AVS Forum Special Member
Join Date: Aug 2002
Location: Aurora, IL, USA
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Yes, Stewart can build you a screen in any size you'd like- it takes longer for delivery so you'll want to order it soon. Both screens I have are 72" by 40.5" which is 84" diag. When ordering the screen, the question should be posed to you whether the screen will be mounted in front of a window (does it need opaque material backing?)- in your case, say yes.
As far as the particular screen material is concerned: if the wall opposite the screen is lightly colored, there's not much that even a gray screen can do to prevent a loss in ANSI contrast- because whatever light comes from the screen will reflect right back to it, and "wash-out" the image to some degree. A gray screen WILL improve things if the side walls are lighter, because the reflections would be coming from a more acute angle.
Ultimately, you're going to want to consult with a Stewart screen specialist regarding the particular screen/room/projector combination to determine what your best course of action will be.
On the left( I think ) side of the screen- or wherever the motor is mounted- there are adjustements for the stops of the screen: they're inteded to fine-tune the screen's movements after installation. Now a couple inches here or there aren't a huge deal, but these are NOT intended to reduce the drop by half, but rather to make sure that the batten doesn't strike something when in the down postition. When ordering the screen from Stewart, the amount of drop can be specified (standard is 12")- and can be as much or as little as the application requires (I think the minimum is 6"). The tab-tensioning is designed to be used in the full-drop position to prevent waves in the screen (the screen substrate will stretch because of uneven force in the vertical vs horizontal axes. So: caveat emptor- you can adjust drop, but be aware of the possiblity of waves. Your "best" option is to remove the motor/screen from the case and send it to Stewart for modificaion.
I hope this helps both of you- and if I've given outdated or mis-information, I hope that Mark pops-up and corrects me. But to the best of my knowledge, this is accurate info for Stewart screens.