Best price with shipping I found was a company called "sim supply". I'm on the road or i'd google them for you. Bu, they were much cheaper than amazon and shipped pretty quick.
On Aug 12, 1:33 pm, Steve Upstill <[email protected]> wrote: > Is anybody else out there getting thwarted by the unavailability of Duracool > pads? Home Depot is totally out as far as I can tell (not just stores, but > nationally). I just paid Amazon $20 for purchase and shipping of mine. > > Alternatives? > > Cheers, > Steve > -- > Dare to suck. > > On Jul 29, 2011, at 6:08 PM, David Kelso wrote: > > > > > Thanks for all the feedback guys! > > > I've decided to convert my two bucket system in to the one bucket > > system (thanks for the link Andreas). I bought that low wattage pump > > too (thanks Richard). And I went with the endless breeze fan (thanks > > Ken). > > > Last thing to find is a way to get the air into the yurt. I'm hoping > > I'll find a 12" flexible duct somewhere and be able to skip any size > > conversions and just slip it directly over the fan and 5 gal bucket. > > > david > > > On Thu, Jul 28, 2011 at 12:09 PM, Steve Upstill <[email protected]> wrote: > >> Chasomatic, > > >> I'm looking at the Frozen CPU site and they have a buttload of 12V fans. > >> Any clues for getting closer to what you're talking about? > > >> Thanks, > >> Steve > >> -- > >> There is a problem when the turnover in the United States House of > >> Representatives is lower than it was in the Soviet Politburo. > >> -- NATHANIEL PERSILY, election law expert at the University of > >> Pennsylvania Law School > > >> On Jul 21, 2011, at 11:39 AM, Chasomatic wrote: > > >>> I use the Home Depot bucket style of swamp cooler. > > >>> My pumps come from Harbor Freight and they're Solar powered fountain > >>> pumps for outdoor gardens ($19.95). They have a pressure head of at > >>> least 3 feet and their own solar panel. Net power consumption ZERO! > >>> My fan comes from Frozen CPU, I can't remember the exact numbers right > >>> now but it's specially designed to give a column of air not the normal > >>> dispersal pattern. It draws 0.7 amps to run and puts out around 120 > >>> cfm ($31 with shipping). It shoots the air out of the pipe. > > >>> I think my total power use will be about 1.0 (.3 pump+.7 fan) amps per > >>> hour. Last year I didn't run the SC very late into the evening but it > >>> may be hotter this year. Maybe 8.5 watts per hour from my 10 watt > >>> solar panel/battery. It's close, but I may be a balanced power > >>> system. > > >>> My first effort for this year's swamp cooler was a little weak, but I > >>> still have it. Has anyone built a chest from Hexayurt panels to keep > >>> beer cool? I think my small SC would be enough to work but I don't > >>> know how to calculate the potential temperature drop (would it be > >>> worth it?). > > >>> any ideas > > >>> On Jul 10, 8:20 am, Richard Ginn <[email protected]> wrote: > >>>> another way to have water flow down over the material is with a large > >>>> reservoir (plastic garbage can) above it that you refill by hand > >>>> (bucket) as > >>>> needed. 50 gallons would trickle down all night maybe? > > >>>> On Sun, Jul 10, 2011 at 3:31 AM, ken winston caine < > > >>>> [email protected]> wrote: > >>>>> ** > >>>>> Pretty amazing amount of pumping for 6 watts, Richard. > > >>>>> Still, if I'm running it 24 hours a day (along with the fan) during the > >>>>> current 100-plus degree days and high 70s to high 80s nights until > >>>>> about 4 > >>>>> a.m. when finally it starts to cool down a little, I'm using 282 watts a > >>>>> day. That's 1/5 of the total electricity I have available each > >>>>> non-overcast > >>>>> day from my solar system. That's a pretty big bite and I can probably > >>>>> afford > >>>>> it only a day or two a week and keep the system healthy. > > >>>>> It's NOTHING if you're on the grid. And a wonderful savings compared to > >>>>> typical pumps. > > >>>>> Best, > >>>>> ken winston caine > > >>>>> P.S. Am going to look into it, anyway. Because it would be really nice > >>>>> to > >>>>> be able to use it if only from 2 p.m. to 8 p.m. or so when the inside > >>>>> of my > >>>>> RV heats up into the middle 90s most days this time of year. My > >>>>> self-wicking > >>>>> coolers bring the air right in front of me and on my face down to the > >>>>> mid > >>>>> 80s while I'm working at my desk, which is much more tolerable than mid > >>>>> 90s. > >>>>> But if I could force more water into the pads, and add pads, I could get > >>>>> better cooling. > > >>>>> Have been meaning to hook up the Kill-a-Watt meter up to an aquarium > >>>>> pump > >>>>> and see what kind of wattage it draws. If it's less than 6 watts, I'll > >>>>> report that here. (Doubt that it will be.) > > >>>>> ----- Original Message ----- > >>>>> *From:* Richard Ginn <[email protected]> > >>>>> *To:* [email protected] > >>>>> *Sent:* Saturday, July 09, 2011 10:21 PM > >>>>> *Subject:* Re: [hexayurt] Windows and COOLING on the PLAYA > > >>>>> For 6 watts you can power a 12-volt CPU water cooling pump that is > >>>>> rated at > >>>>> 132 gallons per hour, and then you don't have to wick the water at all: > > >>>>>http://www.frozencpu.com/products/6073/ex-pmp-53/Danger_Den_DD-CPX1_1... > > >>>>> On Tue, Jul 5, 2011 at 5:11 PM, ken winston caine < > >>>>> [email protected]> wrote: > > >>>>>> Jack, I've experimented with developing a 7-watt, self-wicking swamp > >>>>>> cooler > >>>>>> that works pretty well. > > >>>>>> Haven't experimented with EVERY fabric known to man, but did find, > >>>>>> surprisingly, that absorbant paper towels tended to wick better than > >>>>>> about > >>>>>> any cloth fabric I could test.But even., then, they tend to wick up > >>>>>> only > >>>>>> about 6 inches above the water surface. > > >>>>>> What really helps is to hang them with open pleats facing the air > >>>>>> source > >>>>>> and > >>>>>> allowing a tiny bit of air space between each hanging wick. That allows > >>>>>> the > >>>>>> air to pass between them a tiny bit. If using a high-efficiency, > >>>>>> low-wattage > >>>>>> 12v fan made for use in RVs and campers, having the open end of the > >>>>>> pleat > >>>>>> facing the fan's exhaust also helps the pleats balloon a bit and speeds > >>>>>> evaporation. > > >>>>>> My design provides 8 to 10 degree cooling for about 5 feet in front of > >>>>>> the > >>>>>> swamp cooler exhaust. So it's a personal cooler, not a room cooler. > >>>>>> Although > >>>>>> it does noticeably help cool the room a tiny bit, so long as you have > >>>>>> fresh > >>>>>> air vents in the room bringing in occasional super dry gusts. That's > >>>>>> when > >>>>>> you notice the moisture evaporating in areas of the room other than > >>>>>> directly > >>>>>> in front of the cooler. > > >>>>>> The more folds of wicking material you can fit in your box (if > >>>>>> buidling a > >>>>>> swamp cooler) the more cooling effect you'll get. > > >>>>>> Have yet to experiment with putting the fan on the top of the box, > >>>>>> ponting > >>>>>> down at the wicks and water tray on the bottom. Am planning to test > >>>>>> that > >>>>>> next. > > >>>>>> Have tried quite a few variations. Have found that the fan BEHIND the > >>>>>> wicks, > >>>>>> blowing air through them, provides better cooling than locating the > >>>>>> fan in > >>>>>> front of the wicks so that it *draws* the air through the wicks. > > >>>>>> Also have found that having a larger intake opening than exhaust > >>>>>> opening > >>>>>> seems to help a bit, too. About a 2::1 ratio has seemed best in my > >>>>>> experiments. > > >>>>>> You can do these with cardboard boxes and duct tape and rubber maid > >>>>>> shoe-box size plastic containers. > > >>>>>> The type of fan I use is this: > > >>>>>>http://www.campingworld.com/shopping/item/fan-tastic-endless-breeze-1... > > >>>>>> I also found at the end of summer about six years ago at a Wal Mart in > >>>>>> Albuquerque a season closeout price on Wal-Mart's "Ozark Trails" > >>>>>> version > >>>>>> of > >>>>>> this fan and bought seven of them for $4 each and am using those in > >>>>>> two of > >>>>>> my swamp cooler. They actually use less wattage than the Endless > >>>>>> Breeze, > >>>>>> but > >>>>>> push slightly less air through, too. > > >>>>>> May have been four years ago I wrote here about Buckminster Fuller's > >>>>>> proven > >>>>>> "cooling effect," but have not yet heard of anyone experimenting with > >>>>>> it > >>>>>> on > >>>>>> the playa with hexayurts. > > >>>>>> Fuller proved that putting a rain-capped stovepipe in the center of the > >>>>>> roof > >>>>>> of his circular dymation house or at the apex of the roof of a geodesic > >>>>>> dome, and then having open vents about 1 foot above floor level around > >>>>>> the > >>>>>> walls of the building created an amazing, counter-intuitive cooling > >>>>>> effect. > >>>>>> The ratio of low-wall vent airflow capacity to roof vent was about 4 > >>>>>> to 1, > >>>>>> if I recall correctly. > > >>>>>> What happens -- and Fuller demonstrated this multiple times, including > >>>>>> in > >>>>>> a > >>>>>> dome at the equator built for the U.S. military -- is that as the > >>>>>> ground > >>>>>> around the building and the walls of the building heat up as the sun > >>>>>> beats > >>>>>> down, this creates a flow of warm air rising around the outside of the > >>>>>> building. That rising air creates suction at the floor level vents, > >>>>>> pulling > >>>>>> air out of the building. That causes a rush of air to be pulled down > >>>>>> into > >>>>>> the building through the roof vent. > > >>>>>> Fuller said this phenomenon extends for hundreds of feet into the air > >>>>>> above > >>>>>> the building. So you have hot air rising in a circle around the > >>>>>> building > >>>>>> and > >>>>>> COOL air from higher in the atmosphere hundreds of feet above the > >>>>>> building > >>>>>> being sucked down the center of the invisible column. > > >>>>>> The cooling effect was commonly reported to be in the range of 20 > >>>>>> degrees. > >>>>>> That is, the air coming in through the root pipe and dropping on the > >>>>>> room > >>>>>> had an effect of cooling the room by about 20 degrees from its > >>>>>> temperature > >>>>>> with the vents all closed. > > >>>>>> Pretty amazing. Completely passive (other than opening and closing > >>>>>> vents). > >>>>>> And, other than the initial cost to build (the pvc or stove pipe and > >>>>>> rain > >>>>>> cap and dampers), free. > > >>>>>> I say that this is counter intuitive because normally we expect > >>>>>> interior > >>>>>> heat to rise and exit through a roof vent. And normally it does. And > >>>>>> that > >>>>>> certainly helps exhaust heat from the room or building. But it > > ... > > read more » -- You received this message because you are subscribed to the Google Groups "hexayurt" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/hexayurt?hl=en.
