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Glass, or to glass
Steve, Mike here in Malaysia
To really work at the depths we go for enjoyment, the glass in your
windows would have to be probably 4-5 inches thick to provide enough
strength from external pressure, but then you wouldn't be able to SEE
anything, so what's the use? Corning Glassworks in NY has developed a
glass which is as strong as steel but you might want to ask prices.
FWAFS,
Mike
---protek@shreve.net wrote:
>
> Steve,
> You are scaring me. Ordinary glass is not that hard to break
and with
> a 10 inch unsupported area I would not want to dive the sub. You
should
> get professional advise on known materials. Don't make assumptions
that it
> will work. A 10 inch window is very large! Your window is also
probably
> not round. This can cause a lot of other problems with window
materials.
> Get some pro advise. Personally I would NEVER use ordinary off the
shelf
> glass for a sub.
>
> Gary Boucher
>
> At 06:41 PM 8/4/98 PDT, you wrote:
> >I know that most of you use acrylic for your portholes. I was
wondering
> >if anyone has tried using actual glass? Now, I know that sub
windows
> >are not something to skimp on, just to save a couple of bucks! But
I
> >already have a big piece of 1.25 inch glass, and 1 square foot of
the
> >same acrylic will cost me 75 clams! If I had a 10 inch diameter
glass
> >window that was 1.25 inch thick, what depth would be safe???
> >
> >
> > Steve McColman, Vancouver Island
> >
> >
> >______________________________________________________
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> >
> >
>
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