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Tuesday, 7 April 2015

INFOGRAPHICS #13: Trafalgar class nuclear powered attack submarines of the Royal Navy

HMS Triumph, last built submarine of the Trafalgar class.
Photo: Moshi Anahory
The Trafalgar-class nuclear-powered attack submarines were designed as Cold War warriors but have been adapted to the demands of the 21st century. The primary role was to hunt out and destroy enemy nuclear missile submarines as well as surface ships, over the decades they have been kitted out to perform other roles including covert surveillance and inshore reconnaissance of installations and landing beaches. All seven vessels were constructed by Vickers Shipbuilding and Engineering in Barrow-in-Furness, Cumbria. Three submarines have already retired (Trafalgar, Turbulent and Tireless) and four are active (Torbay, Trenchant, Talent and Triumph). These four submarines have been fitted with the Sonar 2076 system, which the Royal Navy describes as the most advanced sonar in service with any navy in the world. The Sonar 2076 sonar suite has the processing power of 2,000 laptop computers while it has the world’s largest number of hydrophones (13,000!), providing the Royal Navy with the “biggest ears” of any sonar system in service today. This sonar is so sensitive that one lurking in the Solent would be able to detect a ship leaving New York harbor 3,500 miles across the Atlantic! The boats have a displacement of 5,300tons, a length of 85.4 meters and the complement is 130 people. Like all Royal Navy submarines, the Trafalgar class have strengthened fins and retractable hydroplanes, allowing them to surface through thick ice.The submarines of the class are equipped with Spearfish torpedoes and Tomahwak land attack cruise missiles. The following images depict the compartments and the general characteristics of the boat as well as its most important weapon systems and electronic equipment.


Click to enlarge and save the image to view the details. In high resolution here.
Click to enlarge and save the image to view the details. In higher resolution here.

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