Rack Railways

☰ All lines Scene SLM Abt 0-4-2T and carriage, 1896, on the Abt rack. A working-model generator at 16 mm scale from the 1896 Engineering plates.

Scale and fit

Scale 1: Tooth addendum × module Tooth dedendum × module Backlash per flank mm Lamella thickness mm Lamella gap mm Pinion ring face mm Running bore mm Press-fit bore mm Pitches per track length Plinth under the rails Rack through the points

Fit checks

Parts to print

Part	Qty	Size mm

This web version shows the parts and how each is printed; it does not export STL files.

Also needed

Prototype data and where it comes from