Got a small wheel and have been playing with it to learn. Smooths out pounded metal very nicely. My question is this. When I run flat sheet metal north-south through the wheel, I was expecting it to curve in the east-west direction. However, it curved north soouth. Obviously I'm confused about the direction the wheel stretches the metal. Am I doing something wrong or is this correct? ( I can't see any other way to do it ) . Could anyone explain this to me?
A second question also. What is it called and how do you do it - fold over the edge of the sheet metal to form a rolled over edge that exposes a rounded smooth surface?