Re: [PSUBS-MAILIST] Viewport

["Øystein Skarholm" <skarholm@gmail.com>]

Thank you very much Carsten, John and Andy. How come you, Carsten,
choose to have no viewports at all on the Euronaut?
Are there any web sides where I can go and have a look at viewports?
Maybe with info about price as well. I think there is a lot of
considering to be done.






On 2/2/07, MerlinSub@t-online.de <MerlinSub@t-online.de> wrote:
> Di = 27 inch or 686 mm (clear view) for 300 meter
>
> s/d1 = 0,21 and 10°
> so s = Tickness = 0,21 x 686 = 144 mm or about 6 ich strong acrylic.
>
> Outside Diameter of glas should be between 1,25-1,5 of Di
> = 34 - 40 inch.
>
> Calculate to Germaninscher Lloyds rules.
>
> Dome will be better..  0,034 x 27 = about 1 inch thickness.
>
> Best regards Carsten
>
> "Øystein Skarholm" <skarholm@gmail.com> schrieb:
> > Does anybody know if flat view ports can go as deep as 250m - 300meter.
> > The view port size is off course critical here. I am thinking of a
> > view port size approximately 27 inch.
> > Where can I find material properties for strength calculation on acryl ?
> >
> > What is the best material for view ports anyway.
> > Hope somebody knows the answer or where to find the answer.
> >
> > Thanks
> >
> > --
> > Vennlig hilsen
> > Øystein Skarholm
> >
> >
> >
> >
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--
Vennlig hilsen
Øystein Skarholm




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