Prussian T 7
| Prussian T 7 DR series 89 78 DR series 89 64 PKP TKh2 |
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|---|---|
 "Breslau 1839" in Jaworzyna Śląska
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| Numbering: | DR 89 7801-7869 DR 89 6401 |
| Number: | 467 |
| Manufacturer: | Borsig , Grafenstaden , Hanomag , Hohenzollern , Union foundry , Vulcan |
| Year of construction (s): | 1881-1903 |
| Retirement: | 1931 ( DRG ) 1956 ( DR ) 1973 ( ARBED ) |
| Type : | C n2 |
| Genre : | Gt 33.14 |
| Gauge : | 1435 mm ( standard gauge ) |
| Length over buffers: | 9,560 mm |
| Service mass: | 42.0 t |
| Friction mass: | 42.0 t |
| Wheel set mass : | 14.9 t |
| Top speed: | 45 km / h |
| Driving wheel diameter: | 1,330 mm |
| Number of cylinders: | 2 |
| Cylinder diameter: | 430 mm |
| Piston stroke: | 630 mm |
| Boiler overpressure: | 12 bar |
| Grate area: | 1.33 m² |
| Evaporation heating surface: | 96.18 m² |
| Brake: | Hand brake (partly vapor barrier) on all wheel sets acting on one side from the front, later compressed air brake |
The group T 7 of the Prussian State Railways were freight train tender locomotives with the wheel arrangement C. It was not a series in today's sense of exactly the same machines.
history
In terms of construction, they go back to the mountain locomotives of the Rheinische Eisenbahn (RE) , which has not changed much from the Upper Silesian Railway (OSE) , the K.Dir. Saarbrücken and the Lower Silesian-Märkische Eisenbahn (NME) were procured. A second, slightly revised series, delivered to the latter company in 1881, proved itself so well that its design was adopted as sample sheet III-4c in the Prussian standard parts . The systematisation of the designations , begun in 1905, summarized all locomotives of this type that were still in existence at that time - both the "normal" and the "pre-normal" - at the Prussian Railways in the group T7. So 65 machines alone (e.g. 33 of the OSE, 14 of the K.Dir. Saarbrücken, but also 1 of the Thuringian Railway ), which were built before the standard was issued, were included in this group. Even after the group was formed, a total of 28 came into the Prussian administration, all of which had construction designs that differed from the sample sheet. With the 374 copies procured according to the sample sheet, there is consequently the number of 467 machines that were grouped as T7 by the Prussian State Railways.
The locomotives were mainly used in heavy shunting. Therefore, they were mainly stationed in the industrial areas. After the First World War , among other things, three locomotives were sold to the Süddeutsche Eisenbahn-Gesellschaft (SEG) and designated there as SEG 370–372.
After the First World War , 27 machines came to Poland. The PKP led them as TKh2 , none of whom were on duty during the attack on Poland .
Some of the state railway locomotives were later taken over by the Deutsche Reichsbahn ; while in 1923 137 T7s were still considered as 89 7801-7937 in the Deutsche Reichsbahn's re-drawing plan for regional railway locomotives , in 1925 only 68 units were classified as the 89 78 series in their numbering plan . By 1931, however, all of these machines had been taken out of service.
As a result of the turmoil of the war and post-war years, some machines are said to have reached Belgium and Latvia .
Another machine came in 1930 from the nationalized Bremer Hafenbahn as 89 7869 to the Deutsche Reichsbahn, was sold to the Kreis Oldenburger Eisenbahn AG and with this came back to the Reichsbahn in 1941. After the Second World War , only a few examples existed on private and works railways.
After the SEG route of the Arnstadt-Ichtershausen Railway was taken over by the Deutsche Reichsbahn in 1949, the SEG 372 was given the number 89 6401. It was in service there until 1956 and was sold to the Erfurt industrial railway, where it remained until it was retired in 1967 .
Preserved locomotives
One copy is preserved in Poland and one in Luxembourg from Train 1900 . The Polish locomotive was delivered to the KED Breslau by the Union (537/1890) and came to the PKP in 1919 as TKh2-12. After it was preserved in a museum in Warsaw Główna for many years , it was moved to the Jaworzyna Śląska Railway Museum in 2006 , where it was visually restored to its original state as "Breslau 1839". The Luxembourg locomotive was delivered directly from Hanomag (4018/1903) to the German-Luxemburgish Mining and Hütten-AG in 1903 as No. 12 and was used in the Differdingen plant . In 1973 the machine was handed over by ARBED to the Association des Musée et Tourisme Ferroviaires AMTF. After extensive overhaul, the locomotive has been operational again since 2013 and is used on the Pétange – Fond-de-Gras – Bois de Rodange route .
Web links
Individual evidence
- ↑ Herbert Rauter: Prussia Report No. 3 . Hermann Merker Verlag GmbH, Fürstenfeldbruck 1991, ISBN 3-922404-19-7 , p. 56 ff .
- ↑ Herbert Rauter 1991. p. 58.
- ↑ a b Herbert Rauter 1991. p. 59.
- ↑ Tomasz Galka on TKh2 . Retrieved February 19, 2015.
- ↑ www.werkbahn.de Union 537/1890 Jens Mertes. Retrieved February 24, 2015
- ↑ Hanomag 4018/1903 from Jens Mertes www.werkbahn.de. Retrieved February 24, 2015
- ↑ eisenbahn-magazin 11/2013, p. 26.