, these people just ignored all the data that was already out there. Also, they avoided having to comply with legislation by only operating in international waters. People should go to jail for this, except of course the guy making the decisions is dead.

    I was only joking

    1 Reply Last reply
    • LuFins DadL LuFins Dad

      So if they heard the implosion at the time, why didn’t they say anything until yesterday?

      89th8 Offline
      89th8 Offline
      89th
      wrote on last edited by
      #111

      @LuFins-Dad said in Submersible tour boat joins the Titanic:

      So if they heard the implosion at the time, why didn’t they say anything until yesterday?

      To the public, maybe. I believe the Navy was coordinate with search and rescue efforts to narrow their search area.

      1 Reply Last reply
      • George KG Offline
        George KG Offline
        George K
        wrote on last edited by
        #112

        "Now look here, you Baltic gas passer... " - Mik, 6/14/08

        The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

        1 Reply Last reply
        • MikM Offline
          MikM Offline
          Mik
          wrote on last edited by Mik
          #113

          It was painless.

          So what happens when a submarine implodes?

          A sub descending to the depths of the wreckage of the Titanic is under enormous pressure from the water outside. If the submarine were to implode, the hull would be crushed at unimaginable speed.

          A former submarine expert explained what this might be like. Dave Corley, a retired Navy Captain, said: "When a submarine hull collapses, it moves inward at about 1,500 miles per hour - that's 2,200 feet per second.

          "A modern nuclear submarine's hull radius is about 20 feet. So the time required for complete collapse is 20 / 2,200 seconds = about 1 millisecond. A human brain responds instinctually to the stimulus at about 25 milliseconds. Human rational response is at best 150 milliseconds.

          "The air inside a sub has a fairly high concentration of hydrocarbon vapors. When the hull collapses it behaves like a very large piston on a very large Diesel engine. The air auto-ignites and an explosion follows the initial rapid implosion Sounds gruesome but as a submariner I always wished for a quick hull-collapse death over a lengthy one like some of the crew on Kursk endured."

          John Jones, a former member of the US Navy Submarine Force, added: "Implosion events occur within milliseconds, far too quickly for the human brain to comprehend."

          “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

          1 Reply Last reply
          • George KG Offline
            George KG Offline
            George K
            wrote on last edited by
            #114

            alt text

            "Now look here, you Baltic gas passer... " - Mik, 6/14/08

            The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

            1 Reply Last reply
            • Doctor PhibesD Offline
              Doctor PhibesD Offline
              Doctor Phibes
              wrote on last edited by
              #115

              Somebody noted that at the depth we're talking about, if a diver's compressed air tank had a hole knocked in it, water would rush in rather than air rushing out.

              Which kind of makes the lackadaisical attitude to safety even more shocking. It's like going to the moon and not worrying about safety.

              I was only joking

              1 Reply Last reply
              • George KG Offline
                George KG Offline
                George K
                wrote on last edited by
                #116

                They lost coms with the submersible, what, 90 minutes into the dive. I assume that that's when the catastrophe occurred. If it was 90 minutes into a 2 hour descent, I wonder how deep they were.

                Deep enough to be fatal, of course.

                "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                1 Reply Last reply
                • MikM Offline
                  MikM Offline
                  Mik
                  wrote on last edited by
                  #117

                  Navy said around 9,000 feet.

                  “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

                  1 Reply Last reply
                  • RenaudaR Offline
                    RenaudaR Offline
                    Renauda
                    wrote on last edited by
                    #118

                    Not a big fan of James Cameron, but he makes some good points in this short interview:

                    https://www.bbc.co.uk/news/world-us-canada-65994707

                    Elbows up!

                    HoraceH 1 Reply Last reply
                    • RenaudaR Renauda

                      Not a big fan of James Cameron, but he makes some good points in this short interview:

                      https://www.bbc.co.uk/news/world-us-canada-65994707

                      HoraceH Offline
                      HoraceH Offline
                      Horace
                      wrote on last edited by
                      #119

                      @Renauda said in Submersible tour boat joins the Titanic:

                      Not a big fan of James Cameron, but he makes some good points in this short interview:

                      https://www.bbc.co.uk/news/world-us-canada-65994707

                      He said that on Monday, when he heard the sub had gone missing, "I immediately got on the phone to some of my contacts in the deep submersible community.

                      So that's why I was getting so many busy signals.

                      Education is extremely important.

                      1 Reply Last reply
                      • George KG Offline
                        George KG Offline
                        George K
                        wrote on last edited by
                        #120

                        Ben Shapiro: "Hard to think of a better way to undermine institutional credibility than to spend days pretending that a submersible may be at the bottom of the ocean and that the entire world should hold its breath, while knowing for days the thing imploded."

                        "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                        The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                        1 Reply Last reply
                        • JonJ Offline
                          JonJ Offline
                          Jon
                          wrote on last edited by
                          #121

                          I’ll repeat what I said earlier - they probably didn’t know with certainty.

                          MikM JollyJ 2 Replies Last reply
                          • JonJ Jon

                            I’ll repeat what I said earlier - they probably didn’t know with certainty.

                            MikM Offline
                            MikM Offline
                            Mik
                            wrote on last edited by
                            #122

                            @Jon I'd agree. In all cases rescue efforts go the extra mile. Sometimes many extra miles, as evidenced by the four kids in the Amazon 40 days.

                            “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

                            1 Reply Last reply
                            • bachophileB bachophile

                              So now we know they were dead already on day 2, so what the hell was the rhythmic knocking heard after that….something else is down there playing drums….

                              CopperC Offline
                              CopperC Offline
                              Copper
                              wrote on last edited by
                              #123

                              @bachophile said in Submersible tour boat joins the Titanic:

                              what the hell was the rhythmic knocking heard after that

                              Chinese man #1: How can we measure the US Navy's listening capability?

                              Chinese man #2: Blow up a submersible and see if they hear it.
                              Then go knock on the Titanic to see if they can hear that.

                              1 Reply Last reply
                              • JonJ Jon

                                I’ll repeat what I said earlier - they probably didn’t know with certainty.

                                JollyJ Offline
                                JollyJ Offline
                                Jolly
                                wrote on last edited by
                                #124

                                @Jon said in Submersible tour boat joins the Titanic:

                                I’ll repeat what I said earlier - they probably didn’t know with certainty.

                                They knew with a high probability. That's why they didn't expedite the submersible from the UK that was ready to go. At first, the U.S. said "Hurry", then turned around in a short period and said, "Standard deployment".

                                “Cry havoc and let slip the DOGE of war!”

                                Those who cheered as J-6 American prisoners were locked in solitary for 18 months without trial, now suddenly fight tooth and nail for foreign terrorists’ "due process". — Buck Sexton

                                RenaudaR 1 Reply Last reply
                                • JollyJ Jolly

                                  @Jon said in Submersible tour boat joins the Titanic:

                                  I’ll repeat what I said earlier - they probably didn’t know with certainty.

                                  They knew with a high probability. That's why they didn't expedite the submersible from the UK that was ready to go. At first, the U.S. said "Hurry", then turned around in a short period and said, "Standard deployment".

                                  RenaudaR Offline
                                  RenaudaR Offline
                                  Renauda
                                  wrote on last edited by
                                  #125

                                  @Jolly said in Submersible tour boat joins the Titanic:

                                  @Jon said in Submersible tour boat joins the Titanic:

                                  I’ll repeat what I said earlier - they probably didn’t know with certainty.

                                  They knew with a high probability. That's why they didn't expedite the submersible from the UK that was ready to go. At first, the U.S. said "Hurry", then turned around in a short period and said, "Standard deployment".

                                  I agree that they likely knew with high probability. All the same, there is controversy surrounding the offer to deploy the Megellan from the onset. Seems that there was never really any hurry to have it on site and when it was decided to bring it, other technical issues ensued.

                                  https://www.bbc.co.uk/news/world-europe-jersey-65982967

                                  Elbows up!

                                  1 Reply Last reply
                                  • bachophileB bachophile

                                    So now we know they were dead already on day 2, so what the hell was the rhythmic knocking heard after that….something else is down there playing drums….

                                    CopperC Offline
                                    CopperC Offline
                                    Copper
                                    wrote on last edited by
                                    #126

                                    @bachophile said in Submersible tour boat joins the Titanic:

                                    what the hell was the rhythmic knocking heard after that

                                    Skip to 6:50 for the answer

                                    1950s movie on the beach

                                    Link to video

                                    1 Reply Last reply
                                    • HoraceH Offline
                                      HoraceH Offline
                                      Horace
                                      wrote on last edited by
                                      #127

                                      I always imagined there were people rolling their eyes at the hope for a successful rescue. I didn't know some had more information than others, but I don't think more information was ever necessary to know they were irretrievably gone. There was never a plausible explanation other than catastrophe, and there was never a plausible hope of rescuing them from 12k down.

                                      Education is extremely important.

                                      1 Reply Last reply
                                      • 89th8 Offline
                                        89th8 Offline
                                        89th
                                        wrote on last edited by
                                        #128

                                        Totally. I thought...if anything...maybe there was a slight chance they were bobbing up and down on the surface of the water somewhere with no way to communicate. Maybe they still are. 😉

                                        1 Reply Last reply
                                        • RainmanR Offline
                                          RainmanR Offline
                                          Rainman
                                          wrote on last edited by
                                          #129

                                          What hasn't been covered is the fact that the Titanic tomb is like King Tut's tomb.
                                          Woe be to those that would transgress the boundaries.
                                          Scary. No way I would get into any sub going down to try to find the missing pancake sub. Certain death. I know of these things. For example, whatever you do, DO NOT look behind you right now.

                                          Doctor PhibesD 1 Reply Last reply
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