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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Thu Mar 17, 2011 4:17 am Post subject: |
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To get your throw distance you need to set the projector up on the floor, run a signal to it, maximize the rasters and then move the projector forward and back 'till the image fills your screen.
That's your correct throw distance
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a9a1c1
Joined: 20 Aug 2008
Posts: 18
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| Posted: Sun Mar 20, 2011 11:47 pm Post subject: |
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Well, I goofed a bit. (luckily not an expensive one) I cut some pieces without finding out that the span was bigger then I was guesstimating. I figured 1 foot on center instead of 16 on center. So now I don't have enough strut to make enough hangers. I made 3 3 1/2 foot stringers and made 3 foot bars to go across them. I have a 1 4 foot piece left from the 20 I bought. Can I get away with two hangers with 4 lags a piece or should I stick to my original plan and buy another 10 foot to get the other pieces I need?
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Mar 20, 2011 11:55 pm Post subject: |
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can you draw what you're describing? It'll help us visualize what you're trying to do
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a9a1c1
Joined: 20 Aug 2008
Posts: 18
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| Posted: Mon Mar 21, 2011 12:17 am Post subject: |
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Ok I have enough strut to do the 2 joist hangers not the 3 joist hangers. Am I ok with the 2 joist hanger?
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Mon Mar 21, 2011 2:06 am Post subject: |
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You should be OK just move the middle one to the third joist. Follow?
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