When it is powering a race car--with all the rumbling, vibrations,beating, and banging going on--it can sometimes be easy to forget thatthe engine is a precision piece of equipment. In the hands of ...

You might think that the idea of balancing a camshaft is a solution in search of a problem. After all, unlike a crank, which is commonly balanced, a camshaft is very compact and any imbalance should ...

Shaking engines aren’t desirable, so we try to remove these forces. It’s easy to understand that as the piston comes to the top and stops, it sends an upward force, called a primary force.