Category Archives: 5AT

Technical Terms

By 5AT

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.  

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5AT Home Page

By 5AT

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 […]

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