Simple Solar Oven

The solar oven shown in the picture from the Solar Cook Off is one of the simplest I have seen.  It is an inexpensive cardboard oven that he purchased from Solar Cookers International (http://solarcookers.org/) several years ago.  My friend uses it almost every day.  He often cooks his lunch on the hood of his truck while he is at work.

If you look close at the picture, you will notice that he found an old large Tupperware style container with a lid.  He sets that in the oven with painted quart jars of food inside.  The jars are painted black except for a strip on the side so you can check on the food.  He puts a piece of masking tape on the jars before he paints them and then just peels it off to leave the view strip.

Graniteware

The stove works very well and reaches a good working temperature in excess of 200 degrees.  He also has an oval shaped graniteware roaster that will fit inside his plastic box.  He often uses that for roasting meat.

Graniteware is the old black or blue pans with the little white spots your grandmother used.

Howard

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2 Responses to Simple Solar Oven

  1. Bellen says:

    I have a commercial solar oven that I use frequently. I have a small graniteware roaster that I use for chix, roasts, lasagna and casseroles. I also have a small graniteware stock pot that I use for soup, stews, etc. The lightweight of the pans and the dark color are the properties that make them work well.

    If I have something that will not work in either of the pans I simply cover the item with a dark colored dish towel. I use this mainly with drying herbs, roll up in a dark dish towel, turn once after 30 min – done in about an hour. When I dry chix bones (to make my own bone meal or rather fine pieces) I lay them in a single layer on a dark pizza pan and cover with a dark towel – done in about 3 hours.

    Remember to use hot mitts or pads to remove items from the solar oven – the pans get really hot!

    • Estela says:

      I just came aorscs your website via Greater Denver Urban Homesteading Group which was just suggested to us. We have used a solar cooker (in Denver) made by a friend of ours from CSprings. He builds his cookers out of recycled parts (does not believe in currency). While quite bulky, we have baked turkeys and roasts with no problem, although as you note the sun must be out for it to work. Doesn’t matter how cold it is if the sun is out. It is the only way to cook beans and granola. Baking (cookies, cakes, etc) works fine too, the baking is a more gentle kind of baking so it’s hard to burn things even if the temp is kicked up. Ours gets to 450 F. with full sun. I could send a picture if you like. A friend of mine has the SunOven and enjoys using it, but it definitely doesn’t get as hot (smaller panels). She enlarged its heat potential by filling in the corner negative spaces with mylar (or aluminum foil)coated inserts.

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