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A comment on Titanic tourist sub goes missing sparking search. Parent comment

Re:Titanic tourist sub goes missing sparking search by patrec on Monday June 19, 2023 @07:03PM (#36397522)
In what scenario would not being sealed from the outside make a positive difference? If they managed to surface, how would being able to "get out" in the middle of the ocean be helpful? If they didn't manage to surface, under what circumstances would have opening the hatch helped?
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Re:Titanic tourist sub goes missing sparking search by jacquesm on Monday June 19, 2023 @07:25PM (#36397722)
Air.
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Re:Titanic tourist sub goes missing sparking search by patrec on Monday June 19, 2023 @07:47PM (#36397894)
True, although fortunately the air supply is meant to last for 4 days. As a passenger I would probably be more alarmed about the apparent absence of some kind of distress beacon than the inability to open the hatch without help.
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Re:Titanic tourist sub goes missing sparking search by jacquesm on Monday June 19, 2023 @08:11PM (#36398084)
Well, something went wrong and one of the things that could go wrong is the air supply. I wouldn't be a passenger for any amount of money, these are experimental tools, not joy rides.
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Re:Titanic tourist sub goes missing sparking search by marksmithhfx on Friday June 23, 2023 @03:42PM (#36451343)
There was a distress beacon… it’s called a transponder. It is in a separate pressure chamber controlled by a separate battery. It is a completely separate and isolated system. It failed at the same time as regular comms leading some to conclude the vessel was gone. Kaput. Is no more.
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Re:Titanic tourist sub goes missing sparking search by mustacheemperor on Tuesday June 20, 2023 @11:30AM (#36405454)
I think part of the issue there is designing a hatch that can be opened on the surface to exchange air without immediately swamping the sub in the sea chop. Alvin sank very fast when it was accidentally dropped into the water with the hatch open.
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Re:Titanic tourist sub goes missing sparking search by actionfromafar on Monday June 19, 2023 @07:26PM (#36397731)
They could get air.
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