[simpits-tech] Back Projection Material

[Sean Galbraith]

I was thinking about trying the old shower curtain idea :)    Sadly, 
having some samples of really cool stuff at work I keep going back to 
them... but the cost <sheesh>
And, I have seen a back pro material which doesn't give a hot 
spot.  Very cool stuff it is too!

SeanG

At 11:30 a.m. 18/12/2007, you wrote:
>I used a white shower curtain after trying Da-Lite rear screens and 
>a couple of other rear screen solutions. The problem is the 
>projector is fairly close and will produce a hot spot on all the 
>expensive materials no matter what the price. The white plastic 
>shower curtain is able to difuse the light evenly but you will lose 
>some brightness on the viewing side. With a 2000 or more lumen 
>projector focused on the smaller area it still pretty bright. Good luck.
>---------- Original Message ----------------------------------
>From: Sean Galbraith <sean.g at paradise.net.nz>
>Reply-To: Simulator Cockpit tech list <simpits-tech at simpits.org>
>Date:  Mon, 17 Dec 2007 23:08:40 +1300
>
> >I am up to about version 5 of my "how am I going to do my
> >visuals"....  And this time I am looking at rear projection, so that
> >I can get the screen nice and close to the nose of the A-4, without
> >loosing any of the image on things like canopy rails.
> >
> >I plan on mounting the projector under the pilots feet, aiming
> >forward to a mirror, then back onto the rear projection screen.  I
> >figure I can keep the angles such that I shouldn't get any "hot spot"
> >from directly seeing the centre of the lens.. I hope.
> >
> >Anyone have any clever tips on the sort of material I should be looking at?
> >
> >I have some really really nice stuff at work, proper space age rear
> >pro screen material.. but I comes at a real space age price too...
> >and I think it's a little small for my project.  I am looking for an
> >approximately 6' x 4' screen (or 1.6m x 1.2m for those of a metric 
> persuasion).
> >
> >Thoughts, ideas, suggestions?
> >
> >SeanG
> >
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