Scale & Standards

Understand the dimensions, conventions and interfaces behind a railway that fits together.

Displayed toy trains of different sizes illustrate why scale and gauge need separate records.

Scale and gauge answer different questions

Scale & Standards

Read the two measures without confusing them.

4 min read
A TT locomotive model provides a concrete size choice to compare with a planned scene.

Choose a scale by the work you enjoy

Scale & Standards

Compare scales against tasks rather than popularity.

4 min read
An archival track view illustrates the physical details for which applicable technical documents matter.

How to read a model railway standard

Scale & Standards

Find the applicable document and distinguish advice from requirements.

4 min read
A station model illustrates architectural dimensions that require consistent conversion.

From full size to model size without guessing

Scale & Standards

Convert prototype dimensions consistently.

4 min read
A model bridge and passing train illustrate the clearance relationship between vehicle and scenery.

The space around a train matters too

Scale & Standards

Understand why body clearance exceeds track gauge.

4 min read
Model track being ballasted shows the rail and support surfaces that need to remain distinct.

Track code is a height, not a scale

Scale & Standards

Understand rail code when combining track.

4 min read
An isolated model wagon chassis makes wheels and running gear visible for inspection.

A wheel check before a track rebuild

Scale & Standards

Triage vehicle-specific derailments without prescribing blind adjustments.

4 min read
An exhibition layout provides visual context for interface planning; this photograph does not verify a modular construction system.

A module joins more than two pieces of wood

Scale & Standards

Define a club interface before building a module.

4 min read
A TT locomotive and coaches illustrate a proposed model combination requiring compatibility checks.

Make a compatibility card before buying rolling stock

Scale & Standards

Record what a model must match.

4 min read