Re: [PSUBS-MAILIST] Alternative hull material.

[Warren Greenway <opensourcesub@yahoo.com>]

Price Kevlar...You'll be back to steel. No, I'm not
one of those nuts that insists only steel will work
for a hull, but it DOES work. Composites will take 
the lead, if the research is done, which it will be.
Kevlar, though, will take some time. I was in a 
design discussion for a recreational sub hull before,
and the design ended up as two thin shells of 
fiberglass that had a layer of glass matrix between
them. Resin was then slowly drawn in through a hole
in the bottom of the hull. The engineering brains 
that went into the design ensure me that the hull
would be stronger then steel and cheaper to make.
Kevlar? Do you have some cheap source, Mike? If so...

Warren.

--- Michael B Holt <tlohm@juno.com> wrote:
> Consider a fabric hull.
> 
> Build the frames of the proper steel, then cover the
> frame with kevlar
> cloth.   As long as the cloth is held securely to
> the frame, it's not
> going
> to rupture.
> 
> No, I'm not going to do this.    But it seems like a
> reasonable idea, if
> all the problems can be solved.
> 
> 
> Mike H.
> 
> 
>
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