this post was submitted on 20 Jun 2023
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[–] [email protected] 5 points 1 year ago

It wasn't even welded. The sub is so ridiculous that it doesn't even use steel or titanium alloy like most serious submarines. Contrary to its name it was made out of carbon fiber.

https://fortune.com/2023/06/21/titan-titanic-missing-sub-david-lochridge-safety-concerns-sacked-oceangate-stockton-rush-hamish-harding/

Lochridge warned that the constant pressure on the Titan as it traveled deeper underwater would weaken any existing structural flaws, resulting in large tears to its carbon components. It was crucial, he said, to conduct non-destructive testing so that a solid and safe product could be provided for both passengers and crew.

Diving the submersible “without any non-destructive testing to prove its integrity” would “subject passengers to potential extreme danger in an experimental submersible,” Lochridge said in legal documents.

However, OceanGate allegedly told Lochridge that instead of carrying out the testing, it would install an acoustic monitoring system in the submersible to detect the start of any potential hull breakdown.

Lochridge expressed concern that such an acoustic system would not be able to detect existing flaws. It would simply flag components that were about to fail, he warned—which often happened “milliseconds before an implosion.”