Mother's Tin Can Homemade Solar Collector

Using tin cans flattened by the MOTHER EARTH NEWS fin press, you can build a homemade solar collector and make a dent in your hot water needs.

063 solar on a shoestring - photos
LEFT: The completed homemade solar collector mounted horizontally on a wall. RIGHT: The process of soldering fin-covered lines to the header.
PHOTOS: MOTHER EARTH NEWS STAFF