Walschaerts valve gear
Videos
The Walschaerts valve gear, known as Heusinger valve gear in parts of Europe, is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgian railwa
A set of Walschaerts valve gear on 60163 Tornado. Note that the radius bar is set to reverse.
Swindon, Marlborough and Andover Railway Single Fairlie 0-4-4T of 1878. This was the first British locomotive to be fitted with Walschaerts valve gear
The Walschaerts valve gear on a Pennsylvania Railroad E6s
Fairlie locomotive
Videos
A Fairlie locomotive is a type of articulated steam locomotive that has the driving wheels on bogies. It was invented by Robert Francis Fairlie. The locomotive may be double-ended or single ended. Mos
David Lloyd George of the Ffestiniog Railway. Built in 1992.
Double Fairlie Merddyn Emrys at Porthmadog
Fairlie locomotive with two separate boilers built for Burma Railways by the Vulcan Foundry
David Lloyd George built in 1992 for the Ffestiniog Railway.