Before detailing the differences of static vs. dynamic, let’s first explore balance and its importance to sheaves and the overall drive. When an object like a sheave or even the wheel on a car rotates ...

When you consider the crazy monkey motion of reciprocating internal combustion engines it is remarkable they work as well as they do. You have eight pistons and connecting rods doing a “do-si-do” ...

A. Objects of the long axis type mounted on parallel supports. The heavy spot, as denoted here by the black dot, causes the object to be both statically and dynamically unbalanced. B. Heavy spot added ...