Re: [PSUBS-MAILIST] Sub as panoramic film platform

[MerlinSub@t-online.de]

"Nothing wrong with a 27:1 safety ratio anyway.  :)"

Hey thats good.. 

vbr Carsten







"Jon Wallace" <jonw@psubs.org> schrieb:
> 
> Hi Brian,
> 
> I figured it was something like that.  Nothing wrong with a 27:1 safety 
> ratio anyway.  :)
> 
> Other than the labor of cutting and grinding the thru-hulls, I can't 
> think of any reason you couldn't reuse the flanges if you wanted to.
> 
> Jon
> 
> 
> 
> On 9/22/2010 10:39 PM, Brian Cox wrote:
> > Jon,
> >               Back when I started I was designing for a 3/8" thick 
> > pressure hull and more depth, now I'm leaning toward a 1/4" pressure 
> > hull.  I made the viewport flanges a long time ago.   BTW,  what would 
> > be the feasibility if someday I decided to upgrade to a thicker 
> > pressure hull and wanted to cut out those viewport flanges and reweld 
> > them into a different pressure hull?  Aside from a lot of grinding 
> > would there be any issues that would prevent one from doing that that 
> > you know of?  The viewing area is actually only 4.5"
> >
> 




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