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Re: [PSUBS-MAILIST] Viewport Toughness
All I know is that everytime I hear the "certain types
of stresses" I shudder. Please don't consider a
viewport
a bumper! (I'm not saying you do, Brian, so please
don't
take offense!) Either acrylic or glass, either way I
think you should prevent viewport impacts WITH
bumpers.
Warren.
--- Brian Cox <ojaibees@ojai.net> wrote:
> I have a question about using a glass dome, wouldn't
> a thick glass dome actually stronger than acrylic?
> But it would not be able to be used because of it
> propensity to shatter under certain types of
> stresses. Adam ?
>
> Brian Cox
>
> ----- Original Message -----
> From: "Adam Lawrence" <adteleka@in-tch.com>
> To: <personal_submersibles@psubs.org>
> Sent: Monday, October 06, 2003 7:30 AM
> Subject: Re: [PSUBS-MAILIST] Viewport Toughness
>
>
> > From what I have read, when a viewport breaks it
> starts by extruding itself
> > into the flange and then final failure is like a
> shotgun going off. Also,
> > failure initiates on the inside surface, where the
> acrylic is in tension.
> > Test it, that's the only way you'll know!
> >
> > Adam
> >
> >
> > ----- Original Message -----
> > From: "pierre&marie" <poulin.carrier@videotron.ca>
> > To: <personal_submersibles@psubs.org>
> > Sent: Monday, October 06, 2003 5:49 AM
> > Subject: [PSUBS-MAILIST] Viewport Toughness
> >
> >
> > > Hi People!
> > >
> > > I've been to a house building show here in cold
> Canada and there was a
> > boot
> > > that sold "unbreakable" windows for thief.
> > >
> > > They say that there technologie can change a
> normal window into a bullet
> > > proof window.
> > >
> > > The basic of that method is to put a high
> resistance thin plastic film
> > that
> > > stick on the window. Almost like a windshield.
> You should see me comming
> > > from now... I asked if we can put that film on
> acrylic and the said yes.
> > >
> > > Do you think that this could be helpful for
> psubs? It would not augment to
> > > strenght of the viewport but if it break it
> could prevent water from
> > comming
> > > inside the sub or prevent the viewport from
> imploding?
> > >
> > > Comments?
> > >
> > > Pierre "Viewport Strenghtener Technicien" Poulin
> > >
> >
> >
>
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