Re: [PSUBS-MAILIST] Viewport design

[Coalbunny <coalbunny@onewest.net>]

Problem I have seen in the past Alec is that before an acrylic
manufacturer/former is willing to build the viewports, they also want
*certified* engineering schematics or something like that.  I checked
that out a few years ago with a acrylic manufacturer/former in Colorado.
Carl


> Alec Smyth wrote:
> 
> I can think of 2 options:
> 
> a) Locate a copy of the book "Acrylic Plastic Viewports" by Jerry
> Stachiw (see PSUBS references). Unfortunately this is next to
> impossible. Else you can go to Jerry's web page, www.hydroports.com,
> and order from a ton of reports. I have no idea what the cost of this
> is, although I'm sure the information is top notch.
> 
> b) Go to the ASME web page and buy the "PVHO" publication (Pressure
> Vessels for Human Occupancy). It costs a hundred something bucks, but
> its worth every penny. I've spent money on every conceivable
> sub-related thing, but these have to be the most worthwhile bucks of
> the lot. Its pretty much a viewport cook-book, based largely on
> Stachiw's research.
> 
> In either case, you'll then have to either make the ports yourself of
> have someone make them for you. Please, only use someone who makes
> viewports for subs. This is one area where the end product might look
> great but have hidden problems (e.g., incorrect material, improper
> annealing, etc.)
> 
> 
> - Alec
> 
> 
>  -----Original Message-----
> From: Floridarobots@aol.com [mailto:Floridarobots@aol.com]
> Sent: Wednesday, December 05, 2001 8:59 AM
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] Viewport design
> 
>      Where can I find (on the web) some details / drawings of
>      various viewport design ? I am making typical circular
>      viewports-flat in cross section and wanted to look at
>      various methods of gasket/ o-ring design
> 
>      Tom Mitzlaff

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