Category: Headlines

Wolgast: Unscheduled shipyard time for an "old treasure"

The workhorse of the Leibnitz Institute for Baltic Sea Research Warnemünde (IOW), the research vessel "Elisabeth Mann Borgese", had sudden technical problems with the steering gear and stabilisers and had to be taken to the Peene shipyard in Wolgast for an unscheduled repair. The ship was built in 1986 at the former Kröger shipyard in Schacht-Audorf near Rendsburg in Schleswig-Holstein and the steering gear is still original. It was necessary to find specialists who were still familiar with the technology, as a retired shipbuilder had already been activated in the past who was still able to use a certain hand-polishing process. The ship was docked for maintenance work at the beginning of the year and it had to be...

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Frigate Ex-"Karlsruhe": Blasting

The German Navy still needs its good old frigate "Karlsruhe" - as a test object for blasting tests. Update from 25.10.2024 The background to the detonations is an investigation by WTD 71 (Wehrtechnische Dienststelle) of the German Armed Forces for Ships and Naval Weapons, Maritime Technology and Research, located in Eckernförde in Schleswig-Holstein. The aim is to gain knowledge about the effects of explosive devices such as sea mines on a ship as a whole, but above all on the crew. Since it was decommissioned, the "Karlsruhe" has been prepared for this by installing countless sensors, among other things, and maintained at the necessary level. In particular, large parts of the propulsion systems are kept in operation and regularly...

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China - new amphibious assault vehicle takes shape

In addition to the ambitious aircraft carrier programme for the surface combatants, the Chinese navy is also consistently expanding its amphibious potential: The six amphibious assault ships of the Type 071 Yuzhao class with a length of 210 metres and 20,000 tonnes (similar to American LPDs of the San Antonio class) and the four Type 075 Yushen-class medium helicopter landing ships with a length/width of 232 / 38 metres and a displacement of 36,000 tonnes are well known.000 tonnes displacement; recently an even larger ship was identified under construction on the Changxing shipyard island off Shanghai, 263 metres long and 46 metres wide - i.e. 50 metres shorter and half as wide as the new aircraft carrier "Fujian" (see compilation The War...

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Cable clutter

Underwater cables are one of the lifelines of the global economy. Time and again, dubious incidents occur on the seabed. Pipelines on the seabed have recently been in the news. But what about the other underwater infrastructure, the telecommunications, supply and energy cables, here and in the hot spots of the earth? In 1858, the first transatlantic submarine cable was put into operation between the USA and Europe. Since then, 600 submarine communication cables have been laid worldwide, totalling four million kilometres in length, through which, among other things, 97 percent of all Internet data is transported. Compared to these fixed connections, communication via satellite is around fifteen times more expensive. Underwater cables...

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