The Titanic director has made 33 dives to the shipwreck and visited ocean depths in a submersible he built himself. He compares OceanGate to the Titanic in that both ignored safety warnings.

  • PabloDiscobar
    48•2 years ago

    Pressure hulls should be made out of contiguous material like steel, titanium, ceramic or acrylic, he explained, in order to do modeling and finite element analysis to “understand the number of cycles that it can take.” That’s not the case with a composite material, like carbon fiber, made of two different materials blended together.

    “And so we all knew that the danger was delamination and progressive failure over time with microscopic water ingress and … what they call cycling fatigue,” he added. “And we knew if the sub passed its pressure test it wasn’t gonna fail on its first dive … but it’s going to fail over time, which is insidious. You don’t get that with steel or titanium.”

    • rigatti
      13•2 years ago

      Damn, I didn’t realize Ja knew so much about materials science.

      • Unaware7013
        18•2 years ago

        Apparently he built the sub he used to go to the titanic and into the Mariana trench. Dude must be intimately familiar with this sort of thing with that experience.

        • kestrel7
          1•2 years ago

          He honestly seems like a fairly accomplished and responsible citizen scientist compared to the Oceangate clown (RIP).

        • @c2h6
          0•2 years ago

          Now that you mention it I think Ja Rule filmed one of his music videos in Challenger Deep!

    • kestrel7
      4•2 years ago

      Like, I don’t trust carbon fiber for my bicycle frame and stick to steel because that shit cracks easily. I can’t believe this guy rolled the dice with carbon fiber on a fucking deep-sea submarine.