Knowledge Base
These documents are written by members of the HBAA and are what we consider to be general knowledge in a particular aspect of the operation or maintenance of a heritage boiler or tractor. We are adding to this library as appropriate topics arise and as we have time. If there is some topic you would like to see covered here, let us know.
This library is only available to current paid-up members of the HBAA. You must be logged in to view the documents.
ACID DEW POINT CORROSION of the FIRESIDE & EXTERNAL STEEL WORK on COAL FIRED STEAM TRACTION ENGINE BOILERS
CARRYOVER, FOAMING & PRIMING – JUST WHAT ARE THEY?
AN INTRODUCTION TO STEAM TRACTION ENGINE GEARS & GEAR TRAINS
THE PICKERING FLYBALL THROTTLING GOVERNOR and ITS OPERATION
THE SCIENCE OF STEAM INJECTOR OPERATION
STEAM TRACTION ENGINE FIREBOX COMBUSTION ARCH
HISTORICAL VERTICAL TUBULAR BOILERS
WATER CIRCULATION in STEAM TRACTOR LOCOMOTIVE TYPE BOILERS
STEAM CYLINDER OIL
BOILER PIPING JURISDICTIONAL LIMITS
Document Name
Date
2020-08
2020-07
2019-12
2020-03
2019-10
2020-06
2021-07
2021-07
2024-03
2025-03

