[PSUBS-MAILIST] Non developable surfaces

[Marc de Piolenc]

Hmmm. If it were that brittle I would expect trouble in aeronautical 
uses. Might be a not-properly-annealed-after-forming problem.

Besides, how difficult would it be to provide a buffer that doesn't 
block too much of the view? That would take care of dock and support 
vessel bumps, and it seems to me that reasonably competent handling 
should obviate contact with rocks on the bottom?

Marc

On 2/16/2014 11:48 AM, Alec Smyth wrote:
> Gents, the only problem about using acrylic for the MBT is that it
> shatters on impact. And there are _always_ impacts against rocks, the
> surface support vessel, docks, trailers, etc. Not that there isn't great
> value in making things like fairings from acrylic, but personally I'd
> stay from it for the MBTs except as framed windows.
>
>
> Best,
>
> Alec
>
>
> On Sat, Feb 15, 2014 at 9:17 PM, Marc de Piolenc <piolenc at archivale.com
> <mailto:piolenc at archivale.com>> wrote:
>
>     Yowza! That is extremely valuable information. If you should happen
>     to find it, would you post it where the rest of us can get our mitts
>     on it?
>
>     Best,
>     Marc
>
>
>     On 2/16/2014 9:50 AM, Michael Holt wrote:
>
>         On 2/15/2014 8:41 PM, Joe Perkel wrote:
>
>             Marc,
>
>             Those canopies of course, are made by industry with
>             industrial capital
>             and support. I was thinking more of a homegrown method.
>
>             Is it then possible to heat a flat sheet in a conventional
>             oven to x
>             degrees for x time, then form over a plug or mould, that
>             kind of thing.
>
>         The Markham submarine had instructions for blowing a bubble
>         canopy.   I
>         don't have a digital copy of those pages of the instructions.
>           Someone
>         else might have it ... I think someone sent me a copy a few
>         years ago,
>         but I can't find that right now.
>
>
>         M
>
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