Site Map
Pages:
- 2019 Conference Presentations (members only)
- 2020 AGM – Crewe
- 2020 AGM Presentations (Members Only)
- 2021 AGM – via Zoom
- 2021 ASTT AGM Presentations
- 2021 ASTT Conference Presentations Members Only Page:
- 5AT FDCs – Members’ Payment Page
- 5AT Home Page
- 5AT Project
- 5AT Website
- Engineering
- FAQs
- Modern Steam
- Improving Reliability
- Modern Steam Miscellany
- Modernising Options
- Practitioners of Modern Steam
- Principles of Modern Steam
- “Second Generation Steam”
- Advanced Adhesion
- Combustion Air Preheating
- Compound Expansion
- Drifting Techniques
- Engine-Tender Buffering
- Enhanced Valve Events
- Exhaust Systems
- Feedwater Heating
- Franklin Wedges
- Gas Producer Combustion System (GPCS)
- Internal Streamlining
- Kordina
- Long Strokes and High Rotation Rates
- Lubrication and Tribology
- Piston & Valve Rod
- Piston Valve Design
- Porta’s Water Treatment
- Reduced Heat Losses
- Steam Press & Temp
- Steam Tightness
- The Alpha Coefficient
- Piston vs. Caprotti Valves 1
- Piston vs. Caprotti Valves 2
- Piston vs. Caprotti Valves 3
- Piston vs. Caprotti Valves 4
- Piston vs. Caprotti Valves 5
- Piston vs. Caprotti Valves 6
- Piston vs. Caprotti Valves 7
- Principles of Modern Steam
- Reference Material
- References
- ASTT Resource Library
- Audio-visuals
- Books and Publications
- “The Fire Burns Much Better ..”
- 5AT Feasibility Study
- Advanced Steam Loco Development
- Broader than Broad
- Bulleid and the Turf Burner
- Camels and Cadillacs
- Chapelon – by Col. Rogers
- Compound Locomotives
- Fowler’s Fury
- How a Steam Loco Works
- Hush-Hush – The Story of LNER 10000
- Locomotive Boilers by Alan Haigh
- Locomotive Boilers for the Twenty-First Century
- Red Devil Book – a Review
- Manufacturers and Operators
- Presentations on Modern Steam
- Reference Papers
- Simulation Software Packages
- Wardale Letters
- Website Links
- Technical Terms
- Technical Terms
- Steam Loco Definitions
- Adhesion
- Balancing & Hammer Blow
- Brakes
- Clearance Volume
- Combustion Air
- Condensation/Wall Effects
- Equivalent Evaporation
- Exhausts
- Feedwater Heating
- Front-End Limit
- Grate Limit and Boiler Efficiency
- Incomplete Expansion
- Motion
- Power and Indicator Diagrams
- Power-to-Weight Ratio
- Resistance
- Simple/Compound
- Snifting, Drifting, Bypass and Herdner Valves
- Specific Steam Consumption
- Steam Chest
- Superheating
- Thermal Efficiency
- Tractive Effort
- Triangular Losses
- Valves, Valve Gear etc
- Thermodynamics
- Steam Loco Definitions
- The 5AT Group
- AGMs and other meetings
- AST / 5AT Website Sections
- AST Group
- 5AT Legacy
- Advantages of Membership
- AST Membership
- AST Organisation
- Alex Powell – Committee Member and Trustee
- Cedric Lodge – Secretary and Trustee
- Chris Corney
- Chris Newman – Treasurer & Mem. Sec.
- David Pawson
- Iain Jack
- Iain McCall
- Ian Gaylor
- Jamie Keyte – Committee Member and Trustee
- John Duncan
- John Hind – Chairman and Trustee
- Mike Horne – Committee Member
- Paul Hibberd – Treasurer
- Richard Coleby – Committee Member and Trustee
- Meetings
- ASTT Articles of Association
- ASTT’s 2021 Annual Conference
- ASTT’s 2022 Conference held in Darlington over weekend of 15/16 October
- ASTT’s 2022 Conference – Presentations (members only)
- Basket
- Books For Sale
- “The Red Devil and Other Tales from the Age of Steam” – out of stock!
- 5AT Feasibility Study
- 5AT Fundamental Design Calcs
- 762 Lyn Design Calculations
- A Defence of the Midland/LMS Class 4 0-6-0
- An Introduction to Large-Lap Valves
- Crimson Lake Books
- L.D. Porta Centennial Anthology Vol 1
- L.D. Porta Centennial Anthology Vol 2
- Selection of Papers by L.D. Porta – Volume 1
- Selection of Papers by L.D. Porta – Volume 2
- Selection of Papers by L.D. Porta – Volume 3
- Selection of Papers by L.D. Porta (and others) – Volume 4
- Carbon Emissions and Offsets
- Change “User Profile” or Password
- Checkout
- Combustion Triangle
- Contact
- Forum
- Forum Topics
- Forum User Roles
- Home
- How to Join
- James Conway
- Loco Performance Monitoring
- Log In
- Log Out
- Lost Password
- Lost Password
- Members
- 2016 Haworth Presentations
- 2017 Autumn Conference
- 2017 Autumn Conference – Bury, Lancs
- 2018 Conference – Bury
- ASTT Newsletters
- ASTT’s 2018 AGM
- ASTT’s 2019 AGM
- ASTT’s 2019 Conference – Crewe – 5/6 October
- ASTT’s 2024 Conference – Derby – 5/6 Oct 2024
- ASTT’s 2022 Conference – Darlington – 15/16 October
- Bevil’s Lunch Club
- Conferences
- Members’ Library
- Membership
- Membership Renewal
- My account
- Physiology of the Locomotive Boiler – Vol 1
- Porta Centenary Compendium Vol 2 – Members’ payment page
- Porta Papers Vol 3 – Members’ payment page
- Posts and Comments
- Projects
- Register
- Reminiscences of a Trainspotter
- Reminiscences of a Trainspotter – Members’ payment page
- Reset Password
- Shop
- Site Map
- Steam Links
- Technical
- Valve Gear Simulation by Dr. Allan Wallace PhD Mech Eng
- Website Back-End
- Website Front-End
- Website Help
- Website User Roles
Author(s):
Posts:
- Category: 5AT (171)
- Shaun McMahon: 1964 – 2022
- Locomotive Boilers for the Twenty-First Century
- Valve Gear Simulation by Dr. Allan Wallace PhD Mech Eng
- Reference Material
- Members’ Library
- Principles of Modern Steam
- Fuels and Emissions
- Manufacturers and Operators
- Presentations on Modern Steam
- Steam vs. Diesel Debates
- Modern Steam Papers
- 5AT Feasibility Study
- The 5AT Group
- “STEAM” Locomotive Simulator
- Allan Wallace’s Software
- Prof. Bill Hall’s Software
- Simulation Software Packages
- Wardale Letters
- Reference Papers
- How a Steam Loco Works
- “The Fire Burns Much Better ..”
- Hush-Hush – The Story of LNER 10000
- Fowler’s Fury
- Locomotive Boilers by Alan Haigh
- Compound Locomotives
- Camels and Cadillacs
- Bulleid and the Turf Burner
- Broader than Broad
- Advanced Steam Loco Development
- The 5AT – Introduction
- Detail Design
- Notes on FDC 18
- Notes on FDC 13
- Notes on FDC 11
- Notes on FDC 12
- Notes on FDC 9
- Notes on FDC 8
- Notes on FDC 4
- Notes on FDC 1
- Manuel Ramos
- Ian Screeton
- Bure Valley Railway
- Kirklees Light Railway
- FCAF Garratt No 2
- SS Montreux
- DLM Rack Tanks
- DLM 52-8055
- Porta’s Locomotive No 1802
- Rio Turbio Railway
- “Second Generation Steam”
- Porta’s Water Treatment
- Reduced Heat Losses
- Steam Tightness
- Piston & Valve Rod
- Piston Valve Design
- Lubrication and Tribology
- Long Strokes and High Rotation Rates
- Engine-Tender Buffering
- Internal Streamlining
- Franklin Wedges
- Enhanced Valve Events
- Drifting Techniques
- Chapelon – by Col. Rogers
- Combustion Air Preheating
- Compound Expansion
- The Alpha Coefficient
- Exhaust Systems
- Gas Producer Combustion System (GPCS)
- Phil Girdlestone
- Livio Dante Porta
- David Wardale
- Practitioners of Modern Steam
- André Chapelon 1892 – 1978
- Technical Terms
- SAR Recordings
- Brakes
- Exhausts
- Incomplete Expansion
- Triangular Losses
- Clearance Volume
- Superheating
- Combustion Air
- Balancing & Hammer Blow
- Snifting, Drifting, Bypass and Herdner Valves
- Power-to-Weight Ratio
- Reuleaux Diagram
- Motion
- Simple/Compound
- Kordina
- Audio-visuals
- Adhesion
- Resistance
- Specific Steam Consumption
- Equivalent Evaporation
- Power and Indicator Diagrams
- Steam Chest
- 5AT vs. 5MT
- Fuels
- Fuel Consumption
- Emissions
- 5AT and the Environment
- FAQs
- Reducing Maintenance Costs
- Reducing Fuel Consumption
- Boosting Loco Performance
- Modernising Options
- Modernising Applications
- Improving Reliability
- 5AT Website
- Advanced Adhesion
- Adhesion & Sanding
- Route Availability
- Power-to-Weight Ratio
- Operating Range
- Operating Costs
- Steam Tables
- Entropy
- Reliability
- Thermal Efficiency
- Thermodynamic Anomalies
- 8ATT 2-8-4T
- 8AT 2-8-0
- Optional Strategies
- 5AT Project Summary
- 5AT Specifications
- 5AT FDCs
- Introduction
- Principles of Modern Steam
- Modern Steam Miscellany
- Valves and Steamchest
- Thermal Efficiency
- Front-End Limit
- Books and Publications
- Red Devil Book – a Review
- Valves, Valve Gear etc
- Tractive Effort
- Wardale’s Summary
- Condensation/Wall Effects
- Website Links
- Steam Press & Temp
- SAR Class 19D No 2644
- The Red Devil
- Porta’s Papers
- Feedwater Heating
- Feedwater Heating
- Piston vs. Caprotti Valves 7
- Piston vs. Caprotti Valves 6
- Piston vs. Caprotti Valves 5
- Piston vs. Caprotti Valves 4
- Piston vs. Caprotti Valves 3
- Piston vs. Caprotti Valves 2
- Piston vs. Caprotti Valves 1
- Enthalpy
- Grate Limit and Boiler Efficiency
- 5AT Features
- Maintenance Costs
- Calculated Performance Predictions for the 5AT
- Performance Examples
- Computer Simulation
- 5AT Performance Predictions
- 5AT Project
- Engineering
- References
- Mollier Diagrams
- Modern Steam
- Thermodynamic Equations
- Thermodynamic Definitions
- Thermodynamics
- Steam Loco Definitions
- Technical Terms
- 5AT Home Page
- Category: AST Members (10)
- Category: AST News (74)
- 2024 Conference – Derby, 5th – 6th October
- ASTT publishes a new book on Locomotive Boiler Water.
- ASTT’s 2024 Conference to be held in Derby over the Weekend of 5th – 6th October
- Adrian Tester’s new book “The Physiology of the Locomotive Boiler – Part 1” released
- Digital edition of Dave Wardale’s book now available from Camden Miniature Steam
- ASTT’s 2024 AGM
- Newsletter No 23 Released
- Revolution’s rolling chassis successfully tested at Stapleford (23 Sept 2023)
- Volume 2 of ASTT’s “Porta Centennial Compendium” now available for sale.
- ASTT’s 2023 Conference staged in Swindon over the weekend of 7/8 Oct 2023
- ASTT 2023 Conference to be held in Swindon – 7th/8th October
- New book published by ASTT titled “Reminiscences of a Trainspotter”
- Help Ukraine (and save a diesel!)
- Revolution Page updated
- March 2023 Newsletter released
- November 2022 Newsletter released
- ASTT’s 2022 Conference – Darlington – 15/16 October
- ASTT releases 1st Volume of its “Centenary Compendium” to mark L.D. Porta’s 100th birthday – 21st March 2022
- Shaun McMahon: 1964 – 2022
- Further bio-coal trials at the Bure Valley Railway.
- 2021 ASTT Annual Conference Presentations – NOW LIVE
- Porta Papers Volume 3 – Now on Sale
- 2021 Post AGM Presentations Now live
- Steam ship returns to Switzerland with new engine
- Red Devil & Other Tales From the Age of Steam OUT OF STOCK & Porta’s Papers Volume 3
- Covid-19 and ASTT Conference 2020
- George Carpenter dies
- ASTT assists HRA on Carbon Emissions and Offsets
- New-Build Steam in China
- ASTT’s 2019 Conference a success
- Porta Papers Volume 2 now on Sale
- ASTT’s Annual Conference – Crewe – 5th-6th Oct 2019
- ASTT’s 2019 AGM
- Porta Papers Volume 1 – now on Sale
- Free RSSB Seminars – York and London – December 2018
- CO2 Powered “Steam” Locos in China
- “Locomotives that Were & Locomotives that Weren’t” by Robin Barnes
- Red Devil Returns to Steam
- ASTT 2018 Autumn Conference – Advanced Notice
- Roger Waller completes oil-firing of Puffing Billy Tank Locomotive
- News from China ….
- Nigel Day completes the rebuilding of ‘River Esk’
- Notes on the design and build of a Lempor exhaust for an S160 2-8-0.
- Bevil’s Lunch Club
- UK’s new General Data Protection Regulations
- Porta’s Institution threatened with close-down by Argentinean government
- ASTT releases its 2018 AGM Agenda
- ASTT 2018 Annual General Meeting
- Happy Christmas … and Membership Renewals
- Clinker
- ASTT’s 2017 Autumn Conference – a great success
- Conference Abstracts now available
- 2017 Conference Update
- Wardale’s “Red Devil” Book now on Sale
- “Network Steam” – report on ASTT’s Birmingham Workshop
- 5AT Website hits the buffers
- ASTT Newsletter now available on website
- “The Red Devil and Other Tales from the Age of Steam” – out of stock!
- ASTT’s 2017 Autumn Conference – Bury – 30 Sep to 1st Oct
- “Securing Steam’s Future on Network Rail” – ASTT Seminar 10th May 2017
- Bury Presentations now available on this website
- Phil Girdlestone’s ashes laid to rest at Boston Lodge
- AGM and General Meeting: Bury – 4th March 2017
- Tests on Lempor Fitted S160 No 5820
- Phil Girdlestone Memorial Service – Porthmadog, 18th March 2017
- ASTT AGM – Bury, 4th March
- Obituary for Alan Fozard
- Website Help pages
- Newsletter No 3 Distributed 23rd Dec 2016
- Link created between AST’s Website and Facebook Page
- 5AT Model on display at NRM
- Haworth Conference
- February 2016 Newsletter
- June 2015 Newsletter
- Category: AST Officers (8)
- Category: AST Personnel (16)
- Iain McCall
- Alex Powell – Committee Member and Trustee
- 2023 AGM
- James Conway
- Ian Gaylor
- Cedric Lodge – Secretary and Trustee
- Chris Corney
- David Pawson
- Iain Jack
- Jamie Keyte – Committee Member and Trustee
- Richard Coleby – Committee Member and Trustee
- John Duncan
- Chris Newman – Treasurer & Mem. Sec.
- Mike Horne – Committee Member
- Paul Hibberd – Treasurer
- John Hind – Chairman and Trustee
- Category: Books (15)
- Selection of Papers by L.D. Porta (and others) – Volume 4
- Physiology of the Locomotive Boiler – Vol 1
- L.D. Porta Centennial Anthology Vol 2
- Reminiscences of a Trainspotter
- L.D. Porta Centennial Anthology Vol 1
- Porta Papers Volume 2 now on Sale
- Porta Papers Volume 1 – now on Sale
- “Locomotives that Were & Locomotives that Weren’t” by Robin Barnes
- 762 Lyn Design Calculations
- Selection of Papers by L.D. Porta – Volume 3
- Selection of Papers by L.D. Porta – Volume 2
- Selection of Papers by L.D. Porta – Volume 1
- A Defence of the Midland/LMS Class 4 0-6-0
- An Introduction to Large-Lap Valves
- 5AT Feasibility Study
- Category: Library (3)
- Category: Meetings (21)
- 2024 Conference – Derby, 5th – 6th October
- ASTT’s 2024 Conference – Derby – 5/6 Oct 2024
- ASTT’s 2023 Conference – Swindon – 7/8 Oct 2023
- 2023 AGM
- ASTT’s 2022 Conference – Darlington – 15/16 October
- ASTT’s 2022 Conference – Presentations (members only)
- ASTT’s 2022 Conference – Darlington – 15/16 October
- ASTT’s 2019 Conference a success
- ASTT’s 2019 Conference – Crewe – 5/6 October
- ASTT’s Annual Conference – Crewe – 5th-6th Oct 2019
- 2019 AGM Presentations
- ASTT’s 2019 AGM
- 2018 Conference – Bury
- ASTT Conference – 29th/30th September – Bookings now open
- ASTT’s 2018 AGM
- ASTT releases its 2018 AGM Agenda
- Conferences
- 2017 Autumn Conference
- 2017 Autumn Conference – presentation downloads page
- 2017 Post-AGM Presentations, Bury
- 2016 Haworth Presentations
- Category: Membership (7)
- Category: Miscellaneous (1)
- Category: Projects (5)
- Category: Revolution (2)
- Category: Sales (9)
- L.D. Porta Centennial Anthology Vol 1
- 762 Lyn Design Calculations
- Selection of Papers by L.D. Porta – Volume 3
- Selection of Papers by L.D. Porta – Volume 2
- Selection of Papers by L.D. Porta – Volume 1
- Wardale’s “Red Devil” Book now on Sale
- “The Red Devil and Other Tales from the Age of Steam” – out of stock!
- Obituary for Alan Fozard
- 5AT Feasibility Study
- Category: Website Help (10)
- Category: Website Updates (11)
- Roger Waller
- Nigel Day completes the rebuilding of ‘River Esk’
- Notes on the design and build of a Lempor exhaust for an S160 2-8-0.
- Bevil’s Lunch Club
- 5AT Website hits the buffers
- ASTT Newsletter now available on website
- Website Help pages
- Design for Reliability
- Website Updates reported in Newsletter No 3
- Forum Now Available
- New Website Launched
Archives:
- October 2024 (1)
- September 2024 (1)
- August 2024 (1)
- July 2024 (1)
- May 2024 (1)
- March 2024 (1)
- December 2023 (1)
- October 2023 (3)
- June 2023 (1)
- May 2023 (2)
- March 2023 (2)
- November 2022 (1)
- October 2022 (1)
- March 2022 (1)
- February 2022 (1)
- January 2022 (1)
- October 2021 (1)
- April 2021 (1)
- March 2021 (1)
- February 2021 (1)
- January 2021 (1)
- May 2020 (1)
- January 2020 (2)
- October 2019 (2)
- September 2019 (1)
- August 2019 (1)
- December 2018 (1)
- October 2018 (3)
- August 2018 (1)
- July 2018 (1)
- May 2018 (4)
- April 2018 (3)
- March 2018 (1)
- January 2018 (2)
- December 2017 (2)
- October 2017 (1)
- August 2017 (1)
- July 2017 (2)
- June 2017 (2)
- April 2017 (3)
- March 2017 (4)
- February 2017 (1)
- January 2017 (3)
- December 2016 (4)
- November 2016 (1)
- October 2016 (1)
- May 2016 (1)
- April 2016 (1)
- June 2015 (1)
- August 2014 (1)