{"id":40633,"date":"2024-10-25T12:23:00","date_gmt":"2024-10-25T10:23:00","guid":{"rendered":"https:\/\/marineforum.online\/?p=40633"},"modified":"2025-09-29T20:59:05","modified_gmt":"2025-09-29T18:59:05","slug":"frigate-ex-karlsruhe-blasting","status":"publish","type":"post","link":"https:\/\/marineforum.online\/en\/fregatte-ex-karlsruhe-ansprengung\/","title":{"rendered":"Frigate Ex-\"Karlsruhe\": Blasting"},"content":{"rendered":"

The German navy still needs its good old frigate \"Karlsruhe\" - as a test object for explosive tests. Update from 25.10.2024
\n<\/strong><\/h3>\n

The background to the claims is an investigation by the Eckernf\u00f6rde plant in Schleswig-Holstein. WTD<\/abbr> 71 (<\/span><\/abbr>Defence Technology Agency)<\/span><\/abbr> of the Bundeswehr for ships and naval weapons, maritime technology and research. This wants <\/span>Findings about the <\/span>The effect of explosive devices such as sea mines on a ship as a whole, but above all on the <\/span>crew.<\/p>\n

\"\"
In good shape despite a long laytime: decommissioned frigate \"Karlsruhe\". Photo: Bw\/S. Diedrichsen<\/figcaption><\/figure>\n

Since its decommissioning the \"<\/span>Karlsruhe\" has been prepared for this by the installation of countless sensors, among other things, and is on the necessary Level <\/span>maintained. In particular, large parts of the drive systems are in <\/span>operation and regular test runs were carried out. The director of the WTD <\/abbr>71, Frank Menning, explained on bundeswehr.de how important and complex such investigations are, and what the <\/span>Bundeswehr undertakes to the <\/span>Effects on the <\/span>environment as low as possible. Here in extracts:<\/p>\n

\n
\n
\n
\n

For the first time, a modern ship is available for blasting in which essential components of the propulsion systems such as diesel engines, turbines, gearboxes and shaft systems are still available. in <\/span>operational condition. This makes it possible to estimate when and what damage will be caused by the <\/span>Blasting on these systems real <\/span>are caused. Comparable blasting was in <\/span>In the past, these were only carried out on older fighter ships, where these systems were no longer operational. In <\/span>In the period from 21 October 2024 to 4 November 2024 at the latest, two detonations with 50 kilograms and 175 kilograms of explosives are planned with the ex-\"Karlsruhe\", in <\/span>Blasting with increasing amounts of explosives is planned for each of the following years until 2028. Blasting will take place around four and a half kilometres from the coast in <\/span>the Baltic Sea. In <\/span>of the former frigate \"Karlsruhe\" contains many components, the <\/span>even today in <\/span>same or comparable Shape <\/span>can be used. This means that the <\/span>The results are easily transferable to modern shipbuilding: The <\/span>The data obtained from the investigation serve so <\/span>validation of the simulation tools and are therefore an important basis for future ship designs. For the <\/span>Measurements are in <\/span>sensors and recording devices in the ship: Several hundred sensors and many kilometres of cable have already been installed. The ship is also being measured using special methods in order to recognise and determine deformations. In addition to the measuring points directly on the ship's structure and engines, \"Crash test dummies\" <\/span>of the Defence Technology Agency for Weapons and Ammunition. This data is available for the\u00a0<\/span>The impact of shock on people is of particular importance to the medical service, especially as there is only data from the Second World War or from accidents and incidents in other nations. This has direct consequences for our in <\/span>ships in service - it is a matter of so <\/span>for the \"life and limb\" of our soldiers.<\/p>\n<\/div>\n<\/div>\n

\n
\n

Comprehensive environmental concept<\/strong><\/p>\n

One concern in the fjord is, of course, the environment: the effects of the blast wave on the <\/span>Although the environmental impact is extremely short-lived, according to Menning, it has a significant organic pollutant effect. A comprehensive concept was drawn up to protect the environment. In addition to a double air bubble curtain, this also includes the <\/span>Harbour porpoise deterrence for the <\/span>duration of the investigations. Several additional ships will be deployed for this purpose alone. The <\/span>Scaring takes place from four positions around the bubble veil. The <\/span>Devices are so <\/span>and positioned that the <\/span>Animals from the area around the <\/span>around the blast site. In addition, from these ships the <\/span>Optical monitoring of the <\/span>area. The bubble veil has the <\/span>Function, the <\/span>dampen the blast wave of the explosion and so their <\/span>range significantly. In addition, the test period so <\/span>The date was chosen to be outside the sensitive period for the harbour porpoise.<\/p>\n<\/div>\n<\/div>\n

\n
\n

During blasting, so-called \"explosive-typical compounds\" are created, the <\/span>unavoidable into the <\/span>environment. Measured against the surrounding water and air masses the <\/span>However, the quantities are very small and \"dilute\" quickly. Compared to the environment, these are very small quantities. Through the <\/span>pressure wave creates a crater on the seabed. Due to the low current velocities in <\/span>This crater can remain in this area for a longer period of time. This change in the Shape <\/span>of the <\/span>However, there is no known harmful influence on the seabed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n

Abridged original text from<\/span> Heike Westh\u00f6fer and J\u00f6rg Norrmann on bundeswehr.de<\/em> <\/span><\/address>\n
\u00a0<\/address>\n
\n
\"\"
Test platform Sch\u00f6nhagen. Photo: Michael Nitz<\/figcaption><\/figure>\n<\/address>\n
Prior to the blasting test, the test platform \"Sch\u00f6nhagen\" of WTD 71 was moved from the tug \"Nordstrand\" to the measuring area.<\/address>\n
After the launch, our photographer Michael Nitz was able to take a picture of the tow accompanied by the state police boat \"Falsh\u00f6ft\" in front of the Kiel lighthouse before the convoy entered the Kiel Fjord in the dark.<\/address>\n
\n
\"\"
Tug and tow ex-\"Karlsruhe\" in front of the Kiel lighthouse. Photo: Michael Nitz<\/figcaption><\/figure>\n<\/address>","protected":false},"excerpt":{"rendered":"

Die Deutsche Marine braucht ihre gute alte Fregatte \"Karlsruhe\" noch \u2013 als Testobjekt f\u00fcr Ansprengversuche. Update vom 25.10.2024 Hintergrund der Ansprengungen ist eine Untersuchung der im schleswig-holsteinischen Eckernf\u00f6rde gelegenen WTD 71 (Wehrtechnische Dienststelle) der Bundeswehr f\u00fcr Schiffe und Marinewaffen, Maritime Technologie und Forschung. Diese will Erkenntnisse \u00fcber die Wirkung von Sprengk\u00f6rpern wie beispielsweise Seeminen auf […]<\/p>\n","protected":false},"author":10,"featured_media":40635,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_oasis_is_in_workflow":0,"_oasis_original":0,"_oasis_task_priority":"2normal","footnotes":""},"categories":[49,486,42,51,52],"tags":[8279,8280,8281,338,2482,8282,2827,4758,158,4759,6250,5429],"class_list":["post-40633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-schiffsbau-news","category-headlines","category-news","category-streitkraefte-news","category-technologie-news","tag-ansprengen","tag-dienststelle","tag-druckwelle","tag-fregatte","tag-karlsruhe","tag-luftblasenschleier","tag-schweinswal","tag-sprengung","tag-umweltschutz","tag-vergraemen","tag-wehrtechnik","tag-wtd"],"acf":[],"_links":{"self":[{"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/posts\/40633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/comments?post=40633"}],"version-history":[{"count":1,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/posts\/40633\/revisions"}],"predecessor-version":[{"id":49449,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/posts\/40633\/revisions\/49449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/media\/40635"}],"wp:attachment":[{"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/media?parent=40633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/categories?post=40633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marineforum.online\/en\/wp-json\/wp\/v2\/tags?post=40633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}