Thanks Jay! I'll probably keep this in the "family" until I've tried it out *in situ. *Crossing fingers...
On Fri, Jul 27, 2018 at 2:38 AM Jay Batson <batson...@gmail.com> wrote: > There is such amazing awesomeness in this. Thanks for posting., > > Do you dare post it on Figjam's ePlaya thread about swamp coolers > <https://eplaya.burningman.org/viewtopic.php?t=33842>, or do you think > that's just asking for unkind comments > > > > On Wednesday, July 25, 2018 at 7:23:58 PM UTC+2, Steve Upstill (Swifty) > wrote: >> >> After years of struggling with the Home Depot swamp cooler, and inspired >> by a friend of a friend, I started over, and made this: >> [image: IMG_20180724_195151114.jpg][image: IMG_20180724_195216011.jpg] >> >> The vessel is a swing-lid trash can >> <https://www.homedepot.com/p/Rubbermaid-12-5-Gal-Black-Swing-Top-Wastebasket-2007870/301227226?keyword=071691183082&semanticToken=200300+++%3E++++st%3A%7B071691183082%7D%3Ast++cn%3A%7B0%3A0%7D++71691183082+%7Bproductkey%7D+qu%3A%7B71691183082%7D>, >> and the filter holders are cheap-ass soffit vents (two wide >> <https://www.homedepot.com/p/Construction-Metals-14-in-x-8-in-Galvanized-Steel-Reversible-Foundation-Vent-TW148/202092772?keyword=736223133613&semanticToken=200300+++%3E++++st%3A%7B736223133613%7D%3Ast++cn%3A%7B0%3A0%7D++736223133613+%7Bproductkey%7D+qu%3A%7B736223133613%7D> >> and one narrow >> <https://www.homedepot.com/p/Construction-Metals-14-in-x-5-in-Galvanized-Soffit-Vent-SV145/202093194?keyword=736223106020&semanticToken=200300+++%3E++++st%3A%7B736223106020%7D%3Ast++cn%3A%7B0%3A0%7D++73622310602+%7Bproductkey%7D+qu%3A%7B73622310602%7D>) >> from >> the ventilation-and-flashing aisle, both from HD. The evaporative area is >> more than 50% larger than my old bucket cooler, the water capacity two or >> three times greater, and since the fan points horizontally (i.e, toward the >> yurt rather than the sky), it requires a fraction of the length of duct to >> get to the building, so I expect higher flow AND less heat gain. I haven't >> been out to the Playa with it, but I'm getting 5°F cooling at 68° >> temperature and 68% humidity. >> >> The pump is a 3.6W 12V aquarium pump (2 for $15 at Amazon >> <http://a.co/7D19LdH>), and that white thing at the bottom is a float >> switch <http://a.co/iUFlZPy> to cut it off when the water gets too low. >> >> It has a cigarette-lighter male plug for power in, so I can either run it >> off a car battery or 12V solar panels. At the top, barely visible on the >> right, are simple 12V voltage regulators for the fan and the pump. I bought >> a pair of these solar panels <http://a.co/2V2y5bT> years ago, and those >> voltage regulators are all the control you need (I think they were $1.69 at >> my local electronics depot, ad I have two, one for the pump and one for the >> fan, just b/c they're so wimpy). >> >> The lid was a bit of a mission to build, because you want a good seal, >> yet the bin has rounded corners. >> You'll have to follow this link to see what I mean. >> <https://photos.app.goo.gl/Qavvxp7t9V32nVqX6> >> Rather than try to duplicate the bowing of the box, I exploited it by >> gently forcing it straight, to provide pressure against the outside. (I >> used the dado blade on my table saw to cut the channels, but you don't >> really need it to be held on both sides.) For the curves, I used Bondo: >> plopped it down inside the lid, greased up the bin with butter, put it in >> place and let it define its own shape. I suppose you could work from the >> inside and pile more Bondo up on the lip, but that felt like overkill to >> me. You could also do it entirely with Bondo, allowing the box to keep its >> natural shape, only if your Bondo skills are better than mine. >> >> So will a hot, dry Playa give me enough temp. drop to sleep in? We shall >> see. It does seem to be moving a lot of air. >> >> Cheers, >> Steve Upstill >> >> -- >> The only cure for hate speech is more speech. The only cure for hate is >> love. >> > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to hexayurt+unsubscr...@googlegroups.com. > To post to this group, send email to hexayurt@googlegroups.com. > Visit this group at https://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/d/optout. > -- The only cure for hate speech is more speech. The only cure for hate is love. -- You received this message because you are subscribed to the Google Groups "hexayurt" group. To unsubscribe from this group and stop receiving emails from it, send an email to hexayurt+unsubscr...@googlegroups.com. To post to this group, send email to hexayurt@googlegroups.com. Visit this group at https://groups.google.com/group/hexayurt. For more options, visit https://groups.google.com/d/optout.
