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Start Locomotives Modernizations / Retrofits
Referenzen Modernisierungen / Revisionen
Modernizations and Retrofits done by DLM AG.

Modernizations of the 52 8055

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 52 8055 DLM Einfahrt

Modern science and technology allows building steam locomotives and steam engines, which are far more powerful and efficient as their traditional ancestors. Whilst it usually pays to consider a new design, it can be worthwhile to have a look at rebuilding and modernizations. The degree of improvement depends on the quality of the original design and the amount of modifications. The following improvements are possible:

  • Light oil-firing  -> very clean combustion, higher efficiency, shorter preparation time, no waste
  • Roller bearings  -> less servicing, less maintenance, less rolling resistance
  • Better insulation  ->   saves energy, shortens preparation time
  • Internal streamlining    ->  more power at high speeds, improved efficiency
  • Improved balancing  ->  better riding quality, higher speed possible

Light-oil firing is recommended for ease of operation and cleanest combustion. However, steam locomotives are capable of handling most fuels and in many countries it is more economical to use coal or biomass. Big improvements are possible with conversion to the gas producer combustion system. This gives a cleaner combustion with reduced smoke, higher efficiency and power. 

52 8055 DLM 12-09-04


Download this file (Retrofit_de_2009.pdf)Retrofit_de_2009.pdf[Flyer Retrofit (deutsch)]805 Kb
Download this file (Retrofit_en_2009.pdf)Retrofit_en_2009.pdf[Flyer Retrofit (englisch)]806 Kb
Last Updated on Friday, 11 September 2009 16:05

Matterhorn – Gotthard Railway

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not yet translated!
This metre gauge rack and adhesion steam locomotive from the former Brig-Visp-Zermatt Railway was only seldom used when coal fired. This changed since the conversion to light oil firing, making operating much easier, cleaner and more reliable. The light oil firing also eliminates the danger of line side fires. In view of the historic value of this locomotive, the overhaul was done without other modernizations.  
Last Updated on Friday, 11 September 2009 13:30

Vitznau - Rigi Railway No. 7

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Vitznau - Rigi Bahn Nr. 7The Swiss Locomotive & Machine Works SLM in Winterthur had built this historically important standard gauge rack steam locomotive in 1873 with the works No. 1. For the 125th anniversary of both SLM and Vitznau – Rigi Railway, this unique steam locomotive has been restored and re-commissioned in 1996. Although the overhaul was made as close as possible to the original condition, today's requirements in regard to safety and operation made a new boiler and a new rack drive necessary. The original coal firing was retained.

After two successful summer seasons with daily operation on both the Vitznau and the Arth line, the locomotive had to be handed back to its owner, the Swiss Traffic Museum in Lucerne. Steam trains are now operated by the newer locomotives No. 16 and 17.

Last Updated on Friday, 11 September 2009 13:32
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