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Re: [PSUBS-MAILIST] plywood submarine

To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] plywood submarine
From: Ian Roxborough <irox@ix.netcom.com>
Date: Tue, 28 Feb 2006 19:40:51 -0800
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Reply-to: personal_submersibles@psubs.org
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There is picture of the Undaunted under the 2003 convention section
of the psubs website:
 http://www.psubs.org/convention/2003/pics.cgi?pics/k350-2/PDR_0034.JPG

Although I think we could do with some more.

Ian.

On Wed, 01 Mar 2006 02:30:44 +0000
"Joseph Perkel" <joeperkel@hotmail.com> wrote:

> "throw together a quick and dirty plywood wet sub first.  Take a dozen dives.  You will learn a lot about design, construction, testing, operations"
> 
> Well now Doug, that would indeed be the smart play and your obvious attempt to save someone potential grief based on your own experience is greatly appreciated. Rest assured, I am looking at what doesn't work with greater interest than what does. I like to think I'm pretty good at risk management.
> 
> I've been at this game a very short while, and my concept to date, is a compilation of facts and ideas that I have garnered from people on this forum (sometimes reluctantly), various books, and websites like yours. And yes, I read and will re-read many times, the presentation on "Undaunted". I eagerly await those pictures as well.
> 
> I have watched it morph (my design) from a neophytes initial perversion, to what is becoming, in my view, a viable design that is a piece of everybody else's doing. I am simply the organizer, conductor, manager, producer...etc.
> 
> It's damn fun too!
> 
> Joe
> 
> 
> 
>  
> ------------------------------------------------
> From: sealordone@aol.com
> Reply-To: personal_submersibles@psubs.org
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] plywood submarine
> Date: Tue, 28 Feb 2006 13:23:50 -0500
> 
> Ludvig,
>  
> I will take a few shots of the Undaunted when I get out to the Lake House next month, and then post them on psubs.org.
>  
> I brought the Undaunted up to Manchester for the annual convention a few years ago.  Did anyone take any photos of her you could share with Ludvig?
>  
> I personally recommend that anyone interested in submarining throw together a quick and dirty plywood wet sub first.  Take a dozen dives.  You will learn a lot about design, construction, testing, operations, and what it feels like to captain your own boat.
>  
> Doug Farrow
> SeaLordOne
>  
>  
>  
> -----Original Message-----
> From: Ludvig Langborg <givdul90@hotmail.com>
> To: personal_submersibles@psubs.org
> Sent: Tue, 28 Feb 2006 13:31:18 +0000
> Subject: Re: [PSUBS-MAILIST] plywood submarine
> 
> Hi Ray! 
> That was very interesting. 
> Do you know if there are any pictures of the Undaunted? 
> Best regards: 
> Ludvig 
>  
> >From: Ray Keefer <psubs2001@yahoo.com> 
> >Reply-To: personal_submersibles@psubs.org 
> >To: personal_submersibles@psubs.org 
> >Subject: Re: [PSUBS-MAILIST] plywood submarine 
> >Date: Mon, 27 Feb 2006 16:58:07 -0800 (PST) 
> > 
> >Hi Ludvig, 
> > 
> >Doug Farrow gave us a lecture at the 2002 and 2003 
> >PSUBS Conventions. Here is a link to the 2003 material 
> >Doug provided: 
> > 
> >http://www.psubs.org/convention/2003/BuildingAWetSub.ppt 
> > 
> >I do have to caution you. Doug admitted the design was 
> >a bit unstable under water. Looked fine from the 
> >spectators point of view who could not see it 
> >porpoising up and down under the surface. 
> > 
> >Regards, 
> >Ray 
> > 
> >--- Ludvig Langborg <givdul90@hotmail.com> wrote: 
> > 
> > > Hi Ray! 
> > > Thanks for the information. 
> > > Do you know were i can find more information or 
> > > pictures of the Undaunted. 
> > > Best regards: 
> > > Ludvig 
> > > 
> > > 
> > > >From: Ray Keefer <psubs2001@yahoo.com> 
> > > >Reply-To: personal_submersibles@psubs.org 
> > > >To: personal_submersibles@psubs.org 
> > > >Subject: Re: [PSUBS-MAILIST] plywood submarine 
> > > >Date: Sun, 26 Feb 2006 21:53:08 -0800 (PST) 
> > > > 
> > > >Hi Ludvig, 
> > > > 
> > > > Doug Farrow built Undaunted from plywood. The 
> > > Undaunted is an ambient 
> > > >submersible. Which means the hull was not pressure 
> > > proof. Still it was an 
> > > >operational submersible. 
> > > > 
> > > > Regards, 
> > > > Ray 
> > > > 
> > > >Carsten Standfuss <Merlinsub@t-online.de> wrote: 
> > > > Hi Ludvig, welcome to the group. 
> > > > 
> > > >The only plywood sub I know was the Submanaut from 
> > > Helle Engineering 
> > > >Inc., San Diehgo, calif. USA build in 1964. 
> > > > 
> > > >The Pressure hull was made from 103 mm strong 
> > > Plywood and GFK /GRP cover 
> > > >of 19 mm. So 122 mm or 4.8 inch in total. Its run 
> > > up to 1969 and was 
> > > >used to test electronics. Makes 45 Dives and 65 
> > > dive hours. 
> > > > 
> > > >The pressure hull looks like a egg. Exit hatch was 
> > > 420 mm diameter 
> > > >Sail high 600mm. Hardtank of 50 Liter, Drop weight 
> > > of 135 kg. 
> > > > 
> > > >Dive deep was 60 meter and calculate destroy was 
> > > 305 meter. 
> > > >Hull was 1,2 x 2,4 , length 2,9m - beam 1,8 - high 
> > > 1,7 m. 
> > > >Weight 1,8 t 2 Person sub. One windo of 610 mm in 
> > > the bow. 
> > > > 
> > > >One main drive iof 1,1 kw and two other of 0,75 kw. 
> > > >Powered by 24 v 5 kwh battey. Speed was 1 kn for 
> > > four hours or 1,5 kn 
> > > >for 2 hours. 
> > > > 
> > > >Equipment was : Kompass, sounde, telephon, 
> > > Tracking-Pinger and other 
> > > >electronics. 
> > > > 
> > > >A pressure hull of such strong plywood and such 
> > > strong GRP sounds 
> > > >expensibve to me. Maybe the only reason to make it 
> > > such way was to 
> > > >the test the electronics. 
> > > > 
> > > >Source of information : 
> > > >Tauchboote, Norbert Gierschner, Transpress, Berlin 
> > > 1980 
> > > > 
> > > >There is another guy in sweden building psubs, 
> > > called Anders 
> > > >build a siub called Malen - contact me privat if 
> > > you wish his email 
> > > >adress. 
> > > http://www.euronaut.org/index.php@page=euro.html 
> > > > 
> > > >Best regards Carsten 
> > > > 
> > > > 
> > > > 
> > > >Ludvig Langborg schrieb: 
> > > > > 
> > > > > Hi 
> > > > > My name is Ludvig. I live in Sweden and i am new 
> > > in the Maling list. 
> > > > > At psubs.org under FAQ "What are psubs made of?" 
> > > it says that they can 
> > > >be 
> > > > > made of painted plywood. 
> > > > > Dose anyone know someone who has built a sub 
> > > from plywood? 
> > > > > Regards: 
> > > > > Ludvig Langborg 
> > > > 
> > > > 
> > > > 
> > > 
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- Re: [PSUBS-MAILIST] plywood submarine
  - From: "Joseph Perkel" <joeperkel@hotmail.com>
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