Re: [PSUBS-MAILIST] Propane Tank Submarines, Racing in a Hay Field ; )'

["Sean T. Stevenson" <cast55@telus.net>]

IIRC, ABS requires that a certified sub be designed to accommodate an internal
pressure of 1atm above ambient.

Also, despite considerable research and corresponding background knowledge,
James Cameron took a fair bit of artistic leeway with that film.  If you look at
the DeepCore rig, the moon pool air/water interface is actually at a higher
level than the lower hatches of the tri-module cylinders, which of course would
not permit opening those hatches without flooding these structures to the moon
pool level.

-Sean


Quoting Brent Hartwig <brenthartwig@hotmail.com>:

> How do you get your hourses to quit spitting out there snorkels.  I'm going
> to have to get some elephants. 
>  One thing I found interesting about the Abyss, was that if they have
> equalized the pressure at depth, so they can enter the subs in the moon pool.
> Then all the componates inside the sub would need to be able to handle that
> massive pressure.  Also once they close the hatch and leave, if they wanted
> to assend even a short distance they would need to bleed off internal
> pressure or have the sub designed to handle hyperbaric pressure.  
> I know it's just a movie, but it's interesting to think about. I learned a
> thing or two from that movie, CPR was one of them. ; )'  The other was not to
> marry a sub designer.
> Brent





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