Page updated on 15 May 2024

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Modules

This webpage is about the techniques, construction, materials and tools for making the undercarriage of my TT model railway.

Construction of modules

the undercarriage consists of three modules, which can be disconnected from each other. The modules are frames made of plywood ribs to make the construction as light as possible. The is necessary because the whole construction has to be able to roll back a forth, so I can reach it on all sides.

Fabrication of modules

Sawing ribs

Slide zaagbokken
Photo 1: Now the sawhorses once bought come in handy.
Slide zelfgemaakte werkbank
Photo 2: The same is true for the homemade workbench.
Slide aftekenen met patroonradarwiel
Photo 3: Marking off on the wood where the wood glue should go outside the ribs.
Slide aanbrengen houtlijm
Photo 4: Applying the wood glue to the marked areas.
Paper glue is applied on the ribs because that will allow removal of the glued on paper after it is cut.
Paper glue is applied on the ribs because that will allow removal of the glued on paper after it is cut.
Slide Vastrollen van het houtlijm
Photo 6: Rolling down the wood glue so the paper stays put when sawing.
Slide zagen circels met decuopeerzaag
Photo 7: This is how to cut circles with a jigsaw. Round hole saws burned the wood and took too long.
Slide recht zagen langs een aluminiumkoker
Photo 8: Using an aluminum tube, for straight cuts using a jigsaw.
Slide controle maten met rolmaat en tekening
Photo 9: Checking that the measurements match the drawing and then cutting to length.
Slide benamen van de ribben
Photo 10: And finally naming the ribs, because otherwise putting 35 ribs together won't work.

The ribs were drawn on a computer and printed full size. Then they were glued to the 12 mm plywood sheets and cut out.

Checking if the ribs fit

Here I show that the wooden skeleton fits.