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Rhaetian Railway G 3/4 No. 11 "Heidi" back in Service after an extensive Overhaul

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On Friday, July 11, 2014 the 2-6-0 tank engine G 3/4 No.11 successfully moved under its own steam following an extensive overhaul and modernization. This metre gauge locomotive was  built in 1902 by the Swiss Locomotive & Machine Works SLM in Winterthur. The rebuilding and modernization was a joint venture between the Swiss society of volonteers "Club 1889" and DLM Ltd. DLM delivered a new boiler including a superheater and the well known environmentally friendly  light oil firing system, new pistons and piston rods, new valves and valve rods and an electric preheating device.

This particular steam locomotive is  named "Heidi" since it appeared in the namesake Swiss film.

The electric preheating device can be seen in the lower left corner of the picture. It allows unattended, emmissionfree heating of the boiler overnight, up to a boiler pressure of 10 bar. Picture: Roger Waller

In front of the shed in Samedan, "Heidi" successfully moves under its own steam. Picture: Christian Ticar


Last Updated on Wednesday, 16 July 2014 15:22

Fireless Technology for Ferrys

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Up to now the fireless technology has only be used for shunting locomotives. Thanks to the enormous storage capacity of hot water under pressure, the simple and extremely reliable technology can be envisaged for other applications as well. Following the results of previous general study on behalf of the Swiss Department of Energy BFE, a detaild study for ferry operation on fireless steam will now be undertaken.

Last Updated on Wednesday, 16 July 2014 15:29

Grosser Erfolg des Dampfevents vom 26. und 27. April 2014 zur Feier 750 Jahre Winterthur

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not yet translated!

Rund 9000 Besucher erfreuten sich an den zahlreichen Dampflokomotiven, Dampfwalzen und Dampfmaschinen, die am Wochenende des 26. und 27. April im Areal zwischen dem Bahnhof Winterthur und der ehemaligen Lokomotivfabrik SLM vorgeführt wurden. Ausführlicher Bericht siehe Anhang:

Last Updated on Wednesday, 11 June 2014 15:15

Vortrag an der TU Berlin am Dienstag, den 4. Februar 2014

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not yet translated!

Der Vortrag zum Thema: Moderne Dampflokomotivtechnik beginnt um 16 Uhr, siehe Anhang. Er ist öffentlich, der Eintritt ist frei.

Download this file (DLM20140104_Waller_Folie1.ppt)Vortrag an der TU Berlin[ ]1201 Kb

Alternative Energy for Shunting, Suburban Traffic, Commercial Vehicles and Ferries

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Worldwide, oil products dominate transport to 99%. This enormous dependence is dangerous. The globalized production needs cheap transport. If the oil prize increases drastically, the system becomes unstable. Who knows how long the oil prize will remain stable? It would be wise to look for alternatives now.

In cooperation with the foundation Swiss Excellence and two Swiss Universities, DLM has worked out a study proposing oil-free alternatives in transport. The study had been ordered by the Swiss Department of Energy BFE and is available in German only, but heavily illustrated. To see or download please click :

000000290878 , 14,4MB

The advantages of the proposed technology are enormous. Any type of energy can be used.

- Reduction of the dependence on oil

- Use of "free" energy such as waste heat, solar heat and geothermal energy possible

- CO2-neutral operation with biomass such as wood chips or pellets possible

- Substantially lower capital-, operating- and maintenance costs

- Emissionfree operation, no oxygen needed (important for work in tunnels and tunnel rescue)

- No idling, no waste of energy (Diesel locomotives in shunting spend 75% of the time idling, when discharging wagons up to 95%)

- Significant noise reduction compared to combustion engines

New: Heating container allows the use independent of industrial energy sources. In cooperation with an industrial partner DLM has developed a 20'-ISO-Heating container fired with wood chips. Compared to diesel fuel, wood chips cost a fraction.


Last Updated on Friday, 18 October 2013 09:39

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