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Yes when I build the smaller Copenhagen or (Purple Fig as the instructable is called) I use a .03 sheet of poly propylene. The larger panels used in the Beast need a little support like a dowel in the center to keep rigid enough to cook well. However the paper version stays rigid on its own.
Thank you! I think it is a great choice for an emergency kit.
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Pocket Solar Cooker Full Size
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Hi! To get the good temperatures always use a dark pan with a glass cover. A cake pan and a random glass cover from another pan will do. As long as they fit together. The germs will be killed when the temperature reaches 150F. Enjoy the smores!
Thank you for trying the instructable.
Purple was only for the contest. Do you have a picture?
You can not cook or purify water with 108 degrees. The street on a hot day can read 120 degrees. Add some reflectors and check the angle of the sun touching the cooking pot. To check the angles you can use a square piece of paper and line one edge up with the angle the sun comes in and the 90 degree angle it bounces off the reflector to find the right angle for your reflectors.
180C = 356F
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If you make one please share it. I will do more testing for how large a pot and how much food could be cooked in it at one time. I have an 18 cup aluminum coffeepot and 2.5 gallon 19.5L aluminum 5 stacking pan set. I will paint them black and then test how much capacity and what heat they reach.
Thank you Alberta Auquaponics. I am going to try using the Rand vacuum solar tube in the Grande. I am glad to hear the regular Copenhagen Solar Cooker makes a good reflector for solar tubes.
How long does it take to reach 150F, the temperature water is pasteurized at?
Copenhagen Grande Solar CookerView Instructable »
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