[simpits-tech] Projector screen material?

[Gene Buckle]

On Sun, 5 Feb 2012, dabigboy at cox.net wrote:

> Hey guys, I just scored myself not one, but two projectors on 
> ebay.........so it looks like the visual system experiments are about to 
> begin. :)
>
Welcome to the dark side! :)

> I have decided I want to pursue a cylindrical screen, and use 
> Fly-Elise's X-Plane plugin to correct the geometry. I *think* if I 
> utilize a spherical mirror, I can mostly overcome the focusing issues. 
> What I'm wondering about now is how to make the screen..........I guess 
> my first question is, what's good material (or paint) for a DLP 
> projector? I haven't decided if I'm going to drape material into a 
> cylinder, or make a hard cylinder and paint it. I'm less concerned about 
> brightness and more concerned about good colors and dark blacks.
>
I've used Behr Silver Screen paint.  It works nicely.  You can buy it at 
Home Despot.  I'd like to hear how well that Fly-Elise software works.

> Second question: any ideas on how to go about this? :) I was thinking if 
> I could find some relatively ridgid (maybe PVC or some other sort of 
> plastic) material, I could put maybe half a dozen vertical beams where I 
> want the screen, and let the curve of the plastic do the rest. Or, I 
> could make two half-circle metal hangars to mount on the top and bottom 
> of some sort of projection cloth (not as crazy about this idea, as it 
> might move around with air flow).
>
I would try using some 1/8" hardboard as a projection surface.  It curves 
easily.

g.

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