Re: Fw: Re: [PSUBS-MAILIST] Scuttle valve

[Steven Mills <cirtemoeg@juno.com>]

Thanks Carsten,

Didn't merchant ships have scuttle valves?  I've heard that cargo ships
have them in case they run aground or onto a reefs so that later it could
be salvaged in some way especially for insurance purposes?

--Steve


On Mon, 08 Mar 2004 23:43:20 +0100 "Carsten Standfuss"
<MerlinSub@t-online.de> writes:
> In submarines to pressurzie the hull - so that inside and outside
> pressure is equal and you can open the hatch to leave the dammage 
> sub
> :-o and ;-) 
> 
> Normal civilian ships have no "scuttle vales" ! - in war time and in
> face of a raider they just open the head of an seachest. Or a 
> manhole of
> a main ballstwatertank or something like that - main cooling water 
> pipe
> flange. 
> 
> On some german subs of WWII the have a vale with a closed 
> blind-flange -
> can be rebolted - and than just open the vale.  
> 
> On a psubs size of the cabin-flood-valve is important to flood the 
> boat
> in a short time of some minutes so the pilot ca scuba out before he
> freeze to dead or get to decompression-ill during the way to the
> surface. 
> 
> regards Carsten
> 
> Steven Mills schrieb:
> > 
> > Me again,
> > 
> > I have to correct myself here.  I think most all ships and boats,
> > regardless
> > of era, had scuttle valves, even civilian. I would wonder if there 
> be
> > "any" reason
> > to have one on a personal submersible? I know, seems like a 
> ridiculous
> > question to ask, but would there be?
> > 
> > --Steve
> > 
> > On Mon, 8 Mar 2004 13:40:57 -0800 Steven Mills 
> <cirtemoeg@juno.com>
> > writes:
> > > I believe, historically, most military ships and submarines of 
> the
> > > WWII
> > > era had scuttle valves.  I recall that film U571 [ I believe 
> that's
> > > it ]
> > > had the
> > > Enigma machine onboard and the Allies were after it.  Fearing
> > > capture
> > > of both sub and Enigma codes the crew made an attempt to scuttle 
> or
> > > sink it before it could fall into Ally hands.  They did not 
> succeed.
> > >
> > > Have you seen the film?  Are you interested in WWI and WWII era
> > > submarines
> > > and submarine development?
> > >
> > > regards, --Steve
> > >
> > >
> > 
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