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Brummer-class cruiser

Brummer-class cruiser.jpg
One of the Brummer-class cruisers, probably on the way to Scapa Flow
Class overview
Builders: AG Vulcan Stettin
Operators:  Kaiserliche Marine
Preceded by: Nautilus class
Succeeded by: Cöln class
Built: 1915–1916
In commission: 1916-–1919
Completed: 2
General characteristics
Type: Minelaying light cruiser
Displacement:
  • Design: 4,385 t (4,316 long tons)
  • Full load: 5,856 t (5,764 long tons)
Length: 140.40 m (460 ft 8 in)
Beam: 13.20 m (43 ft 4 in)
Draft: 6 m (19 ft 8 in)
Propulsion: 2 shaft steam turbines, 6 boilers, 33,000 shp (25,000 kW)
Speed: 28 knots (52 km/h; 32 mph)
Range: 5,800 nmi (10,700 km; 6,700 mi) at 12 knots (22 km/h; 14 mph)
Complement:
  • 16 officers
  • 293 enlisted men
Armament:
  • 4 × 15 cm SK L/45 guns
  • 2 × 8.8 cm (3.5 in) L/45 AA guns
  • 2 × 50 cm (20 in) torpedo tubes
  • 400 mines
Armor:
  • Belt: 40 mm (1.6 in)
  • Deck: 15 mm (0.59 in)
  • Conning tower: 100 mm (3.9 in)

The Brummer class consisted of two light mine-laying cruisers built for the Imperial German Navy in World War I: SMS Brummer and SMS Bremse. When the war broke out, the Germans had only two older mine-laying cruisers. Although most German cruisers were fitted for mine-laying, a need for fast specialized ships existed. The Imperial Russian Navy had ordered a set of steam turbines for the Borodino-class battlecruiser Navarin from the AG Vulcan shipyard in Stettin. This machinery was confiscated on the outbreak of war and used for these ships. Both vessels were built by AG Vulcan.

The two ships laid a series of minefields during their career, though their most significant success came in October 1917, when they attacked a British convoy to Norway. They sank two escorting destroyers and nine of the twelve merchant ships from the convoy. They escaped back to Germany without damage. The two ships were interned at Scapa Flow after the end of the war, and were subsequently scuttled by their crews on 21 June 1919. Brummer was sunk in deep water and was never raised, but Bremse was brought up in 1929 and broken up for scrap in 1932–1933.

In 1914, AG Vulcan in Stettin was building two sets of high-powered steam turbines for the Russian Navy for use in their new battlecruiser Navarin, then under construction in Russia. After the outbreak of World War I in August 1914, which saw Germany and Russia on opposing sides, the German government seized the turbines. At that time, the Kaiserliche Marine possessed only two cruisers equipped for mine-laying operations, the cruisers Nautilus and Albatross. The Kaiserliche Marine ordered AG Vulcan to split Navarin's propulsion system in half and to design a pair of cruiser hulls around the engines. The ships were to be fast mine-layers, capable of mining an area under cover of darkness and quickly returning to port before they could be intercepted. They were designed to resemble the British Arethusa class cruisers to aid in their ability to operate off the British coast.


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