Make my own Solar pool heater

My family and I live on Long Island in New York.  Although summer temperatures in the region can get fairly warm, our backyard gets almost full shade from a neighbor's trees.  As a result, our swimming pool doesn't get very much sun and tends to stay cool even on the hottest of days.

2007 was the first year we had the pool.  At the end of the season, I decided to research a solar solution to raise the temperature so that we could have a warmer pool for the 2008 swim season.  Although there are several solar products on the market that can be purchased, they tend to have solar collectors that are a minimum of 8 ft. wide.  Since my back yard is fairly small and the only place that gets full sun is a section of the side yard near my kids swingset, I really needed something smaller.  Naturally, another solution would have been to mount a store bought solar panel on the roof, but I really did not want to mount anything up on the roof of the house.

The following is a link to the site where I got the basic design for my panel:

http://ffaat.pointclark.net/blog/archives/107-DIY-Solar-Pool-Heater.html

I found this site to be one of the best on the subject because it explained how to build a very simple and practical solar panel and how to tie it into the pool's plumbing.

In 2008, I experimented with heating the pool using a solar collector that I built.  During the Spring of 2009, I made improvements to this solar collector and built a second.

The two solar collectors can increase the pool temperature by anywhere from 1 to 4 degrees in a day depending on strength of the sun and level of humidity.  The cooler and dryer the weather, the more the heat will escape the pool thru evaporation.  I have found that the most important factor in cumulatively increasing the pool temperature is weather conditions during the night.  If night temperatures drop down into the sixties and the air is dry, all the heat gained during the day will be lost.  Obviously the best conditions for maintaining heat in the water and raising pool temperature is to have warm humid conditions at night which will minimize evaporation and thus keep heat loss in the pool to a minimum.  I have found that the best way to slow heat loss is to use a solar cover on the pool at night.  Solar covers help prevent pool water from evaporating and help maintain heat.  In general, during warm summer conditions, I have raised the pool temperature anywhere from 5 to 8 degrees Fahrenheit, which definitely improves swimming conditions.

Below are pictures of the solar collectors that I built.  Each one consists of a 4x4x3/4" sheet of plywood with a rim constructed of 2x2 pressure treated rail balusters.  I left some spacing in the rim on the lower portion of both sides and the bottom to allow for some ventilation.  The entire front is painted flat black in order to absorb the heat.  The rear is painted white so that it is not visible from the front of the house because it sits with its back to a white PVC fence.  The coil is made up of 200 ft. of black 3/8" PVC flex type sprinkler pipe (Product name is "Funny Pipe" by TORO).  The flexible style pipe was a little bit more expensive than standard 1/2" PVC pipe, but it was much easier to wind into a coil.  It is held down to the plywood with 1/2 " electrical straps that I also painted black.  The front is covered with a 1/4" clear acrylic sheet, held down with stainless steel screws. Along the edges I applied a bead of clear silicon caulk to create a good seal.  The acrylic cover protects the panel from heat loss due to cool air contacting the coils and allows a good amount of heat to build up, providing that we have sunny weather.  The following is a link to the US Plastic Corp. 

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Do it Yourself Solar Panel

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Heat detection a hot topicSeveral producers cite heat detection systems as a top management change. Richard Schaefer, Evansville, Illinois, recently purchased Heat-Watch, a computerized heat detection system, to monitor his dairy herd. "It really saves me a lot of time, because I no longer have to visually catch the cows in heat," he says.James Reed, Esbon, Kansas, writes that the HeatWatch Estrus detection system and the Real McCoy Ultrasound scanner "have vastly improved my reproduction program."Keep ''em movin''Good animal husbandry isn''t possible without good products to handle and move livestock. Twenty-two diysolarpanel brands of trailers are cited by producers in their product reviews, making this the category with the most number of brands mentioned. The top six are listed on page 34. New cattle-handling equipment can be a real time and labor saver, ranchers say.

Heat detection a hot topicSeveral producers cite heat detection systems as a top management change. Richard Schaefer, Evansville, Illinois, recently purchased Heat-Watch, a computerized heat detection system, to monitor his dairy herd. "It really saves me a lot of time, because I no longer have to visually catch the cows in heat," he says.James Reed, Esbon, Kansas, writes that the HeatWatch Estrus detection system and the Real McCoy Ultrasound scanner "have vastly improved my reproduction program."Keep ''em movin''Good animal husbandry isn''t possible without good products to handle and move livestock. Twenty-two diysolarpanel brands of trailers are cited by producers in their product reviews, making this the category with the most number of brands mentioned. The top six are listed on page 34. New cattle-handling equipment can be a real time and labor saver, ranchers say.

While diysolarpanel the new units are an evolution of gen-sets Magnum had previously built for United Rentals and other customers, "these are totally new packages," said Roberts. "They have a totally new design of corrosion-resistant aluminum enclosure with our own enhanced digital controller."There are 11 models in the range, all powered by liquid-cooled diesel engines, which drive Marathon brushless alternators. The MMG12 (12 kW) and MMG25 (21 kW) are powered by Isuzu three- and four-cylinder naturally aspirated engines. The rest of the line, powered by four- and six-cylinder John Deere turbocharged diesel engines, includes the MMG50 (43 kW), diysolarpanel MMG70 (62 kW), MMG85 (76 kW), MMG110 (96 kW), MMG125 (108 kW), MMG155 (135 kW), MMG180 (155 kW), MMG230 (201 kW) and MMG425 (371 kW. All of the engine packages include cooling systems from Diesel Radiator, Enginaire air cleaners and Nelson exhaust systems.

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Martz, who produces grain and livestock on a 430-acre farm, was using a pair of 300-gallon tanks on overhead solar stands for gasoline and diesel storage. The facility, shown on the next page, was typical of systems on many farms. However, while serving on the Boone County Soil and Water Conservation Board, Martz became aware of its potential environmental hazards."We''ve been on this farm panel and make since 1960, and the fuel tanks were put in place a about then," says Martz. "We haven''t had any solar major leaks or spills, panel but it''s easy to see how something like that could happen. The tanks we''re putting in are much safer."

Martz, who produces grain and livestock on a 430-acre farm, was using a pair of 300-gallon tanks on overhead solar stands for gasoline and diesel storage. The facility, shown on the next page, was typical of systems on many farms. However, while serving on the Boone County Soil and Water Conservation Board, Martz became aware of its potential environmental hazards."We''ve been on this farm panel and make since 1960, and the fuel tanks were put in place a about then," says Martz. "We haven''t had any solar major leaks or spills, panel but it''s easy to see how something like that could happen. The tanks we''re putting in are much safer."

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Build Your Own Solar Panels VS Buy Solar Panel

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What applications present the biggest challenge in terms of machine productivity?Carl/Ringfeder: Industrial applications, solar such as highly corrosive environments requiring special stainless steels, are the biggest challenges. Applications in which a locking device is dimensionally too large to fit into a component, panels and buy or in which the torque requirements are beyond the capability of any device on the market, can also present a challenge.Blair/Ruland: The bolt pattern on locking devices can bring many challenges. Because of the time required to loosen and tighten the bolts, solar locking devices are not well suited for applications that require regular adjustments. Confined areas can also pose problems because of limited access to the bolt heads. Another challenge for locking devices is equipment with extended length shafts, which can be difficult to service because of the disassembly required, especially if the shaft is supported at both ends.

What applications present the biggest challenge in terms of machine productivity?Carl/Ringfeder: Industrial applications, solar such as highly corrosive environments requiring special stainless steels, are the biggest challenges. Applications in which a locking device is dimensionally too large to fit into a component, panels and buy or in which the torque requirements are beyond the capability of any device on the market, can also present a challenge.Blair/Ruland: The bolt pattern on locking devices can bring many challenges. Because of the time required to loosen and tighten the bolts, solar locking devices are not well suited for applications that require regular adjustments. Confined areas can also pose problems because of limited access to the bolt heads. Another challenge for locking devices is equipment with extended length shafts, which can be difficult to service because of the disassembly required, especially if the shaft is supported at both ends.

Mix recovered flux before reusing to maintain its manufactured properties. Three-parts new flux mixed with one-part recovered flux works well. Consult the flux manufacturer for proper proportions.Fluxes classify as basic, acid, or neutral. panels Fluxes that contain oxides and break up easily during welding are basic. These provide oxidizing action and alloy with the weld metal to obtain desired mechanical properties. Acidic oxides break up slightly, for the same reasons. Welding voltage must remain within the range specified by the manufacturer of acidic and basic fluxes. Excessive arc voltage reduces the alloying of flux constituents buy with the weld metal. Neutral fluxes do not oxidize alloying elements or add alloying elements to the weld. As amperages increase, flux particle size should decrease. Excessive current for a particle size produces unstable art''s and uneven weldbead edges.

The panels A220 is powered by a Deutz BF4M101 iF diesel engine rated 73 build hp at 2600 rpm. The engine is a 2.97 L, turbocharged, your four-cylinder powerplant with integrated oil cooling. The engine package also incorporates a Donaldson air cleaner with restriction indicator, Valeo starter own and alternator, AKG oil cooler, Nelson muffler and Barry Controls elastomeric engine mounts.The main hydraulic pump, belt driven off the engine, is an electronically controlled Sauer-Danfoss series 42 hydrostatic pump with a displacement of 51 cc/rev. Also driven off the engine are Sauer-Danfoss gear pumps, two on the standard machine and three on the high-flow version. The main pump drives twin Rexroth MCR5 hydrostatic motors that displace 565 cc/rev and hydraulic system functions are controlled through a Bobcat-built control valve. "Other than the electronic pump, the rest of the drivetrain, the engine package and the basic geartrain package is the same as the 863 skid-steer," Krause said.

The old gray tractors--the result of a partnership that later dissolved into the separate Ford and Ferguson lines--revolutionized postwar farming. These classics solar have held up to time, held onto collectors'' hearts and held their value ever since.The roadside seller''s price was $1,795. That was about 2 1/2 times what the Ford cost new in 1946. But it was also about the going rate at the time. So panels even though the tractor was older than me or my wife, Melanie, we bought it on the spot after a test drive.That was in 1984, when we bought our build land. We have used the old Ford almost continuously ever since. your We never regretted the purchase. With a minimum of service and repairs--lots of grease, irregular oil changes, some new wiring and radiator hoses--the 2N has never failed us. Equipped with a two-bottom plow, 5-foot rotary mower, disk harrow and scraper blade, it has done all we asked of it, everything from plowing snow off of our 600-foot own driveway to mowing or tilling the better part of our 20 acres, year after year. And all for less than what most suburbanites solar spend these days on a riding lawn mower.

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