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Completed red Kö I on a Gauge 0 layout

Historical project · Gauge 0

Kö I kit initiative

How an article series became a small locomotive of its own

The Spurnull.de Kö I combined an accessible scratch-building project with the essential parts of a kit. It was intended to be genuinely built rather than merely assembled. The aim was to encourage individual results through choices of period, lettering, buffers, colour scheme, and other details.

From article to kit

A magazine idea became tangible

In December 2004, Torsten Frieboese began describing the construction of his Kö I on Spurnull.de. Readers followed the project across three issues. The strong response led to the first kit initiative in 2005 and a modified edition for Arge-Spur-0 members in 2006.

The kit supplied the essential parts while still requiring initiative from its builder. It introduced newcomers to scratch-building techniques and ensured that every completed locomotive remained individual.

Unpainted brass Kö I during construction

The kit

Five assemblies and genuine craft

The 32-page manual divided the model into its drive unit, frame, bonnet, cab, and interior. Soldering, bending, drilling, fitting, painting, and lettering were deliberately part of the project.

The unpainted brass makes the kit’s construction and hands-on character particularly visible.

Exploded drawing of the Kö I cab from the construction manual

The manual

Every assembly explained clearly

Exploded drawings showed the position and order of individual parts. This cab drawing comes from the 32-page manual and illustrates the project’s thoughtful construction.

Assembled AMZ drive for the Kö I

The later drive solution

AMZ drive for the modified edition

A fully assembled replacement drive was developed with AMZ Konstruktionen – Modellantriebe Albert Munz for modellers who preferred a more powerful ready-made solution.

  • Faulhaber geared motor
  • Chain drive to both axles
  • Current collection from all four FineScale wheels
  • Black-galvanised brass housing

A collaborative project

Many contributions made it possible

Torsten Frieboese’s article series provided the starting point. Frank Ulbrich coordinated the kit initiative and was responsible for project management, financing, component sourcing, and distribution. Support also came from AG Märkische Kleinbahn Berlin-Zehlendorf, MEC Rheinberg, Wilfried Binder, and Stefan Panske. Albert Munz (AMZ) later developed the fully assembled replacement drive.

Completed project

A chapter in the history of Spurnull.de

The initiative has ended; neither kits nor drives remain available. This page documents the project and thanks everyone who supported it with knowledge, design work, lettering, and practical help.