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LSWR T7 Class
The LSWR Class T7 4-2-2-0 was a prototype express steam locomotive design by Dugald Drummond for the London and South Western Railway introduced in 1897. Five similar locomotives, classified E10, were introduced in 1901. Background Number 720 was a prototype locomotive built in 1897 and classified T7. The layout was unusual and influenced by Francis Webb (engineer), Francis Webb's 3-cylinder compound locomotives introduced in 1883 on the London and North Western Railway (LNWR) that employed two pairs of uncoupled driving wheels; the Drummond locomotives were always known as the "double singles". Five similar locomotives, numbers 369-373, were built in 1901 and classified E10. Design features Throughout locomotive history, this type of layout with independent uncoupled trains of driving wheels mounted on a common rigid chassis has been repeatedly tried with various aims in mind (the best-known more recent example is the Duplex locomotive). Aims In the case of Drummond, the mai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dugald Drummond
Dugald Drummond (1 January 1840 – 8 November 1912) was a Scottish steam locomotive engineer. He had a career with the North British Railway, LB&SCR, Caledonian Railway and London and South Western Railway. He was the older brother of the engineer Peter Drummond, who often followed Dugald's ideas in his own work. He was a major locomotive designer and builder and many of his London and South Western Railway engines continued in main line service with the Southern Railway to enter British Railways service in 1947. Career Drummond was born in Ardrossan, Ayrshire on 1 January 1840. His father was permanent way inspector for the Bowling Railway. Drummond was apprenticed to Forest & Barr of Glasgow gaining further experience on the Dumbartonshire and Caledonian Railways. He was in charge of the boiler shop at the Canada Works, Birkenhead of Thomas Brassey before moving to the Edinburgh and Glasgow Railway's Cowlairs railway works in 1864 under Samuel Waite Johnson. He beca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
