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Our solar cooker made from an insulated box (insulated with Celotex insulation board) 4ft long by 2ft deep and 2ft high. Glazed with a double glazed panel scrounged a skip from a window firm in the industrial estate. At the moment used for drying bread (for the chickens), apple and pear rings, tomatoes, herbs etc and heating water.
Some information on its performance:temperatures logged on a sunny day:
Temperature in cooker about 75 degrees C
Water temperature in black kettle 55 degrees C,
Water temperature in silver kettle 45 degrees C,
