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Time to cut the Unistrut! It comes in 10' lengths, so I borrowed this metal saw from a friend.
Time to cut the Unistrut! It comes in 10' lengths, so I borrowed this metal saw from a friend.
Date: 02/25/03
Views: 341
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The Unistrut, cut into two 4' segments and two 3' segments.
The Unistrut, cut into two 4' segments and two 3' segments.
Date: 02/27/03
Views: 462
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Sheetrock cut away to expose the ceiling joist, so the Unistrut can be mounted directly to the joist.
Sheetrock cut away to expose the ceiling joist, so the Unistrut can be mounted directly to the joist.
Date: 02/27/03
Views: 493
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Both joists ready for Unistrut.
Both joists ready for Unistrut.
Date: 03/02/03
Views: 444
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I'm bolting the Unistrut with 3/8" lag screws. On the end of each lag screw are two washers for extra strength.
I'm bolting the Unistrut with 3/8" lag screws. On the end of each lag screw are two washers for extra strength.
Date: 03/02/03
Views: 443
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It made life much easier to make sure the washers were inside the Unistrut before driving the screw into the joist; if the screw
It made life much easier to make sure the washers were inside the Unistrut before driving the screw into the joist; if the screws aren't perfectly centered there might not be enough room to slide the washers over the lip of the channel.
Date: 03/02/03
Views: 444
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Drilling pilot holes is critical! I drilled a 1/4" pilot hole for my 3/8" lag screws. The holes should be deep enoug
Drilling pilot holes is critical! I drilled a 1/4" pilot hole for my 3/8" lag screws. The holes should be deep enough to hold the entire lengths of the screws.
Date: 03/02/03
Views: 476
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A lag screw with washers, awaiting final tightening.
A lag screw with washers, awaiting final tightening.
Date: 03/02/03
Views: 519
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The two 4' lengths of Unistrut are mounted securely to the ceiling. I didn't do the world's best job spacing the bolts on the l
The two 4' lengths of Unistrut are mounted securely to the ceiling. I didn't do the world's best job spacing the bolts on the left side -- though it's still plenty to hold the projector -- so I measured more carefully on the right.
Date: 03/02/03
Views: 905
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Each of 4 pieces of threaded 3/8" rod is cut to just under 4 inches. A channel nut is screwed onto the end of each one.
Each of 4 pieces of threaded 3/8" rod is cut to just under 4 inches. A channel nut is screwed onto the end of each one.
Date: 03/04/03
Views: 534
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The four pieces of rod in place, to make sure I can slide them in and out. I exposed an extra inch or so of joist on one end so
The four pieces of rod in place, to make sure I can slide them in and out. I exposed an extra inch or so of joist on one end so I can easily slide the channel nuts into position rather than having to twist them inside the rail.
Date: 03/04/03
Views: 466
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Closeup of rod with channel nut. The channel nut has two grooves that grip the lip of the rail so the nut can't easily twist ou
Closeup of rod with channel nut. The channel nut has two grooves that grip the lip of the rail so the nut can't easily twist out.
Date: 03/04/03
Views: 593
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The stuff attached to the rod is a channel nut, a large washer and a nut (to stop the channel nut from sliding once the projecto
The stuff attached to the rod is a channel nut, a large washer and a nut (to stop the channel nut from sliding once the projector is hung), then another nut and another large washer, the bottom rail of Unistrut (not shown here), two small washers, and ano
Date: 03/04/03
Views: 540
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The rods in place with the top washer/nut.
The rods in place with the top washer/nut.
Date: 03/04/03
Views: 490
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The whole assembly, including bottom rail.
The whole assembly, including bottom rail.
Date: 03/04/03
Views: 571
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