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The New Coffee Room

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  3. Submersible tour boat joins the Titanic

Submersible tour boat joins the Titanic

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  • CopperC Offline
    CopperC Offline
    Copper
    wrote on last edited by
    #94

    If the sub was disabled the pilot would surely know that recovery could take weeks.

    He would have no choice

    He would have to kill the others to save himself

    1 Reply Last reply
    • kluursK kluurs

      worth a rewatch - CBS Sunday Morning episode where they go down in the Titan to the Titanic
      https://www.cbs.com/shows/video/jfHkP_1UqqKM_pBmRZ8kaRAGONEEMqQg/

      89th8 Offline
      89th8 Offline
      89th
      wrote on last edited by
      #95

      @kluurs said in Submersible tour boat joins the Titanic:

      worth a rewatch - CBS Sunday Morning episode where they go down in the Titan to the Titanic
      https://www.cbs.com/shows/video/jfHkP_1UqqKM_pBmRZ8kaRAGONEEMqQg/

      I just watched that this morning. This is sad but I wonder if they have video footage from the main ship documenting the trip and accidentally documenting the initial confusion and reaction when it went missing.

      1 Reply Last reply
      • 89th8 Offline
        89th8 Offline
        89th
        wrote on last edited by 89th
        #96

        So it sounds like the facts are in.

        The Navy (using top secret tech) detected an implosion sound about 9,000 feet down, on the 13,000 feet trip. They knew about this immediately. This helped eventually narrow the search area. A Canadian remotely operated sub found wreckage debris, including main hull, on the ocean floor about 1,700 feet from the titanic. Likely no bodies to recover.

        JonJ 1 Reply Last reply
        • George KG Offline
          George KG Offline
          George K
          wrote on last edited by
          #97

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

          "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.

          Doctor PhibesD 1 Reply Last reply
          • HoraceH Offline
            HoraceH Offline
            Horace
            wrote on last edited by
            #98

            What does “repeated” mean? Like after repeat trips into the ocean, or repeated stress during this dive?

            Education is extremely important.

            George KG 1 Reply Last reply
            • HoraceH Horace

              What does “repeated” mean? Like after repeat trips into the ocean, or repeated stress during this dive?

              George KG Offline
              George KG Offline
              George K
              wrote on last edited by
              #99

              @Horace said in Submersible tour boat joins the Titanic:

              Like after repeat trips into the ocean

              This.

              Aircraft are certified for only so many cycles before structural failures need to be addressed.

              "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
              • JollyJ Jolly

                A thought...Carbon fiber arrows are used a lot in archery. Unlike aluminum, though, when they go, they fail catastrophically. I wonder if a sub hull is the same way?...

                JollyJ Offline
                JollyJ Offline
                Jolly
                wrote on last edited by
                #100

                @Jolly said in Submersible tour boat joins the Titanic:

                A thought...Carbon fiber arrows are used a lot in archery. Unlike aluminum, though, when they go, they fail catastrophically. I wonder if a sub hull is the same way?...

                I'm back to this one...

                “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

                1 Reply Last reply
                • bachophileB Offline
                  bachophileB Offline
                  bachophile
                  wrote on last edited by
                  #101

                  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….

                  RenaudaR CopperC 3 Replies Last reply
                  • JonJ Offline
                    JonJ Offline
                    Jon
                    wrote on last edited by
                    #102

                    Aliens

                    1 Reply Last reply
                    • 89th8 89th

                      So it sounds like the facts are in.

                      The Navy (using top secret tech) detected an implosion sound about 9,000 feet down, on the 13,000 feet trip. They knew about this immediately. This helped eventually narrow the search area. A Canadian remotely operated sub found wreckage debris, including main hull, on the ocean floor about 1,700 feet from the titanic. Likely no bodies to recover.

                      JonJ Offline
                      JonJ Offline
                      Jon
                      wrote on last edited by Jon
                      #103

                      @89th said in Submersible tour boat joins the Titanic:

                      So it sounds like the facts are in.

                      The Navy (using top secret tech) detected an implosion sound about 9,000 feet down, on the 13,000 feet trip. They knew about this immediately.

                      So this answers our question about the sonobuoy and related underwater listening technology. It was quite remarkable when I was around it in the mid 80s, of course 40 years later it will be indistinguishable from magic.

                      JonJ 1 Reply Last reply
                      • HoraceH Offline
                        HoraceH Offline
                        Horace
                        wrote on last edited by
                        #104

                        Link to video

                        Education is extremely important.

                        1 Reply Last reply
                        • JonJ Jon

                          @89th said in Submersible tour boat joins the Titanic:

                          So it sounds like the facts are in.

                          The Navy (using top secret tech) detected an implosion sound about 9,000 feet down, on the 13,000 feet trip. They knew about this immediately.

                          So this answers our question about the sonobuoy and related underwater listening technology. It was quite remarkable when I was around it in the mid 80s, of course 40 years later it will be indistinguishable from magic.

                          JonJ Offline
                          JonJ Offline
                          Jon
                          wrote on last edited by
                          #105

                          @Jon said in Submersible tour boat joins the Titanic:

                          @89th said in Submersible tour boat joins the Titanic:

                          So it sounds like the facts are in.

                          The Navy (using top secret tech) detected an implosion sound about 9,000 feet down, on the 13,000 feet trip. They knew about this immediately.

                          So this answers our question about the sonobuoy and related underwater listening technology. It was quite remarkable when I was around it in the mid 80s, of course 40 years later it will be indistinguishable from magic.

                          From the NYT:

                          The U.S. Navy, using data from a secret network of underwater sensors designed to track hostile submarines, detected “an anomaly consistent with an implosion or explosion” in the vicinity of the Titan submersible at the time communications with the vessel were lost on Sunday, two senior Navy officials said on Thursday.

                          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….

                            RenaudaR Offline
                            RenaudaR Offline
                            Renauda
                            wrote on last edited by Renauda
                            #106

                            @bachophile said in Submersible tour boat joins the Titanic:

                            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….

                            My guess is ghosts banging on Davy Jones locker.

                            Elbows up!

                            1 Reply Last reply
                            • LuFins DadL Offline
                              LuFins DadL Offline
                              LuFins Dad
                              wrote on last edited by
                              #107

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

                              The Brad

                              JonJ 89th8 2 Replies Last reply
                              • MikM Away
                                MikM Away
                                Mik
                                wrote on last edited by
                                #108

                                The ocean is a noisy place.

                                “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
                                • LuFins DadL LuFins Dad

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

                                  JonJ Offline
                                  JonJ Offline
                                  Jon
                                  wrote on last edited by
                                  #109

                                  @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?

                                  My guess is, while it was consistent with an implosion sound, they couldn’t know for sure if that’s what it was, and didn’t want people to call off the search based on any statement they made.

                                  1 Reply Last reply
                                  • 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 Away
                                          MikM Away
                                          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

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