[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [PSUBS-MAILIST] Concrete Hull material

To: personal_submersibles@psubs.org
Subject: RE: [PSUBS-MAILIST] Concrete Hull material
From: Robert Ossian <rob_neptune@yahoo.com>
Date: Fri, 30 Dec 2005 08:08:08 -0800 (PST)
Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=f4E8j/i7imClQHrurjuzDyo44/80U8yklEKfpcdEzhWNs24vmLwu81zR3wblxAICZvnCJdOAIruxq4COHbqwZY6TtCu48MKDu6xnM5/RA6VsneGqGaV5DyaZwuS6i07aHoPwps8azvpcR7VZsA/e6Qgef9pfvBar8JH6q6qC/+8= ;
In-reply-to: <4371B9E007C62D40A46FA016C2043E570757180B@cp_mail.cp.com>
Reply-to: personal_submersibles@psubs.org
Sender: owner-personal_submersibles@psubs.org

Relevant to the concrete sub discussion:
"CONCRETE SUBMARINES - Cheap and deadly, these
stealthy boats could shift the balance of naval
power."
BY JIM WILSON, Illustrations by John Batchelor 
Published on: December 1, 1998

http://www.popularmechanics.com/science/defense/1281166.html

The article reads like a tabloid, but it has some nice
cutaways showing how concrete could theoretically be
used in sub construction.

--- Alec Smyth <Alec.Smyth@compuware.com> wrote:

> How about if one built these components into
> standardized "tunnels"
> through the concrete, and add a good number of those
> up front? I'm using
> bolt on SS bulkheads for my hull penetrations, so
> that if I change the
> configuration of something there's no re-welding to
> do. This would just
> be an extension of that concept.
> 
> Alec  
> 
> -----Original Message-----
> From: owner-personal_submersibles@psubs.org
> [mailto:owner-personal_submersibles@psubs.org] On
> Behalf Of Carsten
> Standfuss
> Sent: Friday, December 30, 2005 4:33 AM
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] Concrete Hull material
> 
> 
> Hi Paul, I think the "Inliner" can be anything which
> form a nice rounded
> "cave". But I think this kind of design make only
> sence for vessels
> which should go deep. The most problem I see is the
> hull penetration
> design. Nearly anything has to be ready in design
> and build before you
> mix the concrete..  
> 
> That means a complete other way of work. All
> equipment like shafts,
> domes, hatches, drop weight keys etc. has to be at
> the shop before you
> start to mold the hull. 
> 
> Regards Carsten 
> 
> Paul Kreemer schrieb:
> > 
> > I think it's an interesting idea.  I was thinking
> that the internal 
> > form would be the hard part of a concrete sub but
> a propane tank might
> 
> > make a good start!  Could it be that this would be
> a less 
> > controversial use for propane tanks in sub
> construction?  :-)  Then 
> > you'd just need some lumber framing skill to build
> the exterior part 
> > of the mold.
> > 
> > It'd be interesting to see a discussion of:
> > *  rebar design
> > *  hull penetration design (ports, plumbing,
> hatches...)
> > *  concrete forumulas - mixing your additives
> (latex, fibers, etc.) , 
> > and
> > *  eliminating voids in your pour
> > 
> > After drawing the simple cross-section here my
> thought was, "Yeah, a 
> > concrete sub won't build itself."  Rolled steel
> still seems attractive
> 
> > to me.
> > 
> > Paul
> > 
> > On 12/29/05, Carsten Standfuss
> <Merlinsub@t-online.de> wrote:
> > 
> >      I do not agree..
> > 
> >      You can use for example a propane tank as
> "Inliner " Warp
> >      around some
> >      foot of concrete, cover this with tear and
> this hull can
> >      dive thousands
> >      of foot deep.
> > 
> >      We have here in the shipping museum a small
> 40 feet tug boat
> >      made from
> >      strong concrete. Looks still operable - its
> from short after
> >      world war II. :-) Metall was expensive during
> this period
> >      here in
> >      Germany ..
> > 
> >      Some new pictures on moki:
> > 
> >      http://www.prismnet.com/~moki/subfiles.html
> > 
> >      regards Carsten
> > 
> >      rick miller schrieb:
> >      >
> >      > guys
> >      >
> >      >     the discussion on concrete hulls
> reminds me of the
> >      home built boat craze
> >      > in the 70's using concrete hulls. while
> concrete is
> >      strong, it is very
> >      > fragile and does not take well to impacts.
> this sound like
> >      another propane
> >      > tank conversation.
> >      >
> >      > rick m
> > 
> >
>
************************************************************************
> >
>
************************************************************************
> >      
> >
>
**********************************************************************
> > **
> > 
> >      The personal submersibles mailing list
> complies with the US
> >      Federal
> >      CAN-SPAM Act of 2003.  Your email address
> appears in our
> >      database
> >      because either you, or someone you know,
> requested you
> >      receive messages
> >      from our organization.
> > 
> >      If you want to be removed from this mailing
> list simply
> >      click on the
> >      link below or send a blank email message to:
> >             
> removeme-personal_submersibles@psubs.org
> > 
> >      Removal of your email address from this
> mailing list occurs
> >      by an
> >      automated process and should be complete
> within five minutes
> >      of
> >      our server receiving your request.
> > 
> >      PSUBS.ORG
> >      PO Box 311
> >      Weare, NH  03281
> >      603-529-1100
> >
>
************************************************************************
> >
>
************************************************************************
> >      
> >
>
**********************************************************************
> > **
> > 
> >                            Name: cross-section.bmp
> >    cross-section.bmp       Type: Bitmap
> (image/x-bmp)
> >                        Encoding: base64
> 
> 
> 
>
************************************************************************
>
************************************************************************
>
************************************************************************
> The personal submersibles mailing list complies with
> the US Federal
> CAN-SPAM Act of 2003.  Your email address appears in
> our database
> because either you, or someone you know, requested
> you receive messages
> from our organization.
> 
> If you want to be removed from this mailing list
> simply click on the
> link below or send a blank email message to:
> 	removeme-personal_submersibles@psubs.org
> 
> Removal of your email address from this mailing list
> occurs by an
> automated process and should be complete within five
> minutes of our
> server receiving your request.
> 
> PSUBS.ORG
> PO Box 311
> Weare, NH  03281
> 603-529-1100
>
************************************************************************
>
************************************************************************
>
************************************************************************
> 
> 
> 
> The contents of this e-mail are intended for the
> named addressee only.
> It contains information that may be confidential.
> Unless you are the
> named addressee or an authorized designee, you may
> not copy or use it,
> or disclose it to anyone else. If you received it in
> error please notify
> us immediately and then destroy it. 
> 
> 
> 
> 
> 
>
************************************************************************
>
************************************************************************
>
************************************************************************
> The personal submersibles mailing list complies with
> the US Federal
> CAN-SPAM Act of 2003.  Your email address appears in
> our database
> because either you, or someone you know, requested
> you receive messages
> from our organization.
> 
> If you want to be removed from this mailing list
> simply click on the
> link below or send a blank email message to:
> 	removeme-personal_submersibles@psubs.org
> 
> Removal of your email address from this mailing list
> occurs by an
> automated process and should be complete within five
> minutes of
> our server receiving your request.
> 
> PSUBS.ORG
> PO Box 311
> Weare, NH  03281
> 603-529-1100
>
************************************************************************
>
************************************************************************
>
************************************************************************
> 
> 



		
__________________________________________ 
Yahoo! DSL ? Something to write home about. 
Just $16.99/mo. or less. 
dsl.yahoo.com 




************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003.  Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.

If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
	removeme-personal_submersibles@psubs.org

Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.

PSUBS.ORG
PO Box 311
Weare, NH  03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************

References:
- RE: [PSUBS-MAILIST] Concrete Hull material
  - From: "Alec Smyth" <Alec.Smyth@compuware.com>

Prev by Date: RE: [PSUBS-MAILIST] 2005 Award Nomination Status
Next by Date: [PSUBS-MAILIST] Advice for a newbie?
Previous by thread: RE: [PSUBS-MAILIST] Concrete Hull material
Next by thread: Re: [PSUBS-MAILIST] Concrete Hull material
Index(es):
- Date
- Thread