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Advanced Steam Traction
5AT Home
The 5AT Group
5AT Website
Technical Terms
Modern Steam
Principles of Modern Steam
Practitioners of Modern Steam
André Chapelon 1892 – 1978
Livio Dante Porta
David Wardale
Phil Girdlestone
Shaun McMahon: 1964 – 2022
Roger Waller
Nigel Day
Ian Gaylor
Ian Screeton
Manuel Ramos
Modernising Options
Modernising Applications
Boosting Loco Performance
Reducing Fuel Consumption
Reducing Maintenance Costs
Improving Reliability
Modern Steam Miscellany
The Red Devil
SAR Class 19D No 2644
Rio Turbio Railway
Portau0026#8217;s Locomotive No 1802
DLM 52-8055
DLM Rack Tanks
SS Montreux
FCAF Garratt No 2
Kirklees Light Railway
Bure Valley Railway
Engineering
Introduction
5AT FDCs
Notes on FDC 1
Notes on FDC 4
Notes on FDC 8
Notes on FDC 9
Notes on FDC 11
Notes on FDC 12
Notes on FDC 13
Notes on FDC 18
Wardaleu0026#8217;s Summary
Detail Design
The 5AT
The 5AT – Introduction
5AT Project Summary
5AT Specifications
5AT Performance Predictions
Calculated Performance
Computer Simulation
Performance Examples
5AT Features
Thermal Efficiency
Power-to-Weight Ratio
Adhesion u0026#038; Sanding
Reliability
Maintenance Costs
Operating Costs
Operating Range
Route Availability
Fuel Consumption
Valves and Steamchest
Feedwater Heating
5AT vs. 5MT
5AT and the Environment
Emissions
Fuels
Optional Strategies
8ATT 2-8-4T
8AT 2-8-0
FAQs
References
Triangular Losses
