To Matthew, and Jon and all other interested parties, I have put two articles regarding balancing on our website:
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Due to the number of interested requests, it seemed like the most expedient way to handle the drawings. On our website, under "Special Articles" located down a bit on the left hand column will be a listing for "Single plane balancing method using amplitude only" and another, titled "Using an Electronic Balancer". Your comments, are welcome. Especially if you see any holes in the thinking or mistakes. Note also an article on anodizing aluminum and the resulting decrease in fatigue life, and another that I found very interesting on oil viscosity.
Stu