How a Steam Locomotive Works

This book is a simple, clear and visual introduction to the workings of a steam locomotive, written specifically for those with no technical knowledge. Written to provide a simple explanation of how a steam locomotive works and designed to appeal to the widest possible audience, using clear explanations and diagrams, generous in number yet straightforward in context. The process of learning the required knowledge to work with steam locomotives, or simply to develop a further understanding, can take considerable time because the best current texts on the subject were originally written to aid staff working through apprenticeships during the steam era. To address the needs of today's readers, the complex engineering of the steam locomotive is unraveled by use of a large number of easily understandable diagrams, explaining the function of the components in a step-by-step manner. There is no technical knowledge required on the part of the reader, nor is there any requirement to understand engineering drawings, because the diagrams and explanations are carefully approached. Nevertheless, the book should also appeal to the technically minded, as there are few who understand the steam locomotive in its entirety, a subject which encompasses many engineering subjects including structures, dynamics, thermo-dynamics and fluid flows. Starting with a basic introduction to the principle of the steam locomotive boiler, the book goes on to provide explanations of both coal and oil firing. Further detailed chapters cover all the essential components, including gauge glasses, injectors, control valves, mainframes, cylinders, valve gears, lubrication, air brakes, vacuum brakes, auxiliaries and cab layouts.

Unavailable for some time, this book proved to be an instant success when first published, explaining as it did, in a simple and comprehensible way the complex engineering behind a steam locomotive. The subject is explained through a series of easily understandable diagrams which show the function of the components in step-by-step sequences. The clear diagrams and explanations require no prior technical or engineering knowledge. Photographs, both historic and contemporary, illustrate the text. Starting with a basic introduction to the principles of the steam locomotive boiler, the text provides detailed explanations of both coal and oil firing. Further detailed chapters examine the essential components, including gauge glasses, injectors, ejectors, control valves, mainframes, cylinders, valve gear, lubrication, air and vacuum brakes and cab layouts. Additional chapters cover wheel arrangements, balancing, engine layout and fault finding. This expanded edition is the ideal introduction to the subject both for older steam enthusiasts, as there are few who understand every aspect of the steam locomotive in its entirety, a subject which encompasses many engineering specialisms including structures, dynamics, thermodynamics and fluid flows, and heritage railway volunteers and fans who love this most dramatic and inspiring form of traction but may not be up to speed with how it actually operates.