LDE – Richard Hartmann to Zwickau
Encyclopedia
The RICHARD HARTMANN to ZWICKAU series of early German locomotives were express train
Schnellzug
A Schnellzug is an express train in German-speaking countries, where it refers to trains that do not stop at all stations along a line. The term is used both generically and also as a specific train type...

 tender locomotive
Tender locomotive
A tender or coal-car is a special rail vehicle hauled by a steam locomotive containing the locomotive's fuel and water. Steam locomotives consume large quantities of water compared to the quantity of fuel, so tenders are necessary to keep the locomotive running over long distances. A locomotive...

s operated by the Leipzig-Dresden Railway (Leipzig-Dresdner Eisenbahn orLDE).

History

The three locomotives were delivered to the LDE in 1849 by Hartmann
Sächsische Maschinenfabrik
The Sächsische Maschinenfabrik in Chemnitz was one of the most important engineering companies in Saxony in the second half of the 19th century and the first two decades of the 20th century. Including its various predecessor businesses, the firm existed from 1837 until its liquidation in 1930, and...

 of Chemnitz
Chemnitz
Chemnitz is the third-largest city of the Free State of Saxony, Germany. Chemnitz is an independent city which is not part of any county and seat of the government region Direktionsbezirk Chemnitz. Located in the northern foothills of the Ore Mountains, it is a part of the Saxon triangle...

 with works numbers 11 to 13. They were given the names RICHARD HARTMANN, CHEMNITZ and ZWICKAU.

The engines were retired in 1865 and 1868.

Technical features

The boiler
Boiler
A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid exits the boiler for use in various processes or heating applications.-Materials:...

 was rivetted from several sections. The outer firebox was equipped with a semi-circular dome that extended forward over the boiler barrel and acted as a steam collection space. The two spring balance safety valves were located on the dome of the outer firebox.

The steam cylinders were located externally, unlike those on English locomotives, which avoided the need for a cranked axle that would have been expensive and difficult to manufacture. The steam engine was equipped with inside Stephenson valve gear
Stephenson valve gear
The Stephenson valve gear or Stephenson link or shifting link is a simple design of valve gear that was widely used throughout the world for all kinds of steam engine. It is named after Robert Stephenson but was actually invented by his employees....

.

The locomotives did not have their own braking equipment. Braking could only be achieved using the hand-operated screw brake on the tender.

The locomotives had Kirchweger condenser
Kirchweger condenser
The purpose of the Kirchweger condenser was to preheat feedwater in a steam locomotive using the exhaust steam from the engine. It was invented in 1850 by Heinrich Kirchweger...

s to pre-heat the feedwater. An external feature of that is the second chimney on the tender. Exhaust steam was led from the valve chest to the tender through a low-down, 100 mm, connecting pipe.

See also


Sources

  • Fritz Näbrich, Günter Meyer, Reiner Preuß: Lokomotivarchiv Sachsen 1, transpress VEB Verlag für Verkehrswesen, Berlin, 1983
  • Erich Preuß, Rainer Preuß: Sächsische Staatseisenbahnen, transpress Verlagsgesellschaft mbH, Berlin, 1991, ISBN 3-344-70700-0
  • Günther Reiche: Richard Hartmann und seine Lokomotiven, Oberbaum Verlag, Chemnitz, 1998, ISBN 3-928254-56-1

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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