Re: [PSUBS-MAILIST] our concrete(semi)submarin

[Coalbunny <coalbunny@onewest.net>]

Mark, there's something about what you wrote that made the song "Yellow
Submarine" by the Beetles pop in my head.  And now I can't get it out! 
ARRRRRRGH!
Carl

"...we all lived in a yellow submarine, a yellow submarine, a yellow
submarine!  We all lived in a yellow submarine, a yellow submarine, a
yellow submarine!...."


Marko Thiele wrote:
> 
> Hi
> 
> I'd just put some pictures in the web of our concrete submarine project and
> thought you might be interested in it thought the pictures are more of
> private nature and for my team and not for documentation. But I think you
> can still see some of the highlights.
> We are building this sub for the 9. annual concrete canoe race in Germany
> that will be held in June this year.
> The sub is not a 1atm submarine since we got no experience with submarines
> and are all very scared of the pure thought of being caught in it. But it
> will still be a dry sub. The sub is also a extreme low budged project and a
> lot is just improvised.
> The model you can see on some of the first pictures was an old design
> concept and is now no longer relevant. I don't have the new sketches here so
> I cant post them right now and I don't think an FEM calculation that I did
> will help you guys very much but I'd still put one screenshot in between the
> pictures (it shows one of the moment's [Mx] of my elements).
> Most of the sub will be in concrete since it is a concrete contest. The
> concrete will be reinforced with fiber in the thinner parts but I hope we
> will also have the opportunity to put some real steel rebars down in the
> baseplate.
> The pictures you can see show mostly the formwork for the concrete form. On
> Friday we are going to pure the concrete over this form and we will see what
> happens.
> On some point I will have to write an construction report and once this it
> done I will post it here (even if translating it to English will mean some
> extra work).
> 
> And wee still have some urgend problems that are not solved yet.
> 
> 1. the sub has to be human powered, so we will try to build some pedaling
> propulsion but we don't know how up to now
> 
> 2. how about board radio ? I want to use CB radio and just hope that it will
> carry out of the water but I don't know about that and I definatly want some
> means of communication with the crew aboard
> 
> 3. where to put the ships screw
> 
> but I'm confident we will solve them
> 
> so long
>  marko
> 
> PS: the link to the pictures is http://www.betonboot.de/baubilder
> 
> -----Ursprüngliche Nachricht-----
> Von: owner-personal_submersibles@psubs.org
> [mailto:owner-personal_submersibles@psubs.org]Im Auftrag von Marko
> Thiele
> Gesendet: Samstag, 19. Januar 2002 01:07
> An: Personal_Submersibles@psubs.org
> Betreff: [PSUBS-MAILIST] concrete Submersible ?
> 
> hi,
> 
> My Name is Marko Thiele and I'm new to this mailinglist. I just thought to
> introduce myself. I'm from Germany and an structural engineering student at
> the Dresden University of Technology.
> The following question I got for you folks might not sound very smart, but
> I'm serious and hope for an serious answer.
> So here it is.....
> 
> does anyone of you know if anyone has ever attempted to build a Submersible,
> Submarine or similar out of concrete ?
> (yes, I mean indeed this rock like material)
> 
> If anyone knows something about this, or thinks he knows that this has never
> been done, I would love to here from him.
> 
>  so long...
>     Marko

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