This Video shows the build of a Thermal siphoning rocket stove for an off grid water system. The advantage of the rocket stove is a clean and efficient burn. This system uses 5 metres of 20mm annealed copper pipe, and though I designed the rocket in a J configuration, it worked better as a batch box. There is a vortex generator at the base of the riser and basically I was able to heat 200 litres of cool water straight out of the tap to 67 degrees Celcius / 152.7 F in 1.5 hrs.
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- How to build a Simple Homemade AC Air Cooler using an Old Juice CartonThis project goes over the build of simple and cheap homemade Air Cooler made out of an old juice carton and other simple items which can be bought from Home Depot. The whole setup is powered by solar energy . The cost to build this AC Cooler is only $8.50 The drink bottle was a dollar at the store. The PVC pipe about $1.50, the DC Fan was $4.99 and the square dowels was 98 cents. The materials you need for this project are : 1/2 gallon container 3/8 inch square wooden dowel 1 1/2 inch PVC pipe coupler threaded on one end 80mm case fan Solar Panel Ice cubes Take the 80mm fan and put it down on the side of the container. Cut the three eighth inch square dowel and cut them the width of the container. Glue the fan on to the dowels on both the sides and the middle ones. Take a pencil and mark around in a circle on the inside and using a small knife , cut out the circle from the carton. Place the PVC coupler against the container and mark a small circle around it and cut along it. Widen the hole using a sandpaper such that the pipe fits in there properly. Take out the fan and grab some pieces of ice cubes and put them into the carton through the hole and put the fan back on. The fan is hooked to a solar panel. The fan has only 100 milliamps 12V power. The opening of the juice carton can be used as drain pipe which be used to drain out the water as needed. Don't waste the water. Just drink it, put a glass under there. Now you can get a nice cold drink of water after a couple hours. https://www.youtube.com/watch?v=ZnI7oXTzxbM