Draft Text Only – Readers’ suggestions and inputs are welcome Introduction Oliver Bullied, disciple of Gresley and famously progressive CME of the Southern Railway, is often quoted as saying “Thermodynamics never sold a single locomotive” (or words to that effect) when commenting on Chapelon’s contemporary locomotive developments in France. Whether true or apocryphal, the remark […]
Technical Terms and Definitions relating to Steam Locomotives The following pages are provided to guide people who are not familiar with steam locomotive terminology. The list is by no means complete and may be added to in the future. Contributions from readers will be welcome. Thermal Efficiency Power and Indicator Diagrams Power-to-Weight Ratio Equivalent Evaporation […]
The pages under this topic are provided to offer guidance to those who are unfamiliar with steam locomotive terminology. Two separate sections are offered: Technical Terms and Definitions relating to Steam Locomotives; Technical terms relating to Thermodynamics. Additional explanations of technical terms are provided in the separate section on Modern Steam.
When the 5AT Project was suspended in 2012, the 5AT project team rebranded itself as The Advanced Steam Traction Trust (ASTT). The original 5AT website was lost in May 2017 when its hosting service moved its files onto a new server. Most of its pages were recovered from Google’s and Yahoo’s cashes from which this […]