Wayne Parham Messages: 18789 Registered: January 2001
Illuminati (33rd Degree)
Here is an interesting document written by John Eargle that compares various magnet structures and what performance can be expected from them. Each page is a high-resolution scanned image file, so if they're inconvenient to read in your internet browser, you might right-click and save them to your local computer and print or view them with a paint program or image viewer.