[PSUBS-MAILIST] Non developable surfaces

[Alec Smyth]

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>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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