The ELBE to HAYN series of early, German, steam locomotives were equipped with tenders and operated by the

Leipzig–Dresden Railway Company The Leipzig–Dresden Railway Company (german: Leipzig-Dresdner Eisenbahn-Compagnie or LDE) was a private railway company in the Kingdom of Saxony, now a part of Germany. Amongst other things, it operated the route between Leipzig and Dresden, ope ...

(''Leipzig-Dresdner Eisenbahn'' or ''LDE'').

History

The five locomotives were delivered to the LDE in 1848 and 1849 by Borsig of

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...

. They were given the names ''ELBE'', ''BERLIN'', ''MULDE'', ''MEISSEN'' and ''HAYN''. The engines were retired in 1868/69.

Technical features

The

boiler A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, central h ...

was rivetted from several sections. The outer

firebox Firebox may refer to: *Firebox (steam engine), the area where the fuel is burned in a steam engine *Firebox (architecture), the part of a fireplace where fuel is combusted *Firebox Records, a Finnish 8101705801record label * Firebox.com, an electro ...

was equipped with a semi-circular dome that extended forward over the boiler barrel and acted as a steam collection space. In addition there was a

steam dome The steam dome is a vessel fitted to the top of the boiler of a steam engine. It contains the opening to the main steam pipe and its purpose is to allow this opening to be kept well above the water level in the boiler. This arrangement acts as a ...

on the front section of the boiler. The two spring balance safety valves were located on the steam dome and dome of the outer firebox. The steam

cylinders A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an infini ...

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 Borsig double

valve gear The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It can also serve as a reversing g ...

driven via two eccentric cams. 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 The purpose of the Kirchweger condenser (German: ''Kirchweger-Kondensationseinrichtung'' or ''Kirchwegersche Abdampfkondensation'') was to preheat feedwater in a steam locomotive using the exhaust steam from the engine. It was invented in 1850 by ...

s to pre-heat the

feedwater Boiler feedwater is an essential part of boiler operations. The feed water is put into the steam drum from a feed pump. In the steam drum the feed water is then turned into steam from the heat. After the steam is used it is then dumped to the ma ...

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

Sources

* * * {{DEFAULTSORT:LDE - Elbe to Hayn 2-2-2 locomotives Locomotives of Saxony Borsig locomotives Railway locomotives introduced in 1848 Standard gauge locomotives of Germany Passenger locomotives

History

Technical features

See also

Sources