You will now on embark on a journey to build a great solar thermal cooker under $25. Yes, under $25. By following this model, you will be able to create a super efficient cooker and make it for cheap. Besides all that, the time you will spend making this will be amazing. Also you will gain great building skills and money management skills. Finally, building this with a group of friends will make this moment even more special and tremendous. Just make sure you all work together and listen to each other's ideas and be nice to one another. Word of caution this will reach up to 1000 degrees fahrenheit. Overall, just have a good time and have fun.
Step 1: Supplies
The goal of this project is to built a cheap, yet effiecent way to heat up anything you want to cook. We were trying to accomplish to have the hottest cooker in the class and to see how hot we can get it, without spending too much. The maximum temperature will be close to 1000 degress fahrenheit, if focused properly. Anybody, who wants to build and have a good time, will really enjoy this project. In order to make this project you first have to get all the essential items to build it. Items you need to buld this project are:
1. One drill
3. A pair of scissors
2. A blade
1. 6 feet by 1 feet of reflective maylar
2.big piece of cardboard (any size you want, prefernece to be big). We used 7ft by 4ft piece of cardboard.
3. Two rolls of heavy duty tin foil
4. One can of adhesive spray
5. A pack of string
6. four googles
7. A box of gloves
8. A pair of ziptights
9. A roll of tape
10. One roll of reflective tape
The matierals cost about under $25. Most of the items are household products that can be found at the home. The items you do not have will be under $25 easily, especially if you are a good shopper. To make this project it will take about 2-3 hours and than 1-2 hours of improvement and to enchance it. This porject is fairly safe as long as you protect your eyes and be careful when you cut. You could find cheap materials by dumpster diving and also borrowing tools from friends you may have. With these in hand you are on the path of success.