RE: [PSUBS-MAILIST] acrylic viewport thickness

[Dave Everett <deverett@idx.com.au>]

At 08:01 AM 22-02-05, you wrote:

> Rick,
>
> I'd really recommend you get yourself a copy of the PVHO. It's a little 
> pricey, but one of the most valuable texts out there in terms of the 
> usefulness of the information. What you'll find is formulas and guidelines 
> of a very practical nature for calculating just this sort of problem.
>
> There are two basic fabrication techniques for domes; you can cast them in 
> a mold, or blow them with compressed air. Casting is the method on all the 
> certified subs you mentioned, but a cast dome costs tens or even hundreds 
> of thousands of dollars.

I'll have a look on Google when I get back tomorrow. But in the meantime 
does anyone have links on acrylic casting for submersibles? I've done quite 
a bit of urethane casting and mold making.

Dave Everett 


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