G1MRA publishes standards, boiler documents, guidance and various books including construction guides (click here for the Books page)
- G1MRA Standards Sheet 1 – Track & Wheels
- G1MRA Standards Sheet 2 – General Dimensions
- ScaleOne32 Standards
- Suggested Track spacing for non-British stock
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
- G1MRA and Gas Fired Locomotives is temporarily withdrawn for revision.