Re: [PSUBS-MAILIST] In my search for a simple, cheap pressure hull ...

["Eliezer Rodriguez" <eliezer_rodriguez@hotmail.com>]

Thats really true. Basicly for someone who wants an ambient sub to explore 
and also don't want to invest too much money in something hi-tech (I refer 
to deep submersibles), I consider that fiberglass is an option but, always 
putting safety first. - Cruise on the surface and dive where is not beyond 
the safety depth.-

Eliezer Rodriguez
"The only thing in life to fear is fear itself."



>From: Lew Clayman <lew_clayman@yahoo.com>
>Reply-To: personal_submersibles@psubs.org
>To: personal_submersibles@psubs.org
>Subject: Re: [PSUBS-MAILIST] In my search for a simple, cheap pressure hull 
>...
>Date: Wed, 7 Nov 2001 11:04:24 -0800 (PST)
>
>--- Ian Roxborough <irox@ix.netcom.com> wrote:
>
> > 3) Doesn't shaping all that wood add extra work to the
> > pressure hull construction?  More so if you are constructing
> > a spherical pressure vessel.
>
>Doesn't welding all that steel add work?  No free lunch!
>
>Ply, and other sheetgoods, can only be flexed into cylinder sections or 
>conical
>sections, or a few other similar shapes.  To a very slight degree, ply can 
>be
>"tortured" - that is to say, stretched - into additional shapes.  But 
>cylinders
>are the basis of most hull designs, in part because sheet steel is a sheet
>good.
>
>I wouldn't sweat the geometry on this basis, I'd sweat it for 
>can-it-do-the-job
>reasons.  Getting the shape built is the easy part, in wood.
>
>-L
>
>
>
>=====
>"It's never happened in the World Series competition, and it still hasn't."
>              - Yogi Berra
>=====
>
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