Technical Standards & USEFUL INFORMATION
G1MRA publishes standards, boiler documents, guidance and various books including construction guides (click here for the Books page)
Safety
Important Safety Notice
Standards
G1MRA Standards Sheet 1 – Track & Wheels
G1MRA Standards Sheet 2 – General Dimensions
ScaleOne32
Standards
Suggested Track spacing for non-British stock
Boiler Testing
At the 13th July 2018 G1MRA committee meeting it was agreed that the boiler test codes developed by G1MRA in conjunction with the Model Engineering Liaison Group should be adopted. Accordingly the new 2018 codes and test certificate are appended and the 2008 code deleted.
Boiler Documents (revised July 2018)
Boiler Examiners Personal Record
Boiler Test Code 2018 – Volume 2 Boilers up to 3 bar litres
Boiler Test Code 2018 – Volume 3 LPG Tanks below 250ml
New Boiler
Certificate
Guidance
G1MRA Annual safety check
Steam loco fault diagnosis
Note that neither G1MRA, nor the authors, retain liability for guidance