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Old 10-01-12, 04:49 PM   #71
greif
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When I built my panels I used 1" aluminum pex. The biggest thing to remember is not to pull it like you would a coil of wire. You have to unroll this stuff, I did was to anchor the end of the tube so it would not move then actually roll the roll like you are pushing a tire so that it unrolls. It is a major pain. Since you have regular pex it will want to coil back up, my aluminum pex did not since it has the alum core .

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Old 10-02-12, 04:01 PM   #72
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Default Wind Loads...

I can't remember if you calculated wind loads or not, but I came across this page that tells you how to do it.

What is the Max wind speed there?

Best,

-AC
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Old 10-02-12, 04:10 PM   #73
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I ran wind loads on the original structure I had designed. I haven't done it on the new one.
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Old 10-02-12, 07:55 PM   #74
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The trench is just about completed. There is only about 2 feet to go now.

Over the weekend I started working on the rack again. I got my cousin over with a couple ladders and we started putting up the framing that the solar panels will be mounted to.





This is what will be done on each post. Then there will be a long 2x4 (sorry, camera took a dump during the day apparently, I'll get more later) screwed to the top and bottom, and some additional bracing added. The tops of the posts will be cut off.
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Last edited by Daox; 10-02-12 at 08:11 PM..
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Old 10-03-12, 06:39 PM   #75
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you may want to add cross bracing to the posts to stiffen everything up like I did with mine. I have withstood 76 miles per hr winds so far and mine is out in the open
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Old 10-06-12, 06:09 PM   #76
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Quote:
Originally Posted by greif View Post
you may want to add cross bracing to the posts to stiffen everything up like I did with mine. I have withstood 76 miles per hr winds so far and mine is out in the open
Wow! Quite a system. How's it working out for you?

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Old 10-06-12, 06:46 PM   #77
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Works good 3 rd year now
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Old 10-07-12, 05:01 PM   #78
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I finally nabbed some time to work on the solar panel rack again. I got the rest of the vertical boards up.





The next step is to put one of these across the top and the other across the bottom. We'll see how strong that all feels, but I'll probably be adding cross bracing in there too.

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Old 10-08-12, 06:38 PM   #79
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I ended up returning the 300' of pex and just purchased 300' of oxygen barrier pex (from pexuniverse, awesome prices) so I can use a cast iron pump. I also ordered my Grundfos UP15-100F pump from them as well which I've been discussing with everyone else here in another thread.
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Old 10-08-12, 06:57 PM   #80
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Greif

Could you give us some performance data on your extra large collector. Are you heating the floor or blowing the heat around?? Do you have storage capacities?? how well are you heating?? Can you through out your furnace??

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