[simpits-tech] Forming polycarb..

[Sean Galbraith]

At 07:23 AM 6/12/02 -0500, you wrote:
>HI Sean and Roy
>
>You brave souls... ; )
>
>WHo is doing the A-4? Id like to know more about that.

<hand_raised>  Guilty.

http://homepages.paradise.net.nz/seang1/

Sean.




>Chris W
>----- Original Message -----
>From: "Roy Coates" <roy@flightlab.liv.ac.uk>
>To: "Simpits List" <simpits-tech@simpits.org>
>Sent: Wednesday, June 12, 2002 6:50 AM
>Subject: Re: [simpits-tech] Forming polycarb..
>
>
> > On Wed, 12 Jun 2002, Sean Galbraith wrote:
> >
> > > Well it's time to learn a new skill :)
> > >
> > > I have almost completed the front windscreen on the A-4 so next up is
>the
> > > main canopy.. complete with complex curves!
> > >
> > > Does anyone have ideas/suggestions for how I can achieve this?  The
>canopy
> > > is being framed with aluminium, so strength is not the real issue, just
>the
> > > shape.
> >
> > Having talked to our materials guys, and perusing the materials database -
> > Acrylic sheet was recommended to me since this responds well to heat in
> > that once its shape is changed, it'll stay changed!
> >
> > You need to uniformly heat the sheet until it becomes plyable enough to
> > take up the shape you need, then allowed to cool. The big problem is
> > providing the uniform heat.  I tried - and failed ;)
> >
> > --
> >
> > Roy.
> >
> >
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