Titanic submersible confirmed destroyed with loss of all five souls onboard.

Minusorange said:
Stockton's design for a CO2 scrubber

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:confused: :eek:
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They knocked up something more impressive on Apollo 13.
 
MarcLister said:
Oh lordy! Again the BBC text said Stockton didn't want to use a scrubbers from a renowned industry but the BBC text didn't show what Stockton used instead. Makes me wonder why no-one who got in didn't see the scrubber and just get back out again.
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The chap talking said that picture was from 2017 and he didn't know whether that was still in use last year.
 
Minusorange said:
Stockton's design for a CO2 scrubber
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type "diy c02 scrubbers" on google most the results look better engineered.

using pop bottles etc that are obviously more airtight than any of those Tupperware boxes.

those tupperware boxes leak smell even if they claim to be aitright, so I'm guessing they aren't airtight.
I'm wondering if they just used a sheet of activated carbon to capture it.


it looks like a normal pc fan attached to a box, most the DIYers seem to be using fish tank pumps which is probably better and most of them seem to be using a liquid to capture
 
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SpellowHouse said:
It strikes me that that Stockton Rush was an absolute idiot. A businessman, who failed to listen to others, and formed conclusions that he was simply not qualified to form. I mean, seriously, any idiot would know that carbon fibre is not suitable for the job, and even if someone didn't know that, there are plenty of warnings out there from a community that surely does. He was an arrogant fool who cost the lives of the people who trusted him.
If I sound angry, I am. I am tired of businessmen not taking science seriously.
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Question for me is, in the case of the above, how this guy even got going? Did he have existing money or was just a huge BS'er? And once the shoddiness was revealed, how did it continue?
 
The testimony about the ignored lightening strike on the integrity of hull, and, that it was sufficiently transparent (weave uniformity) to see a torch, were 'concerning',
what's the checklist before boarding a boeing.
 
danlightbulb said:
Question for me is, in the case of the above, how this guy even got going? Did he have existing money or was just a huge BS'er? And once the shoddiness was revealed, how did it continue?
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I always remember Josh Gates commenting about this. The show he works for looked at the idea of sending him down to see the Titanic, but concluded that the sub wasn't safe. He had a lucky escape.

I suppose it brings up the question, if someone asks you to sign a disclaimer, should you sign it without conducting your own research in to the safety of the product? And if you do sign it, who's to blame? The company of idiots or the idiot that signed the form?
 
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SpellowHouse said:
I suppose it brings up the question, if someone asks you to sign a disclaimer, should you sign it without conducting your own research in to the safety of the product? And if you do sign it, who's to blame? The company of idiots or the idiot that signed the form?
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Not sure but there are (presumably) international maritime safety standards? Its amazing that the authorities didn't somehow detect the issues here sooner and then block the activity.
 
Bubo said:
If the bath tubs are cast iron bath they will be difficult to weld. Riveting the two halves would be ok though.
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Pfft no need for that nonsense just glue 'em together, its what Stockton did

danlightbulb said:
Not sure but there are (presumably) international maritime safety standards? Its amazing that the authorities didn't somehow detect the issues here sooner and then block the activity.
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Operating in international waters so (deliberately) outside the national maritime regulations. Apparently the titanium domes were only rated for 1000m and the sub planned to go down 4000m, they offered to make them rated to the higher spec/depth but Stockton said nah, don't need that and didn't tell the passengers either. Even the sub complete with vunerable carbon fibre hull was left outside in all weathers during the winter in the prior season
 
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Blackjack Davy said:
Pfft no need for that nonsense just glue 'em together, its what Stockton did


Operating in international waters so (deliberately) outside the national maritime regulations. Apparently the titanium domes were only rated for 1000m and the sub planned to go down 4000m, they offered to make them rated to the higher spec/depth but Stockton said nah, don't need that and didn't tell the passengers either. Even the sub complete with vunerable carbon fibre hull was left outside in all weathers during the winter in the prior season
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It's almost unbelievable. Had the man survived he should have faced prison.
 
Blackjack Davy said:
Operating in international waters so (deliberately) outside the national maritime regulations. Apparently the titanium domes were only rated for 1000m and the sub planned to go down 4000m, they offered to make them rated to the higher spec/depth but Stockton said nah, don't need that and didn't tell the passengers either. Even the sub complete with vunerable carbon fibre hull was left outside in all weathers during the winter in the prior season
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There must still be rules though? Like you can't take someone out to international waters and kill them, it's still murder somehow there must be an international agreement that operates all round the world. Or, I couldn't just go and build a nuclear reactor in international waters to get around any safety regulations (I assume).
 
danlightbulb said:
There must still be rules though? Like you can't take someone out to international waters and kill them, it's still murder somehow there must be an international agreement that operates all round the world. Or, I couldn't just go and build a nuclear reactor in international waters to get around any safety regulations (I assume).
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Probably. I don't think maritime laws would apply, because the vessel is too small, but it's very possible that simple manslaughter might. I think if the guy was alive then certainly he would be hauled up in front of a court.
 
Harlequin said:
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Interesting.

I don't quite agree with his interpretation.

If the hole was at the front, the backward travelling pressure wave would cause the rear dome to pop off, but it wouldn't cause the debris that has been pushed backwards in to the dome. The only way that debris can get there is if prior to it being pushed backwards, the pressure vessel collapsed. In other words it collapsed in the middle then the fragmented carbon fibre was pushed forwards and backwards in to the domes. The rear dome was strong enough to take the impact, just, and only popped off. The front on the other hand blew outwards at speed and the fragmented carbon fibre and the ring were lost. This makes sense when you consider that the front dome was removable and was not particulaly well attached to the vessel (the theory being that pressure holds it in place..which of course is correct unless the vehicle implodes).
 
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