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digitalayon
Joined: 02 Mar 2009
Posts: 921
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| Posted: Thu Dec 05, 2013 10:00 am Post subject: Low ceiling is frustrating |
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Having a 6'11 low ceiling in my basement just plain sucks. I would love to suspend the VV1 in the air. But with the mount and chief lift, the thing is 2 feet thick. I will get cancer sitting directly under the damn thing it hangs so low. Yes I am venting here. Guess I will have to keep it on the floor and build a hush box for it like that.
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Thu Dec 05, 2013 2:10 pm Post subject: |
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Hello
Your ceiling is fine, the floor is too high!!!!!! 
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Thu Dec 05, 2013 5:11 pm Post subject: |
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I remember when Art Sonneborn, a Dentist, put unexposed dental film directly under the G90 CRT's (manufactured with no lead shielding), there was no evidence of X-rays or whatever other radiation film is prone to.
Is the ceiling actually 6 feet directly to the floor joists or is there a false drop ceiling there? If it's the latter, it's a fairly simple matter to slam the chassis up into the cavity and just have the lenses poking down.
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digitalayon
Joined: 02 Mar 2009
Posts: 921
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| Posted: Thu Dec 05, 2013 5:21 pm Post subject: |
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bottom of the joists to the floor is 6'11 and there is not enough room to go between.
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digitalayon
Joined: 02 Mar 2009
Posts: 921
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| Posted: Thu Dec 05, 2013 5:22 pm Post subject: |
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| Tim in Phoenix wrote: | Hello
Your ceiling is fine, the floor is too high!!!!!! |
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ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Thu Dec 05, 2013 6:50 pm Post subject: |
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| digitalayon wrote: | | Having a 6'11 low ceiling in my basement just plain sucks. I would love to suspend the VV1 in the air. But with the mount and chief lift, the thing is 2 feet thick. |
That's why I never liked the Marquee form factor; it works great in commercial settings because of the small footprint, but terribly in residential settings with typical 8-foot ceilings unless you can create a recess or something.
Still, you could ditch the Chief mount and go DIY. The way I designed my DIY mount when I mounted my G70, I was able to get the projector snugged right up to the ceiling. You could probably take off the feet and get another half-inch or so. With most projectors, that would get your "wart" down into the 10-12-inch range, but with the Marquee's 17 inches, you're still only at 5' 6". Ouch. 6'11" is just starting REALLY low. I'd only have 8 inches above my head. I'm not sure I'd even clear a decent-sized digital in your room!
| digitalayon wrote: | | I will get cancer sitting directly under the damn thing it hangs so low. Yes I am venting here. Guess I will have to keep it on the floor and build a hush box for it like that. |
Like dragan said, there is no significant increase of risk of cancer sitting a few feet under your CRT. From my recollection, the only real risk of x-ray exposure is directly off the back of the CRT, and directly off the front since a CRT projector has no shielding or masking, and then only if the lens isn't mounted. So, unless you plan to watch your CRT sitting there looking into it without the lenses mounted for weeks on end, there is significant risk of x-ray exposure.
SC
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garyfritz
Joined: 08 Apr 2006
Posts: 12088
Location: Fort Collins, CO
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| Posted: Thu Dec 05, 2013 7:16 pm Post subject: |
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| digitalayon wrote: | | bottom of the joists to the floor is 6'11 and there is not enough room to go between. |
So whack out a few joists to recess that bad boy up there! We don' need no steenkin' floor joists...
( , for the humor-impaired)
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digitalayon
Joined: 02 Mar 2009
Posts: 921
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| Posted: Sat Dec 07, 2013 11:36 pm Post subject: |
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| garyfritz wrote: | | digitalayon wrote: | | bottom of the joists to the floor is 6'11 and there is not enough room to go between. |
So whack out a few joists to recess that bad boy up there! We don' need no steenkin' floor joists...
(, for the humor-impaired) |
I am sure my home owner insurance agent is reading this.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Sat Dec 07, 2013 11:55 pm Post subject: |
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| garyfritz wrote: | | digitalayon wrote: | | bottom of the joists to the floor is 6'11 and there is not enough room to go between. |
So whack out a few joists to recess that bad boy up there! We don' need no steenkin' floor joists...
(, for the humor-impaired) |
it can be done actually, but it would be expensive ot bring in Carpenters and have them slide 1 or 2 joists out from the center , then beef up the adjacent spans. This might have been warranted in 1993 but can't imagine doing it in 2013
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ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Sun Dec 08, 2013 12:16 am Post subject: |
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Actually, it may or may not be expensive. Depends how much of the framing is exposed, and whether there are any mechanicals that would need to be moved. In some unfinished basements, it could be pretty easy and inexpensive. In most basements though…
With a 6'11" ceiling height, it's probably a little different thought process than it might be for some of us.
Floor mount or digital would be looking pretty good if it were me.
SC
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jeffslife
Joined: 17 Apr 2010
Posts: 4190
Location: ohio usa
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| Posted: Sun Dec 08, 2013 12:31 am Post subject: |
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Steve is right, I would go digital that is just too damn low.
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digitalayon
Joined: 02 Mar 2009
Posts: 921
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| Posted: Sun Dec 08, 2013 1:35 am Post subject: |
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will be going on the floor calling it a day....at least the lift has tilting adjustments so I can take advantage of them.
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digitalayon
Joined: 02 Mar 2009
Posts: 921
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| Posted: Sun Dec 08, 2013 2:09 am Post subject: |
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| draganm wrote: | | garyfritz wrote: | | digitalayon wrote: | | bottom of the joists to the floor is 6'11 and there is not enough room to go between. |
So whack out a few joists to recess that bad boy up there! We don' need no steenkin' floor joists...
(, for the humor-impaired) |
it can be done actually, but it would be expensive ot bring in Carpenters and have them slide 1 or 2 joists out from the center , then beef up the adjacent spans. This might have been warranted in 1993 but can't imagine doing it in 2013 |
exactly....in 30 years I could say....I cut up top level joists for a projector.
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gjaky
Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary
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416ray4538
Joined: 14 Jul 2009
Posts: 517
Location: near Toronto Ont
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| Posted: Sun Dec 08, 2013 2:21 pm Post subject: |
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| Nashou66 wrote: | Its fine like that. As long as the lead shields are good you'll be fine.
And you get the benefit of not using a lot of keystone having it closer to perpendicular to the screen.
Nashou |
The Setup instruction talks about the importance of getting the pj level. The one for a Sony 1270 even talks about using a 3' level on the body. With the pj level, the front of the lenses will be tilted. Discounting the inconvenience of the pj's hanging position, wouldn't the ideal be the centre of the green flat parallel and facing the centre of the screen?
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No point being pessimistic; it probably would't work anyway.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Sun Dec 08, 2013 7:35 pm Post subject: |
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| 416ray4538 wrote: | | , wouldn't the ideal be the centre of the green flat parallel and facing the centre of the screen? |
ideal for the projector maybe but not for the people trying to watch the movie, which is why the projector is there for in the first place. They're designed from the favtory to shoot at the screen at a 15 degree angle. This places the least amount of stress on the convergence and electronics while still allowing people to sit under it.
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