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Thread: Passive Heat Using Homemade Solar Disks

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  1. #1
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    Default Re: passive solar heat with homemade solar disks

    Hi AnnaK

    The drip tubing cannot already have holes, or you must plug the holes (with the goof plugs), lest the tubing fill with water (although I doubt the discs would sink, just get awkward to move around). I don't have any pictures online, and I don't think I am allowed to post pictures here yet (ever?). Could I PM them to you?

    Alison
    16'x40' kidney / "nautilus" 25K gal IG vinyl pool; SWCG; Hayward ProSeries high rate sand filter; Pentair SuperFlo 1HP pump; hrs; Taylor K-2006C; utility water; summer: homemade solar disks; winter: mesh; ; PF:4.8

  2. #2
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    Default Re: passive solar heat with homemade solar disks

    You can post pics using Photobucket, Flickr, or Picasa. Or, you can email them to me -- poolforum@gmail.com -- and I'll post them, via the PF Picasa account. (I'll eventually copy them there anyhow.)

    I'm behind, though. So posting them initially through your account would get them here sooner.

  3. #3
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    Default Re: passive solar heat with homemade solar disks

    What Ben said. They would be really helpful to all our members. Please let us know if you decide to post them on one of the sites he mentioned, and mega thanks!
    Oval 12.5K gal AGP; Hayward 19" sand filter; Pentair Dyn 1 HP 2sp pump on timer
    [URL="http://www.ellerbach.com/Pool/"]My Pool Pages[/URL]

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  5. #5
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    Default Re: passive solar heat with homemade solar disks

    Love these!

    In the last picture the edge looks sealed, like you popped the bubbles and then somehow sealed it. Did you, or does it just appear that way? Or did you cut between the bubbles? Is THAT why we learned to stay inside the lines in kindergarten?
    Oval 12.5K gal AGP; Hayward 19" sand filter; Pentair Dyn 1 HP 2sp pump on timer
    [URL="http://www.ellerbach.com/Pool/"]My Pool Pages[/URL]

  6. #6
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    Default Re: passive solar heat with homemade solar disks

    AnnaK,
    I used that particular pic because you could clearly see the plug - it just happened to fall in the seam where pieces of my pool cover were joined (I cut up a 20x40' to make these; haven't used all of it yet). Most of the plugs hit a bubble, and it doesn't matter in the slightest.

    Alison
    16'x40' kidney / "nautilus" 25K gal IG vinyl pool; SWCG; Hayward ProSeries high rate sand filter; Pentair SuperFlo 1HP pump; hrs; Taylor K-2006C; utility water; summer: homemade solar disks; winter: mesh; ; PF:4.8

  7. #7
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    Default Re: passive solar heat with homemade solar disks

    Thanks a bunch, Alison.

    We cut our cover into strips and sections, look at it on our pool pages site in my sig below. I'll be limited with the diameter depending on how wide the sections are. Your instructions are very helpful.

    One year we took the cover off the pool, that was before we had cut it, and laid the whole thing out on the lawn to dry. That lawn has never been the same since!
    Oval 12.5K gal AGP; Hayward 19" sand filter; Pentair Dyn 1 HP 2sp pump on timer
    [URL="http://www.ellerbach.com/Pool/"]My Pool Pages[/URL]

  8. #8
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    Default Re: passive solar heat with homemade solar disks

    Thanks for posting the pics Ben!

    The fabrication instructions (short form) are:
    1. cut a length of tubing that will form the size circle you are interested in making, remembering that Circumference = pi x Diameter. Join the cut ends with an appropriately sized connector ("nipple").
    2. drill holes in the tubing circle approximately every 10-12 inches. The holes should be slightly smaller than the thickness of the "goof plugs". Or the holes can be made with the plastic tool that comes with the "goof plugs", but this tends to get a bit hard on the hands!
    3. cut out a circle of your preferred solar cover - we chose ours because it was the least ugly, to our eyes. I found it helpful to cut the circle slightly larger than I needed so that I could trim it to fit perfectly after it was attached. This also meant that it didn't matter if my initial cutting was a bit sloppy!
    4. with the tubing ring on a hard surface, place the cover wrong side up over the rings and squish the plugs into your predrilled holes. You will probably need a pair of pliers for this.
    5. trim any excess cover, or any overhang where the ring distorted while you were messing around trying to get the plugs to go in, and then chuck your finished disk into the pool.

    Other things: When you take the disks out of the pool don't put them on grass, or at least cover them with a towel, as the sun will fry the grass in a very short time. If the disks are piling up in the pool because of the return jets you can link the disks together to make a big flexible raft - I use the Velcro tape sold for tying up plants because it is both water and UV resistant. The large headed "goof plugs" are easier to use and theoretically hold the cover on more securely, but they are also much more expensive than the small headed ones. I used a mixture and have had no problems with the small headed plugs so far. You can buy them in large quantities online; everything else is readily available in home improvement centers.

    I have detailed instructions (in the form of scanned documents) which go on for pages, if anyone wants them, and if there is a sensible way of posting them.

    Alison
    16'x40' kidney / "nautilus" 25K gal IG vinyl pool; SWCG; Hayward ProSeries high rate sand filter; Pentair SuperFlo 1HP pump; hrs; Taylor K-2006C; utility water; summer: homemade solar disks; winter: mesh; ; PF:4.8

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