Lesson plan
DR Class 252
The DR Class 252 (after 1992: DB 156) was the last new development of an electric locomotive for the Deutsche Reichsbahn. It was intended as a supplement to the Class 250, and in further series as a successor to the Class 251 locomotives on the Rübelandbahn (electrified with 25 kV 50 Hz) and as a locomotive for transit traffic with a maximum speed of 160 km/h, which was to be used on the West Berlin-Hannover main line via Berlin-Staaken-Oebisfelde, which was to be expanded. However, the last two projects were never realized. As there was no longer any need for these locomotives with conventional AC technology after the reunification of Germany due to the rapid decline in freight traffic, the order for the first delivery series of 70 locomotives, which had already been completed, was canceled. A total of 350 units were planned to be procured in several delivery series by 1995.
Article summary
The DR Class 252 (after 1992: DB 156) was the last new development of an electric locomotive for the Deutsche Reichsbahn. It was intended as a supplement to the Class 250, and in further series as a successor to the Class 251 locomotives on the Rübelandbahn (electrified with 25 kV 50 Hz) and as a locomotive for transit traffic with a maximum speed of 160 km/h, which was to be used on the West Berlin-Hannover main line via Berlin-Staaken-Oebisfelde, which was to be expanded. However, the last two projects were never realized. As there was no longer any need for these locomotives with conventional AC technology after the reunification of Germany due to the rapid decline in freight traffic, the order for the first delivery series of 70 locomotives, which had already been completed, was canceled. A total of 350 units were planned to be procured in several delivery series by 1995.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.