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Re: [PSUBS-MAILIST] glueing acrylic
I got a quote for a 24"X24"X4" at being around $500.00 if I remember correctly. This would be for my " doughnut " (Torus) idea for a viewport.
Brian
----- Original Message -----
From: "Coalbunny" <coalbunny@wyoming.com>
To: <personal_submersibles@psubs.org>
Sent: Friday, October 15, 2004 8:57 AM
Subject: Re: [PSUBS-MAILIST] glueing acrylic
> Which is better under pressure, Lexan or acrylic? And how expensive
> does it get when it's 4" thick (by the square foot)?
> Carl
>
>
> Brian Cox wrote:
> > You can get acrylic as thick as 4" so that way you would glue less pieces.
> >
> > Brian "cement" Cox
> >
> > ----- Original Message -----
> > From: Emile <mailto:2stroke@hetnet.nl>
> > To: personal_submersibles@psubs.org
> > <mailto:personal_submersibles@psubs.org>
> > Sent: Friday, October 15, 2004 8:20 AM
> > Subject: Re: [PSUBS-MAILIST] glueing acrylic
> >
> > Thank you for the useful information,
> >
> > I was studying the possibility of constucting a dome from ring of 50
> > mm acrylic plate and then machine it (This was discussed before).
> > Just add 25 % wall thickness for glue uncertainty.
> > Why not thust glue? All modern airliners are glued together.
> > I am also working on a tool for blowing a dome, wich has a better
> > material efficiency.
> >
> > Grs, Emile
> >
> >
> >
> > ----- Original Message -----
> > From: No Periscope <mailto:noperiscope@yahoo.com>
> > To: personal_submersibles@psubs.org
> > <mailto:personal_submersibles@psubs.org>
> > Sent: Friday, October 15, 2004 4:42 PM
> > Subject: RE: [PSUBS-MAILIST] glueing acrylic
> >
> > I worked for the university of Colorado for a few years and we
> > used lots of Acrylic for building test models of buildings and
> > Dams and just about any thing that needed to be built. We used
> > a glue called PS 30 and it was very strong. It's a two part
> > glue and if the two components where not in just the right
> > amount it would craze. But I never saw any of the joints
> > separate. However,,,,I would never ever consider using anything
> > but a full piece for a view port. DJB
> >
> > Pierre Poulin <pipo305@hotmail.com> wrote:
> >
> > Hi emile,
> >
> > My friend work at the university here and he glue acrylic
> > all the time. I
> > asked him and here is the answer...
> >
> > You need: a tank about 0.5" deep and Dichloromethane (french
> > word sorry).
> >
> > How to do: let's say you have a viewport of 8" diameter. you
> > need about 1/8"
> > of Dichloromethane on the bottom of the tank, then you drop
> > the viewport
> > into the tank so all the surface you want to glue is dipping
> > in the dich...
> > wait for about 15 secondes, pull up the viewport about press
> > it to the other
> > surface.
> >
> > Results: My friend says that you may have some small bubbles
> > trapped between
> > the 2 parts. As for strenght, he says that it is as strong
> > as a full plate
> > of acrylic. he does boxes shape and when they "destroye"
> > them, the acrylic
> > almost always break right next to the join. Not the join itself.
> >
> > Hope it helps!
> >
> > P! ierre Poulin
> > "building a dry-ambient sub"
> >
> >
> > >From: "Emile" <2stroke@hetnet.nl>
> > >Reply-To: personal_submersibles@psubs.org
> > >To:
> > >Subject: [PSUBS-MAILIST] glueing acrylic
> > >Date: Fri, 8 Oct 2004 15:12:20 +0200
> > >
> > >Hello all,
> > >
> > >Can anybody help me to some accurate data about glueing
> > acrylic to acrylic?
> > >the following points:
> > >
> > >-how stong. absolute and relative to the acrylic
> > >-methods/ materials
> > >-optical quality
> > >
> > >thanks in advance.
> > >
> > >Emile D.L. van Essen
> > >www.AiResearch.nl
> >
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