Letter Re: A Low Cost Source for Powerful Magnets
Jim: Several years ago I was looking for some hi power magnets for a project, and found them, inside microwave ovens. Not wanting to get the wife mad, I placed free want ads for junk microwave ovens and got more than I expected. As a side benefit each oven netted a small bit of aluminum and some copper wire. Getting to the magnets was almost too easy. DISCLAIMER: Don’t hurt yourself. Sharp metal may be encountered, and a bit of electrical knowledge would be helpful. Do not attempt repair to broken ovens without proper training and equipment to check for …