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Originally Posted by mojoman
The panels are connected with foam tape between them, the mounts will slip a bit with over sized bolt holes, everything made from aluminum. Hope I did enough.
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I have been trying to figure out all the expansion stuff as I was working on adding the extra panel to ours. The instructions say 2mm gap, but the instructions say that for almost all the panels, regardless of size, or orientation, so it is suspect to me. All the rules are kind of squishy. When we had two panels, I had them butted together tight, and they didn't break or bend. We wound up with about 1/16" gap. They were mounted on the bottom flange of the frame.
I do think the folks like AMSolar using the rather flimsy bracket may be getting benefit from them as they will flex enough. Also, Grape Solar would prefer mounting to the bottom flange of the panels, and that also would allow the panel frame to flex a bit without stressing the glass, even if the mounts are solid.
The worst case would probably be if the mounts were very solid, on the sides of the panel frames, and tall enough to overlap the glass area. This would lock in the glass, with no room to grow, with possible ugly outcomes.
Re: Mojovan progress
. Just kidding of course.
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