class cruiser class light cruisers group ships built german kaiserliche_marine class comprised lead ship ships laid completed end armed main battery guns course careers rearmed powerful guns displaced long tons load rated speed knots mph vessels exceeded figure trials torpedo test ship outbreak world war august assigned baltic conducted series raids russian positions culminating sweep resulted grounding coast russian cruisers seized stranded ship captured code books gave copy british_royal_navy great advantage assigned battlecruiser remained mediterranean outbreak war british warships vessels reached constantinople transferred operated primarily black_sea january ventured mediterranean mined sunk served high_seas_fleet north_sea british saw action battle bight august served reconnaissance screen battlecruisers british coast present battle bank heavily engaged saw action russians baltic ships surrendered allies end war ceded italy renamed taranto served scuttled italian surrender raised germans sunk allied bombers twice finally scrapped given france renamed served placed reserve ultimately broken design design ships class prepared design incorporated number innovations including new longitudinal frame system hull development delayed construction years hull form redesigned improve efficiency new bow instead old cruiser ram bow german light cruisers incorporate armored belt waterline increased strength hull standard practice warship construction decades quarterdeck cut provide location drop mines features standard subsequent german cruiser designs general characteristics machinery ships class meters long waterline long overall beam draft forward aft displaced metric tons long tons short tons long tons short tons combat load hulls built longitudinal steel frames contained fourteen watertight compartments hull divided sixteen watertight compartments vessels double extended percent length hull vessels crew officers enlisted men carried number smaller boats including picket boat barge cutter german_navy regarded ships good sea boats slight weather helm gentle motion swell cruisers slow going turn steering controlled single large rudder lost speed slightly head sea lost percent hard turns transverse metacentric height propulsion systems consisted steam turbines types ship turbines built different manufacturers evaluate design configuration engines produced drove meter propellers equipped pairs turbines powered bladed screws diameter pair marine type turbines wide propellers initially turbines screws end war center shaft removed propulsion systems rated shaft horsepower reached significantly higher speeds service ships turbines powered sixteen coal fired marine type water tube boilers later altered use fuel oil sprayed coal increase burn rate divided boiler rooms centerline gave ships speed knots mph speed trials ships exceeded half knot ships carried tonnes long tons coal additional tonnes long tons oil gave range approximately nautical miles knots mph knots mph range fell considerably nmi turbo generators combined output kilowatts volts generators armament armor class ships armed guns single pedestal mounts placed forward forecastle located amidships aft guns maximum elevation degrees allowed engage targets supplied rounds ammunition shells gun equipped pair torpedo tubes torpedoes submerged hull broadside ships carry mines course careers ships armament upgraded exception guns replaced guns range following year remaining guns replaced guns rearmed seven guns guns deck mounted torpedo tubes modified similarly submerged torpedo tubes removed refit ships protected waterline armored belt thick amidships thick bow stern deck covered thick armor plate forward thick amidships thick aft sloped armor thick connected deck belt armor conning tower thick sides thick roof rangefinder added thick steel plating main battery guns gun shields construction ordered contract laid shipyard bremen launched fitting work commenced commissioned high_seas_fleet august ordered contract laid vulcan shipyard stettin launching ceremony christened mayor ship namesake launching fitting work commenced lasted commissioned high_seas_fleet august ordered contract laid shipyard wilhelmshaven launched august fitting work commenced commissioned high_seas_fleet october ordered contract laid shipyard launched november fitting work commenced commissioned high_seas_fleet december service history torpedo test ship commissioning outbreak world war august brought active service deployed baltic baltic fired shots war russians august shelled port participated series russian positions late august 26th participated sweep entrance steaming coast ran aground island freed pair russian cruisers appeared seized ship crew members killed brief engagement recovered intact german code books passed british ability german wireless signals provided british ability ambush german units occasions war including russians partially scrapped remained grounded completely destroying wreck following commissioning battlecruiser assigned response balkan wars british warships mediterranean reach constantinople transferred ottoman_empire august ottomans join world war ships renamed respectively saw extensive service ottoman fleet primarily black_sea ships ottoman vessels raided russian ports october prompting russian declaration war active laying minefields russian coast bombarding russian ports installations shortage ottoman merchant ships transporting troops supplies black_sea ports supplying ottoman troops fighting lightly damaged times russian ships damage inflicted kept service half year ship mined sunk january sultan mined badly damaged majority crew killed sinking spent year service overseas assigned reconnaissance forces high_seas_fleet saw significant action battle bight august participated raid december ship transferred baltic operate saw action october including screening battleships returned north_sea planned final operation weeks war involved forced cancellation operation ship served briefly new transferred italy war prize formally transferred july renamed taranto service rebuilt colonial duties additional anti aircraft guns installed saw significant action world war armistice ended italy participation war scuttled captured raised germans sunk allied bombers october germans raised ship sunk second time bombers september taranto finally broken scrap assigned reconnaissance forces high_seas_fleet majority career saw significant action early years world war including operations british coast battles bight bank august november respectively damaged action ship dockyard hands battle jutland missed engagement end war served briefly surrendered allies ceded french_navy served formally stricken broken scrap years later
Magdeburg-class cruiser