to the Solar CollectorBrainstorming and Development
Water Project 1
Water & Space Heating
Glad to see how you ZP is progressing. A few thoughts...
As others can attest, using stud track for the frame can be a challenge, due to the limited space and more complicated build issues. I do like it, but I have been looking for other options. Since your collector will be permanently mounted, consider eliminating the slotted sections of stud track between the two ZP halves. Just make a "splice" from another piece of track to hold the two butted halves. And if the stand has a ledger board for the entire collector to rest, it will make connecting the two halves very easy. The only reason I made my ZP with connecting end slot tracks is that my collector needs to be sturdy enough to be moved seasonally for storage. But if you do end up using the slot end tracks, make the track slots larger than the screen gap, say 1¾". I made my slot ends the exact same size as the screen gap and now wish I had made it larger, as I do think it makes for a bottleneck of sorts.
While I think a slightly larger space between the polyiso and the bottom screen would be better, I'd rather see any extra space keeping the upper screen away from the twin wall. Another thought would be to eliminate the wooden lumber frame under the glazing. The aluminum screen frames with reinforcements should be sturdy enough if they were attached to the screen gap spacers. The wooden screen frame only adds bulk and takes up space as well as blocking more of the screen itself from the sun.
Keep taking lots of pics and drawings. They are very helpful!
Greg in MN
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