Build a Solar Dehydrator
...moving without the use of electric fans such as you’d find in your typical store bought electric dehydrator. Our solar dehydrator is constructed out of plywood and consists of a heat collector containing a black metal screen housed in a box with a clear plastic top. This screen heats up on a sunny day and feeds hot air into a wooden box above it. Vents at the bottom and the top of the contraption create an upward airflow through natural convection...