Oldenburg G 1
Encyclopedia
The Oldenburg Class G1s were German steam locomotives procured by the Grand Duchy of Oldenburg State Railways
(Großherzoglich Oldenburgische Staatseisenbahnen) from 1867 to 1877. They were intended to work both as tank engines as well as with a tender.
locomotives, a configuration chosen for its simplicity and cheapness of construction. It had horizontal outside cylinders and a number of original design features, including a radially-stayed, round-top firebox and a small 'regulator
box' that replaced the usual steam dome
.
The locomotive frame
was designed as a box with riveted steel plates that enabled it to double up as a feedwater
tank, an arrangement known as the Krauss system. It had an Allan valve gear. The connecting and coupling rods were made of fluted I-section steel, the first time such a form had been used, although Belpaire
in Belgium
was developing the same idea, independently, at the time.
in 1867 the first locomotive, named Landwührden (see table photo), won a gold medal for excellence and design of workmanship. This engine - which was also the first one built by Georg Krauss of Munich
and therefore had the works number I – was withdrawn from service in 1900 and may be viewed today in the Deutsches Museum
in Munich. It is the only surviving locomotive from the Grand Duchy of Oldenburg State Railways.
as DRG Class 51.70, but this did not happen because by the time the final renumbering plan
was drawn up in 1925, all the locomotives had been retired.
Grand Duchy of Oldenburg State Railways
The Grand Duchy of Oldenburg Railway was the railway company that was run as a state railway for the Grand Duchy of Oldenburg , part of the German Empire....
(Großherzoglich Oldenburgische Staatseisenbahnen) from 1867 to 1877. They were intended to work both as tank engines as well as with a tender.
Design
The G1 class were 0-4-00-4-0
Under the Whyte notation for the classification of steam locomotives, 0-4-0 represents one of the simplest possible types, that with two axles and four coupled wheels, all of which are driven...
locomotives, a configuration chosen for its simplicity and cheapness of construction. It had horizontal outside cylinders and a number of original design features, including a radially-stayed, round-top firebox and a small 'regulator
Steam locomotive components
A listing of the components found on typical steam locomotives.center|720px|Schematic steam locomotiveGuide to steam locomotive components .A listing of the components found on typical steam...
box' that replaced the usual steam dome
Steam dome
A Steam dome is a vessel fitted to the top of the boiler of a steam locomotive. 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...
.
The locomotive frame
Locomotive frame
A locomotive frame is the structure that forms the backbone of the railway locomotive, giving it strength and supporting the superstructure elements such as a cab, boiler or bodywork. The vast majority of locomotives have had a frame structure of some kind...
was designed as a box with riveted steel plates that enabled it to double up as a feedwater
Boiler feedwater
Boiler feedwater is water used to supply a boiler to generate steam or hot water. At thermal power stations the feedwater is usually stored, pre-heated and conditioned in a feedwater tank and forwarded into the boiler by a boiler feedwater pump....
tank, an arrangement known as the Krauss system. It had an Allan valve gear. The connecting and coupling rods were made of fluted I-section steel, the first time such a form had been used, although Belpaire
Alfred Belpaire
Alfred Jules Belpaire was a Belgian locomotive engineer who invented the square-topped Belpaire firebox in 1860....
in Belgium
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...
was developing the same idea, independently, at the time.
The first engine, Landwührden
At the world exhibition in ParisParis
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...
in 1867 the first locomotive, named Landwührden (see table photo), won a gold medal for excellence and design of workmanship. This engine - which was also the first one built by Georg Krauss of Munich
Munich
Munich The city's motto is "" . Before 2006, it was "Weltstadt mit Herz" . Its native name, , is derived from the Old High German Munichen, meaning "by the monks' place". The city's name derives from the monks of the Benedictine order who founded the city; hence the monk depicted on the city's coat...
and therefore had the works number I – was withdrawn from service in 1900 and may be viewed today in the Deutsches Museum
Deutsches Museum
The Deutsches Museum in Munich, Germany, is the world's largest museum of technology and science, with approximately 1.5 million visitors per year and about 28,000 exhibited objects from 50 fields of science and technology. The museum was founded on June 28, 1903, at a meeting of the Association...
in Munich. It is the only surviving locomotive from the Grand Duchy of Oldenburg State Railways.
Retirement
Nineteen of the engines were to have been taken over by the Deutsche ReichsbahnDeutsche Reichsbahn-Gesellschaft
The Deutsche Reichsbahn – was the name of the German national railway created from the railways of the individual states of the German Empire following the end of World War I....
as DRG Class 51.70, but this did not happen because by the time the final renumbering plan
DRG renumbering plan for steam locomotives
In 1922 the Deutsche Reichsbahn began to develop a renumbering plan to standardize the numbering of steam locomotives that had been taken over from the state railways . Its basis was the corresponding DRG classification system....
was drawn up in 1925, all the locomotives had been retired.
Importance
According to Ransome-Wallis, "there is no doubt that this locomotive was, in many ways, an important 'landmark' in the history of locomotive development in Europe."See also
- Grand Duchy of Oldenburg State RailwaysGrand Duchy of Oldenburg State RailwaysThe Grand Duchy of Oldenburg Railway was the railway company that was run as a state railway for the Grand Duchy of Oldenburg , part of the German Empire....
- List of Oldenburg locomotives and railbuses
- LänderbahnenLänderbahnenThe German term Länderbahnen generally refers to the state railways of the German Empire in the period from about 1840 to 1920 when they were merged into the Deutsche Reichsbahn after the First World War....
Sources
- Bernhard Schmeiser: Krauss-Lokomotiven, Verlag Slezak, Wien, 1977, ISBN 3-900134-36-7
External links
- There is a relevant English-language forum at Railways of Germany