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Vortrag über Dampfspeichertechnik am Umwelt- und Energieapéro in Winterthur

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Am Dienstag, den 5. März 2013 hielt Dipl.Ing. Roger Waller einen Vortrag über die Dampfspeichertechnik und deren Perspektiven im Transportsektor. Details siehe Anhang. Die Vorträge des Umwelt- und Energieapéros finden Sie unter folgendem Link:


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Last Updated on Wednesday, 13 March 2013 17:25

Presentation of DLM's Fireless Locomotives at Schaffhausen

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Friday, September 7 saw intensive shunting operation by the fireless locomotives of DLM at Schaffhausen's SBB station. The demonstration for interested customers included re-charging of steam at the nearby brewery. For logistic reasons, DLMs own steam fleet was being shunted around instead of the usual goods waggons.

Speicherlok FLC 03 160

Fireless locomotive FLC 03 160 hurries to the steam charging station of the Falken brewery. Photo: Erik Schneider

Dampf tanken in der Brauerei Falken

The flexible steam pipe connects the vessel of the locomotive to the stationary boiler of the brewery. After opening the valves, steam flows from the boiler to the locomotive until equal pressure is reached; a very simple and efficient method of energy transfer. Photo: Erik Schneider

FLC 03 160 und 147 (mit Solarzellen!)

Fireless locomotive FLC 03 160 shunts sister locomotive FLC 03 147. Please note the solar panels on the roof of the latter, replacing the steam turbogenerator. Photo: Erik Schneider

FLC 03 160 rangiert 52 8055

One can hardly think of a traction that is more environmentally friendly: The emmissionfree fireless locomotive FLC 03 160 silently shunts the modern, light oil-fired 52 8055 out of Schaffhausen shed. Photo: Erik Schneider

FLC 03 147 und 160

A view we will soon get used to again: fireless locomotives doing daily routine shunting! Certainly the design will be somehow more modern for new fireless locomotives, but this technology has so many convincing advantages regarding economy and ecology that it will be a matter of time until diesel locomotives will be replaced on most shunting duties, where they are inefficiently spending 75% of the time idling! Photo: Erik Schneider

Last Updated on Saturday, 03 November 2012 18:51

Open Days at the Winterthur Steam Centre on July 14 and 15, 2012

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VDW and DLM successfully organized the first steam event at the steam centre in Winterthur. Round trips with the modern 52 8055, a working steam power plant producing electricity for illumination of the steam kitchen and restaurant, round trips with a steam roller, a 5" steam railway and a miniature steam traction engine were among the outdoor attractions. Indoor, 70 steam engines weighing some 500 tons could be seen. As had been written in previous news reports, this collection was from the former Vaporama and had been transported from Thun to Winterthur by DLM who also assembled most of the larger engines.

The steam centre Winterthur is an ambitious project aiming to establish an open factory presenting steam activities in all forms: building new engines and locomotives, restoring and operating them. Operating engines will do useful work like producing heat and power, not just idling. The next opportunity to see the collection will be on November 17, 2012. Foto: Stephan Amacker


Foto: Roger Waller


Foto: Roger Waller


Foto: Roger Waller


Foto: Roger Waller


Foto: Roger Waller

Last Updated on Saturday, 03 November 2012 18:52


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An article on the "Einstein" show of the Swiss Television, dated 21 June 2012.

Einstein Beitrag



Last Updated on Wednesday, 18 July 2012 09:27

20 Years of modern steam

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On July 17, 1992 the all-new rack steam locomotive H 2/3 No. 12 was inaugrated on the Brienz-Rothorn Railway in Switzerland. It was the first of three modern rack steam locomotives built by the then famous and reknown Swiss Locomotive & Machine Works SLM in Winterthur. Previously the five rack- and adhesion steam locomotives built by SLM in 1952 for the Nilgiri Mountain Railway in India had been considered the last Swiss steam engines to be built. As it turned out, it was not so and 40 years later, a revival of the steam locomotive production began.

Improved economy and ecology are the main features of the modern steam locomotives, somehow detrimental to the common image of (old) steam. This is why the term modern steam was created. One man operation (no fireman), very clean combustion thanks to a newly developed light oil firing system and a very favourable weight per seat ratio made the modern steam locomotives competitive with the contemporary diesel traction. The second prototype was delivered a few weeks later to the electrified mountain railway Montreux-Glion-Rochers-de-Naye. The third locomotive went to the Schneebergbahn in Austria, to be transferred to the Schafbergbahn one year later.

The revival of the steam locomotive production in Switzerland, certainly the most unlikely country in view of it's fully electric railway system, made worldwide headlines in the press. A few articles are scanned below. In 1996 a further batch of five virtually identical new steam locomotives were produced, two for the Brienz-Rothorn Bahn, three for the Schafbergbahn. Steam locomotive No. 1 of the Montreux-Glion-Rochers-de-Naye was sold to the Brienz-Rothorn Bahn following a change of the management, working there as No. 16 since 2005. The Montreux-Glion-Rochers-de-Naye still advertises "Belle Epoque"-trains, but the old electric locomotive only handles one carriage, whilst the modern steam locomotive took two with the equal number of staff.

Both the Brienz-Rothorn Bahn and the Schafbergbahn now have four modern steam locomotives in service. Thanks to their economy they handle some 90% of all passenger trains and prevented dieselisation of the railways. Only the Schneebergbahn, following privatisation, took a decision to dieselize. However the steam operated Schafbergbahn is far more successfull then the dieselized Schneebergbahn, who carries only about a fourth of passengers.  

Steam locomotive No. 12 (SLM 5456/1992) shortly after delivery at Brienz station. Photo: Roger Waller


Almost twenty years later, No. 12 has not changed much, save for the lettering. Seen here at the middle station Planalp. Photo: Roger Waller


Steam locomotive No. 1 (SLM 5457/1992) on its last day at the Montreux-Glion-Rochers-de-Naye, taking water at the American style water tower at Caux station. Photo: Roger Waller


Locomotive No. 1 of the Montreux-Glion-Rochers-de-Naye has become No. 16 of the Brienz-Rothorn Railway. Seen leaving the tunnel between Planalp and Oberstafel. Photo: Roger Waller


Steam locomotive 999.201 (SLM 5424/1992) of the Austrian Federal Railways at full power shortly after having left Schafbergalpe station. Photo: Harald Navé


The green paint scheme was not continued on the later batch of modern steam locomotives, nor on the carriages. One of the locomotives 999.202 bis 204 (SLM 5686/1995, 5687/1995 und 5688/1995) of the Austrian Federal Railways. Photo: ÖBB


Following the purchase of the Schafbergbahn by the Salzburger Lokalbahnen SLB the paint scheme changed again. Z14 ex 999.204 is seen at the top station Schafberg. Photo: Roger Waller

Last Updated on Friday, 15 June 2012 19:57

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