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Solar powered cooking has been around because 1767 while French-Swiss scientist Horace de Saussure built miniature greenhouses that cooked fruit by channeling heat out of the sunlight. Through improvements of technology came simpler versions of solar cookers. A century after, French mathematician Augustin Mouchot improved on the pattern by using a mixture of reflecting mirrors and one insulated box. His aim was to be able to boil water using the sun. He had successfully accomplished this target although it was impractical also large. These days, solar cooking can be performed using Mouchot's technique but in more contemporary tools.

Difficulty: Moderately Simple

Instructions

Things You'll Need

Two cardboard boxes (one large and one smaller) One sheet of cardboard Aluminum foil Crumpled documents Black spray paint Glue Heat-resistant transparent bag Hangar wire Black pot Food (every kind)

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1 Prepare the two cardboard boxes.

Close the larger box and place the small box on top about it. Trace around the tiny box and remove the tiny box. Cut along the traced line on the large box.

Take the small box and slit down the corners to the wanted depth of the cooker keeping inside mind that the best of the black pot should sit 1" below the lip of the cooker. Fold lower the sides of the small box to the depth of the slits.

2 Glue aluminum foil to the inside of either boxes.

Undertaking this doesn't need to be perfect as long as every inner surface remains covered. The inside of the large box will not be seen following construction is full.

3 Build the solar cooker base.

Place crumpled document in the bottom of the big box as this will be used as assist for the smaller box and give it the desired height in relation to the large box. Glue closed the remainder of the best of the big box. This will leave exclusive opening just great enough for the tiny box.

Insert the small box inside the great box. Glue the wide open top flaps of the little box to the best about the huge external box. Trim off any one excessive flap.

4 Generate a cardboard drip pan.

Once waterless, collection this on the bottom of the small box. This will serve whereas a tray that will help the black pot.

5 Make plus attach a removable lid.

Remove the lid from the solar cooker plus find outside some rectangle the size of the solar cooker opening. Cut away only 3 sides about this rectangle leaving the fourth part to be folded upward. Foil this new flap on the inside.

Use any 12-inch piece of hangar cable fashioned to a prop that will be inserted into the corrugations of the cardboard to maintain the flap available.

6 Glue oven bag on lid.

Flip the lid upside lower. Require an stove bag and stretch it over the opening of the lid flap. Glue the oven bag to the lid ensuring to take free time to glue the open finish of the bag closed. It should look like a taught plastic window when finished.

7 Cook.

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Suggestions & Warnings

This any plan for a fundamental box-model solar cooker. There are several other fashions regarding solar cookers that are more complex still complete offer greater solar heat concentration. Using a double layer regarding plastic throughout the removable lid opening will prevent condensation on the bag and seal off the outside temperature and the rising within temperature. Sheet metal can be employed as a drip pan being extended as it is painted black. Pre-made solar cooking kits can be found from most camping stores. Never look directly in the sun when trying to reveal the very best angle for light. Use oven mitts when removing the black pot after cooking. It will be hot.

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References

Solar Cookers Global: Easy Lid Cooker Solar Cookers International: Build a Solar Cooker website: Generate Your Own Solar Box Cooker

Solar Cooker By web site: Solar Cooking Background

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