This panel cooker was designed by Roger Bernard and Barbara Kerr. Solar Cookers International has been spreading it all over the world. It is made with cardboard, it's portable, folding, easy to build and has a very low cost. The Cookit has been distributed throught cooperation projects, it can also be bought or built home-made.
A base of 55 x 120 cm and 33 cm height
Folding: 33 X 33 X 5 cm
It may vary, approximately 0,5 m2
Cardboard and aluminium paper.
It reaches 100 ºC.
A black recipient is needed to cook. It has to be inside of a plastic bag, or any recipient with an exterior glass layer and a space of air that insulates the pan.
Solar Cookers International sales this panel in two different materials: cardboard and a spongy material resistant to water. Both of them cost US$25 plus postage expenses. A heat resistant bag is included. The pot is not included.
There is a small manual called "the cooKit" that explains in very simply words and using accurate graphics how to use of this solar panel. It includes a small recipe book and information about solar pasteurization.
There is another small manual published by Solar Cookers International called "Solar Cookers: How to Make, Use and Understand", where the construction plans and other two kinds of solar cookers (one panel and one box model) can be found.
Solar Cookers International has cooperation projects with cookits, which information can be found in the website www.solarcooking.org
The plans are found in internet in the website: http://solarcooking.org/plans/cookit.htm