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Re: [PSUBS-MAILIST] Concrete submarine



I haven't had the time to quality check it yet.
I have finished the section about cylindrical shell and is about to
start on conical shell before ending it with spheres.

OK I will submit it in a few days, I would be grateful if sombody took
the bother to quality control it :-)

On 1/18/07, David Cutajar <davecutajar@djcengineering.com> wrote:
Are you kidding? Everyone would probably be interested. It would be another
tool to compare with the Psub spreadsheet.
-David Cutajar

----- Original Message -----
From: "Øystein Skarholm" <skarholm@gmail.com>
To: <personal_submersibles@psubs.org>
Sent: Thursday, January 18, 2007 1:39 PM
Subject: Re: [PSUBS-MAILIST] Concrete submarine


>I have been looking around the net for some hours now, trying to to
> find out more about C-subs. Does anybody know if there is a huge
> difference in calculating the pressurehull capacity of a concrete hull
> compared to a steel hull? As the guy claims on his web site: It cheap
> and requires almost no maintenance.
> One other thing. I have made a Mathcad sheet (si units) for
> calculating stress in hull under external pressure. based on ABS rules
> for building and classing underwater vehicles......
> I have done the tubular part and will soon start on the spherical
> part. Anybody interested in such a sheet?
>
>
> On 1/18/07, Ian Roxborough <irox@ix.netcom.com> wrote:
>>
>> Yeah the website is new (to me anyway).  I think this guy was
>> posting to the psubs mailing list a couple of years back (and
>> also shared some pictures then).  But the website has better
>> pictures.  Hope we gave him a better welcome than he's getting on
>> rec.boats.building, one reply accusing him of faking the
>> pictures.... moron...
>>
>> Ian.
>>
>> On Thu, 18 Jan 2007 10:35:34 -0500
>> Michael Holt <mholt@ohiohills.com> wrote:
>>
>> > I think we've seen this before, but I don't recall having access to a
>> > website.  A note was placed here:
>> >
>> > http://groups.google.com/group/rec.boats.building/browse_thread/thread/4d063f6278116dfb?hl=en
>> >
>> > It led to this website:
>> >
>> > http://www.tolimared.com/submarine
>> >
>> >
>> > M
>> >
>> > --
>> > It's amazing, really, how much people think you must know if you know
>> > about something nobody else much cares about.  -Tommy Whittaker
>> >
>> >
>> >
>> >
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>
>
> --
> Vennlig hilsen
> Øystein Skarholm
>
>
>
>
> ************************************************************************
> ************************************************************************
> ************************************************************************
> The personal submersibles mailing list complies with the US Federal
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> PSUBS.ORG
> PO Box 53
> Weare, NH  03281
> 603-529-1100
> ************************************************************************
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>




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--
Vennlig hilsen
Øystein Skarholm




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