Exhibits

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Propaganda and utopia: the merchant submarine GERMANY

During the First World War, merchant submarines were supposed to render the British trade blockade ineffective. Two were built, but only the GERMANY transported trade goods twice.

What were the economic and political interests in the deployment of submarines during the First World War? In a section of the exhibition on the significance of shipping from the foundation of the German Reich in 1871 to the end of the First World War, which is currently being designed, we will examine the close intertwining of civilian and military shipping, which can be well followed using the example of the project to build a merchant submarine fleet.

The collection of the German Maritime Museum contains a model of the merchant submarine DEUTSCHLAND. The DEUTSCHLAND had two periscopes as well as depth rudders and external tanks. The depth rudders are essential for manoeuvring the ship under water, the so-called dynamic diving. The outer tanks, but also the ballast water tanks inside, serve to trim the ship. The high proportion of cargo capacity and the absence of any military equipment, such as torpedoes, are striking. In contrast to military submarines, the lounges and living quarters take up a large part of the ship. The ship model shows the condition of the boat before it was converted into a submarine cruiser in 1917.

 

From SCUBA DIVER to GERMANY: Submarine construction until the First World War

The DEUTSCHLAND is with 65 m a long submarine. It is 8.9 m wide and has a maximum draught of 4.8 m. It displaced 1440 tons on its maiden voyage in 1916 and had a crew of 29 on board. It could reach a maximum speed above water of 19 km/h and under water of 10 km/h. Its radius of action was 12,000 nautical miles. To supply the ship and crew, 180 tons of fuel oil and 20 tons of water were carried on its first voyage. During the conversion of the DEUTSCHLAND into a naval submarine in 1917, the space previously reserved for the transport of commercial goods was used to accommodate the crew, and the boat could now also carry more fuel oil.

Furthermore it was equipped with torpedo tubes on the outer skin. These changes meant that the boat had less displacement. However, its speed and diving depth had not changed, which put it at a disadvantage compared to other submarines.

The merchant submarine GERMANY was not the first submarine that had been built in Germany. In the development of the prototype, the so-called BRANDDAUCHER, which like the DEUTSCHLAND had been designed and built in Kiel, played a major role. This was tested there in 1851 in the Kiel inner fjord. The engineers succeeded in bringing the 8.07 m long and 2 m wide boat to 7 m diving depth. Then it turned out that it had been insufficiently trimmed because the current conditions had not been taken into account. The ballast shifted inside the hull, water got into the stern of the boat. The boat sank through, more water penetrated through the seams of the hull and through the boarding hatch. The crew of three managed to save themselves.

Despite its failure, the experiment was the starting signal for the further development of roadworthy prototypes. This was not primarily driven by a purely technical and scientific interest, but by the increasing competition from Great Britain and Germany for maritime supremacy.

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Opening hours

daily 10 am - 6 pm

how to reach us

Deutsches Schifffahrtsmuseum
Hans-Scharoun-Platz 1
D-27568 Bremerhaven

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T. +49 471 482 07 0
E. info@dsm.museum

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