In most 3rd world places, where electricity and other fuel sources are hard to come by, solar oven designs have been used. Not only are they effective in cooking food, but also for water purification in sunny countries like Sudan.
But just because first world countries have enough energy supplies, it does not excuse us from using solar cooking at home and helping to conserve that energy. What's great about solar cooking is that it uses the power of the sun to cook food - though it may take 4 times longer than a conventional oven.
There have been a variety of unique solar oven designs thought up, but they can be categorized in three shapes: parabolic, panel, and box cookers.
Parabolic Solar Cooker:
As the name suggests, a parabolic cooker is made from reflective material that is molded into bowl. This helps it concentrate the sunlight in one area and effectively cook your food. However, this design typically costs more and it's rigid structure makes it less practical for traveling.
Panel Design:
Similar to the parabolic design, the panel design focuses sunlight to a single point. However, it is less rounded and made up of a number of small, flat, reflective panels.
The advantage of the panel shape is that it cheap to build, it can be folded away when not used, and therefore it is great for traveling. It may not be as effective as a parabolic design, but you can simply make one by shaping one of those foldaway windscreen blinds into parabolic shape.
Box Cooker:
The third type, a box cooker, operates rather differently to the parabolic and panel cookers. Instead of reflecting light to a central point, it absorbs, traps and intensifies the light to create heat.
Essentially the entire box heats up, allowing larger quantities of food to be made at once. The box cooker is easiest of the three to make, since it can literally be made from a cardboard box, tin foil, and sheet of glass or perspex.
What I like most about solar oven designs is that they can be put together with simple materials found at home in the course of an afternoon. It's a fun project to do with your kids, and the shapes you come up with are really limited to your imagination. And do not just think your solar cooker is only good for boiling water or steaming vegetables. People have successfully roasted meat in them and even baked bread. Another pro is that your solar cooker will be outside when used, so it will not cause your whole kitchen to heat up and put strain on your indoor cooling system - another way it helps you to conserve energy.
And if you think that over 75% of American households use their oven or stove on a daily basis - a tremendous amount of energy could be conserved if more of us used solar oven designs during summer.
So why not solar cooking out for yourself. You really have nothing to lose. If you are not willing to spend money on a professionally made design, why not build one at home with the kids - the internet provides a whole host of free blueprints and instructions, so try it out and have fun saving power. - 16477
But just because first world countries have enough energy supplies, it does not excuse us from using solar cooking at home and helping to conserve that energy. What's great about solar cooking is that it uses the power of the sun to cook food - though it may take 4 times longer than a conventional oven.
There have been a variety of unique solar oven designs thought up, but they can be categorized in three shapes: parabolic, panel, and box cookers.
Parabolic Solar Cooker:
As the name suggests, a parabolic cooker is made from reflective material that is molded into bowl. This helps it concentrate the sunlight in one area and effectively cook your food. However, this design typically costs more and it's rigid structure makes it less practical for traveling.
Panel Design:
Similar to the parabolic design, the panel design focuses sunlight to a single point. However, it is less rounded and made up of a number of small, flat, reflective panels.
The advantage of the panel shape is that it cheap to build, it can be folded away when not used, and therefore it is great for traveling. It may not be as effective as a parabolic design, but you can simply make one by shaping one of those foldaway windscreen blinds into parabolic shape.
Box Cooker:
The third type, a box cooker, operates rather differently to the parabolic and panel cookers. Instead of reflecting light to a central point, it absorbs, traps and intensifies the light to create heat.
Essentially the entire box heats up, allowing larger quantities of food to be made at once. The box cooker is easiest of the three to make, since it can literally be made from a cardboard box, tin foil, and sheet of glass or perspex.
What I like most about solar oven designs is that they can be put together with simple materials found at home in the course of an afternoon. It's a fun project to do with your kids, and the shapes you come up with are really limited to your imagination. And do not just think your solar cooker is only good for boiling water or steaming vegetables. People have successfully roasted meat in them and even baked bread. Another pro is that your solar cooker will be outside when used, so it will not cause your whole kitchen to heat up and put strain on your indoor cooling system - another way it helps you to conserve energy.
And if you think that over 75% of American households use their oven or stove on a daily basis - a tremendous amount of energy could be conserved if more of us used solar oven designs during summer.
So why not solar cooking out for yourself. You really have nothing to lose. If you are not willing to spend money on a professionally made design, why not build one at home with the kids - the internet provides a whole host of free blueprints and instructions, so try it out and have fun saving power. - 16477
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