Hello Carsten,
Thank´s for confirming my argument that what makes concrete most convenient is
the fact that steel forming ends when plates become a few cm of thickness.
I apreciate this from a naval engineer that is forming the worlds most
exceptional private submarine from steel right now...
I have seen a documentation for the virgina class submarine where they roll
thick steelplates on building site in red hot status to form the hull.
Imagine cost ! - well that is US military - and imagine a process for a sperical
pressure hull of several centimeters - trieste had one of 2m Diameter formed
from 3 pieces at krupps super cannon facility - was the only site in the world
which could do it !
For your 9000 feet deep diving autonomous sub we are talking of wall thickness
of about 1m - i can not imagine any other material than concrete in this.
Kindest Regards,
Wilfried
> Concret is a pressure tight material - and steel is at
> the moment unbelivable expensive.
>
> I purchase my steel hull 16 m x 2,5m x 22mm in 2002 for 50.000 euro
> about 64500 USD. I would like to here what it is in concret for further
> projects..
>
> Special for really deep diver were steel gets to thick and most supplier
> quit..
> To bend 200 mm strong steel to a shell is not easy and maybe really expensive
> - but to make the same boat in 500-800 mm concret should be no problem.
>
> A ocean going psubs for 9000 feet..
>
> For small shallow water Subs I still think steel is the better way.
>
> Best Regards Carsten
>
>
> "Øystein Skarholm" <skarholm@gmail.com> schrieb:
> > Carsten
> >
> > Don't you have a huge thing going on enouh? he he
> > The only problem I see is the cost of shipping that thing all around
> > the world to Norway.
> >
> > On 2/12/07, MerlinSub@t-online.de <MerlinSub@t-online.de> wrote:
> > >
> > > Wau... thats cheap. Carsten
> > >
> > > Yust for my pleasure what will be a hull 16 x 2,5 x 0,18 ? Including 3
> pressuretight hempispharical bulheads..
> > >
> > > regards Carsten
> > >
> > > <clientes@tolimared.com> schrieb:
> > > > Hello Oystein,
> > > >
> > > > I can do it for 6633 Euro.
> > > >
> > > > A submarine Hull 20 tons displacement 9m x 2,5 m 18 cm hullthickness
> > > >
> > > > (http://tolimared.com/submarine)
> > > >
> > > > Kindest Regards,
> > > > Wilfried
> > > >
> > > > > Hwat costs are we talking about. Complete sub like your previous.?.
> > > > >
> > > > > On 2/12/07, Øystein Skarholm <skarholm@gmail.com> wrote:
> > > > > > On 2/12/07, clientes@tolimared.com <clientes@tolimared.com> wrote:
> > > > > > >
> > > > > > > Hello Øystein,
> > > > > > >
> > > > > > > concrete submarine yacht - building time
> > > > > > >
> > > > > > > I can have a hull ready in less than 3 months and ship it
> wherever you
> > > > > want...
> > > > > > >
> > > > > > > Wilfried
> > > > > > >
> > > > > > > -------------
> > > > > > > Øystein Skarholm / psubs.org / 11 Feb 2007
> > > > > > >
> > > > > > > concrete submarine yacht - want to build one -
> > > > > > >
> > > > > > > How long time will it take you to build a hull 10 meters long
> 2,5
> > > > > > > meter Dia with 200mm thick walls?
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
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> >
> >
> >
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