More than most machines, a steam locomotive's design reflects its intended use. There are reasons why high-speed passenger locomotives have tall driving wheels and two-axle leading trucks while ...

Ontario Northland Railway (ONT), Canada, and Bay Line Railroad (BAYL), Panama City, Fla., have adopted CNC (Computer Numerical Control) portable wheel truing machines for maintaining and repairing ...

The less work required to translate an object, the better. Avoiding sliding friction — a major sinkhole of applied force for motion — is accomplished through rolling. A: Ironically, with increased ...