Our Solar Dish Cooker is a concentrating type parabolic dish, with aperture diameter of 1.4 meter and focal length 0.28 meter. The reflecting material used for fabrication of this cooker is anodized aluminum sheet which has a reflectivity of over 75%.
The tracking of the cooker is manual and thus has to be adjusted in 15 to 20 minutes during cooking time. It delivers power of about 0.6 KW which can boil 2 to 3 liters of water in half an hour. The temperature achieved at the bottom of the vessel could be around 350°C to 400°C which is sufficient for roasting, frying and boiling. The cooker having a thermal efficiency of around 40% can meet the needs of 10 to 15 people and can be used from one hour after sunrise to one hour before sunset on clear days