My latest installment of Dug's Automata Tips, Techniques and Tricks is now available at on the Cabaret Mechanical Theatre web site.
There seems to be fairly widespread agreement that there are a handful of particularly useful techniques for attaching cams and other parts to round wooden shafts. There doesn't seem to be much advice on why you might choose one method over another. I've tried to address this topic in my latest column. I've given an overview of the methods and some of the factors that make one technique more suitable than another in certain situations. I've tried to provide a few helpful tips along the way.
Here is where you can read the full article Attaching Cams, Pulleys, Cranks, Gears, and Handles to Wooden Shafts by Dug North.