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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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  • 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 Offline
                          MikM Offline
                          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 Online
                              Doctor PhibesD Online
                              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 Online
                                        Doctor PhibesD Online
                                        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
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