Re: [PSUBS-MAILIST] Viewport design question

[Rob Ossian <rob_neptune@yahoo.com>]

Ah - a non-pressurized enclosure would explain the
Oscar II's square windows..  Thanks!

That still doesn't explain the alternate application,
however, the large rectangular windows of the SeaWorld
variety.  Certainly an appropriately beveled viewport
(even with right angles) could be waterproofed
effectively in a similar fashion?

--- George Slaterpryce <gslaterp@hotmail.com> wrote:

> Plus round windows are less likely to push through.
> It's the same theory 
> behind manhole covers, no matter which way you turn
> them they won't fall 
> down the hole.
> 
> Although I wonder if you couldn't slope the window
> so that the outside 
> surface had 50% more area than the inside surface
> and the width of the windo 
> would be at a slope.... uh kind of like the attached
> gif shows.  this way 
> the stress would be distributed over a wider area,
> although the corners 
> would still chip after a while.
> 
> But if you want rectangular windows for asthetic
> purposes, could you not put 
> some kind of plating to block off the bottom, top
> and sides so it looks 
> rectangular?
> 
> ----- Original Message ----- 
> From: "Jay K. Jeffries" <bottomgun@mindspring.com>
> To: <personal_submersibles@psubs.org>
> Sent: Tuesday, March 07, 2006 10:59 AM
> Subject: Re: [PSUBS-MAILIST] Viewport design
> question
> 
> 
> > Rob,
> > Those windows are not pressure resistant.  They
> are for underway on the 
> > surface in inclement weather.  The space behind
> them are free-flooding.
> > Respectfully,
> > Jay K. Jeffries
> >
> > -----Original Message-----
> >>From: Rob Ossian <rob_neptune@yahoo.com>
> >>Sent: Mar 7, 2006 10:46 AM
> >>To: personal_submersibles@psubs.org
> >>Subject: Re: [PSUBS-MAILIST] Viewport design
> question
> >>
> >>
> >>Then, while researching further I came across
> these:
>
>>http://news.bbc.co.uk/olmedia/1330000/images/_1332322_windows_300.jpg
>
>>http://news.bbc.co.uk/olmedia/1615000/images/_1617932_windows_300.jpg
>
>>http://members.fortunecity.com/omegatimes/mdf100041.jpg
> >>
> >>These images are of right angled windows embedded
> in
> >>the conning tower of a Russian Antey-class [NATO
> name
> >>'Oscar II'] nuclear submarine, which has been
> claimed
> >>to be capable of diving to 600 metres (about 2000
> >>feet).
> >>
> >>Thoughts?
> >>/Rob
> >
> >
> >
> >
> >
> >
> >
>
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