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Thread: anyone tried this
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07-16-2007, 08:11 AM #11
Theoretically yes. However The type of mirror you need is "Front reflection" not rear reflection. Otherwise you can get a ghosting effect on the screen.
Best regards.
Trev________________________
Trevor Hale
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07-16-2007, 02:32 PM #12
Not tried, but will be adding to my really good ideas list for when I get my first projector
FSX | Piper Warrior | GoFlight
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09-26-2007, 05:47 AM #13
Hi all,
a good idea for sure but one little problem I see. It for sure is something
that should be investigated. The problem is that in the setup of norbert
(beginning of the thread) the picture comes from one source, the mirrors.
When you display that in back projection onto a screen which is rounded
around the cockpit there will be distortion of the picture at the ends of the screen around 0degree and 360 degree.
Greetz Peter
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09-26-2007, 09:40 AM #14
I guess I have a thick head here, because Im not understanding what's going on with this concept.
Is there one, or two projectors?
Also, someone mentioned no dusk or dawn. Why would that be?
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09-26-2007, 02:51 PM #15
Hi Tomlin,
nope, only one beamer which projects an image build up out of two FS windows which occupy only half of the view (upper half and lower half). The upper half of the screen is an FS window with the forward left view, the lower half of the screen is an FS window with the forward right view. This image is projected onto 2 mirrors which are one just above the other in that way that the lower part is beamed onto the lower mirror and the upper part of the screen shines on the upper mirror. Then by adjusting the mirrors a little you can move the image from the upper mirror (forward left) to reflect next to the image of the lower mirror (forward right). Thus at the end you get a wide image of the foward left and the forward right next to eachother but only half the height of what the normal beamer would produce.
I also do not understand what this has to do with dawn/dusk.
Anyway, in a previous post there was a nice drawing of it but the remark from norbert was that in this case less distortion. But the same setup (with side mirrors too) can also be used here. Let the beamer shine onto the two mirrors which split horizontally the image and let them reflect each horizontal part onto each side mirror, then via back projection to the screen.
I already did a short trial today to get the 2 FS windows on my screen,
upper half the forward left, lower half the forward right, zoom out to get them aligned but there would be more tweaking necessary to get this to work.
And then the biggest problem would probably the distortion in the screen of the beamed image..
For sure someone should try this out....
Greetz Peter
PS : I went to visit last weekend the gathering at Le Bourget. There was someone there (but did not get the chance to talk to him) who used a beamer which projected an image of over 3 meter wide. Resolution was not that great (I think probably 800x600) but the beamer was maybe only 2 meter away form the screen.
The projector itself had a mirror system with two sperical mirrors
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09-26-2007, 03:10 PM #16
Hi Peter,
I thought I might chime in here. I actually curve my screen around aprox 1.5 feet on each side, I do find a little distortion, but not as much as you would expect. I was told by someone once that because the lens of the beamer is rounded you can in essence round your image a tad. I personally find that the miner distortion out at the edges gives you more of a sensation of movement as the image rolls off the screen instead of disappearing off the screen.
Just thought I would share a little.
Trev________________________
Trevor Hale
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09-26-2007, 04:01 PM #17
I am understanding this now a bit better (I think). Basically you have the FS server simply show on it's screen two window'd modes of your forward L/R views. I am impressed with the idea if it works!
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11-07-2007, 07:03 PM #18
- Join Date
- Oct 2007
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Is there anyone known who uses this brilliant setup and if so, is more data available, like pictures, dimensions etc.?
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01-16-2008, 03:35 PM #19
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Norbert,
Looks nice! My guess is it won't work unless you equal the distances light has to travel. If you don't you'll get problems with focussing your image. I think this quite a big problem. If anyone has a solution to this, it might work though. Maybe it would need an extra lense on the beamer to compensate for the curvature of the screen.
Greetings,
Erwin.
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02-26-2008, 10:50 AM #20
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anyone tried this ?
Gentlemen ,
How I could adjust the views , in order to have two views , one from 0º-90º and other 0º-270º ?
I am not thinking forward right , forward left , because this way we do not have the center of the runway .
thanks and regards
Alberto Kunzel
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