bremen class cruiser bremen class group seven light cruisers built imperial_german_navy early 1900s seven ships bremen hamburg berlin leipzig danzig improvement previous class significantly larger earlier class faster better armored like armed main battery guns pair torpedo tubes ships bremen class served variety roles overseas cruiser fleet scout training ship bremen leipzig deployed american asian stations respectively ships remained german waters high_seas_fleet outbreak world war august leipzig pacific_ocean saw action battle november sunk month later battle islands bremen sunk russian december ships class survived war surviving ships danzig seized britain war prizes end war sold scrapping ships hamburg berlin training cruisers 1920s converted barracks ships mid-1930s role filled decade hamburg sunk british bombers later broken scrap berlin scuttled deep water end world war dispose load chemical weapons design naval law authorized construction new light cruisers class cruiser filled requirements vessels design bremen class improved version preceding class improvements chiefly size speed accommodate powerful propulsion system funnel added armored deck significantly fourth ship class fitted steam turbines quality turbine engines compared identical vessels bremen class followed class similar including armament like ship class stettin equipped turbine engines rest traditional triple expansion engine general characteristics bremen class ships meters long waterline long overall beam draft forward displaced metric tons long tons designed long tons short tons combat load ships hulls constructed transverse longitudinal steel frames incorporated watertight compartments hulls double ran percent length hull seven ships good sea boats rolled degrees wet high speeds suffered slight weather helm ships turned tightly hard turn speed fell percent transverse metacentric height ships standard crew fourteen officers enlisted men later careers figures increased respectively bremen class ships carried number smaller boats including picket boat machinery exception ships propulsion system consisted triple expansion engines designed indicated horsepower speed knots mph instead fitted pair parsons steam turbines rated shaft horsepower speed knots mph seven ships exceeded speeds trials seven ships coal fired marine type water tube boilers funnels amidships ships carried tonnes long tons coal gave ships range nautical miles knots mph efficient turbine engines cut cruising radius nmi ships class longer range nmi bremen hamburg generators produced total output kilowatts volts rest ships generators rated kilowatts voltage armament armor ships class armed guns single mounts placed forward forecastle located amidships placed aft guns engage targets supplied rounds ammunition shells gun later careers bremen guns installed place forward rear guns retained broadside guns seven ships equipped torpedo tubes torpedoes tubes submerged hull broadside later pair torpedo tubes installed deck mounts torpedoes armor protection members class consisted layers steel layer krupp armor ships protected armored deck millimeters thick sloped armor thick gave measure vertical protection coupled coal conning tower thick sides thick roof ships guns protected thick shields construction seven ships bremen class built german including private firms government shipyards service history ships bremen class served variety roles careers bremen leipzig served abroad returned germany shortly outbreak world war remained hamburg berlin danzig served reconnaissance forces high_seas_fleet entered service torpedo test ship pre war service seven ships saw action world war bremen leipzig lost conflict danzig present battle bight august directly engage british ships rescue survivors sinking cruiser hamburg present raid december briefly encountered engage british light forces ship saw action battle jutland june hit medium caliber shells moderately damaged ships bremen danzig saw action forces baltic_sea war including assault battle gulf bremen struck russian mines december sank majority crew going leipzig overseas start war saw action late engaged british cruiser sunk glasgow berlin withdrawn service disarmed badly damaged british october decommissioned use barracks ship hamburg barracks ship later war leipzig training ship danzig ship leave active service late surviving ships berlin hamburg retained newly reorganized training ships remaining danzig surrendered war prizes united_kingdom sold scrapping early 1920s hamburg berlin training cruisers late 1920s early 1930s mid-1930s converted floating barracks hamburg sunk british bombers later raised broken scrap berlin survived world war loaded chemical weapons scuttled war dispose munitions
Bremen-class cruiser