Achieved by the world record holding locomotive, Mallard, in 1938. But, how can steam make a huge train move? Woman 3: The engine of a steam locomotive requires two things. Coal to burn.

Pre-war, the Mallard, one of the same class, broke the world record for a steam train when it clocked 126mph in 1938. This locomotive has been preserved for heritage steam services, after it was ...

The 1937 locomotive is due in town on a return route ... including the Flying Scotsman and Mallard. It previously “astounded” Watford Junction visitors in March this year, as it passed through ...