When it comes to engines, finely balancing the rotating assembly is a step that is often overlooked. This is a shame because it can add smoothness, performance, and longevity to any engine. In this ...

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. See All 17 Photos B ...

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” ...