Megaprojects on MSN

This steam train hit 126 mph - and no one has beaten it since

The LNER Class A4 was built with one goal: to become the fastest steam locomotive ever created. In this video, we explore how Sir Nigel Gresley designed this engineering masterpiece, the innovations ...
Hosted on MSN

Why Britain built the fastest steam locomotive ever

Mallard was Britain’s answer to Germany’s rail speed claims in the tense years before World War II. Designed by Sir Nigel Gresley, the streamlined A4 locomotive used advanced aerodynamics, a powerful ...