From 1945 to 1955, a British aeronautical company called Napier & Son produced not just one but two versions of an intricate hybrid piston engine, which they named the Napier Nomad. The post-World War ...

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...