Has anyone designed a masking system with 'Flaps' that rotate 180 degrees? - AVS Forum
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post #1 of 8 Old 09-02-2008, 06:22 AM - Thread Starter
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Searched and seems no one has done this...
Has anyone designed a masking system with 'Flaps' that rotate 180 degrees?

I think this would simplify the solutionn a lot compared to other ideas I have seen. It will be a fixed masking though if you consider that the flap is either on or off (with no 'in between') althugh this may work with only incremental rotations of the flaps as well...

I imagine a flap on top and below the screen. For masking, the flaps would rotate 180 degrees and mask the screen...

here is the idea illustrated:



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post #2 of 8 Old 09-02-2008, 06:54 AM
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Nifty idea. I've not seen it. Might look slicker if you make the exposed side when not in use match the color of the wall around the screen instead of making both sides black.
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post #3 of 8 Old 09-02-2008, 07:49 AM - Thread Starter
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Excellent point about the coloring. That's definitely a nice advantage over some of the other solutions I've seen. In my case however the back wall is also black

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post #4 of 8 Old 09-02-2008, 07:50 AM - Thread Starter
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Also, if the top flap doesn't have enough space above the screen, one can always rotate 90 degrees against the ceiling instead!

The Moderno Theatre! Slideshow (here, and here!)
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post #5 of 8 Old 09-02-2008, 08:20 AM
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I did a masking system like that quite a few years ago (I no longer live in that house). I extended the flaps a couple of inches beyond the right and left edges of the screen and used magnets to hold the flaps in place.

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post #6 of 8 Old 09-02-2008, 01:02 PM
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Nice idea, here are some hinge ideas from Lee Valley & Rockler....

Rockler...
http://www.rockler.com/search_result...ultsPerPage=25

Lee Valley:
http://www.leevalley.com/hardware/pa...90&cat=3,41241

Be sure an post photos & text as youtest & build, so we can copy you, LOL

Seriously, good luck with develpoing your ideas!

John
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post #7 of 8 Old 09-02-2008, 01:40 PM
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Do all 2.35:1 movies have the black bars in the same place? I seem to remember that with SD DVD's I would have to adjust the masking when watching different 2.35:1 movies. For example, if one movie had top and bottom black bars that were equal in size, say x, another movie might have a top black bar of x+1 while the bottom was x-1. I haven't paid attention in a long time as I don't feel the need to mask for movies anymore so it may be different now.

Absence of evidence is not evidence of absence

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post #8 of 8 Old 09-03-2008, 10:34 AM
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Quote:
Originally Posted by mrlittlejeans View Post

Do all 2.35:1 movies have the black bars in the same place?

Yes, but not all 'scope movies are 2.35:1. You'll find a good explanation of aspect ratio here.
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