Its a bit long winded to post in the forum,
PM me you email or MSN handle?
A typical setup would be 2 pcs, high spec three head graphics, and mid/low spec for instruments...
Google home flight simulator, or similar
There are loads and loads of project out there from small Cessnas to B747's, the same technology and setup applies to screens, and getting yokes/sticks to work, throttles,and pc setups...
BA use a concaved screen in their mobile sim, well they did last time i was in it, and its not too good for the eyes in my opinion, i found it very of-putting.
It could be deemed by you, good enough to use a single projector.
see this setup
http://www.glasssimulator.com/simula...ti_engine.html
i think this is very similar to what you might want, but on a trailer, obviously you restricted to 7-8 foot wide? but its possible to make a system that expands for the screen, or use a non-fixed screen?
However, you'll have issues with sunlight unless is enclosed using a projector...
I so wish i was still in the ATC... I am too old thought =( could be an officer, but wouldnt know how, or could be a civi instructor, but we used to cause them endless problems and windups as they was the civis, so would have to be an officer i think, or NCO...