Wow. Rube Goldberg would love it. Seriously though, why the
extensive effort to avoid syntactic foam? Syntactic foam is
microspheres in epoxy. If you put them in a container
with air spaces between them, they won't be incompressible. The housing would
have to support itself. Why not use foam?
Rob
djackson99@aol.com wrote:
> Sorry for not being clear; yes I am thinking of building floats. The >
idea is to have an easy syntactic foam replacement that takes > advantage of
the higher psi glass bubbles and offsets their higher > density by just
filling a fiberglass container with them instead of > adding them to a epoxy
resin as normally done from creating syntactic > foam.
>
> To build the container, you could cut styrene foam to fit your hull >
shape and desired external shape, then cover the styrene foam with a >
durable layer of fiberglass. You might want to embed aluminum > sheeting for
armor, especially on the external side but also for > mounting tabs that
will make it easy to bolt the float onto the hull. > Then drill a hole
through the fiberglass; dissolve the styrene foam > with acetone; refill the
container with glass bubbles; and seal the > hole. >
> --Doug J
>
www.submarineboat.com
> > > -----Original Message-----
> From:
emile@airesearch.nl
> To:
personal_submersibles@psubs.org
> Sent: Sun, 22
Apr 2007 2:37 AM
> Subject: RE: [
PSUBS-MAILIST] Glass
microspheres idea
>
> Doug,
> > (most of) The space will be consumed. Is your idea only for
buoancy > reason??
> > Regards, Emile
> > ------------------------------------------------------------------------
> *Van:*
owner-personal_submersibles@psubs.org > <
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ComposeTo("owner-personal_
submersibles%40psubs.org", > "");>
[
mailto:owner-personal_submersibles@psubs.org > <
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ComposeTo("owner-personal_
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"");>] *
Namens *
djackson99@aol.com > <
_javascript_:parent.
ComposeTo("djackson99%40aol.com",
"");>
> *
Verzonden:*
zondag
22
april 2007 6:58
> *
Aan:*
personal_submersibles@psubs.org > <
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ComposeTo("personal_
submersibles%40psubs.org",
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> *
Onderwerp:* [
PSUBS-MAILIST]
Glass
microspheres idea
> > I was wondering about using glass
microspheres
and air as a filler in > a fiberglass compartment. For example, build a
figerglass tank, then > fill it with 10,000 psi
glass bubbles and seal it off. I know each > sphere would be loaded at
points of contact with it neighbors but I > seems like it would work to at
least 3000
ft. >
> Please let me know what you think.
>
> Here is a link to 3M's Selection Guide:
>
http://multimedia.mmm.com/mws/mediawebserver.dyn?FFFFFFoMYRUF&i2Fsi2FFFSzlqBeeeeD- > <
http://multimedia.mmm.com/mws/mediawebserver.dyn?FFFFFFoMYRUF&i2Fsi2FFFSzlqBeeeeD-> >
>
> Doug J
> Tulsa,
Ok
>
www.submarineboat.com
<
http://www.submarineboat.com>
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