class coastal defense ship class pair coastal defense ships built german kaiserliche_marine late 19th century class comprised ships named norse god named norse god ships similar preceding class coastal defense ships considered class ships like preceding class ships obsolete time world war started regardless primary role point withdrawn active service ships performed variety secondary duties end war june ships struck naval register sold hamburg shipping company ships rebuilt served capacity scrapped accidentally grounded near lighthouse island proved total loss design general characteristics class ships meters long waterline long overall beam draft forward aft like preceding class substantially rebuilt respectively hulls lengthened somewhat waterline overall beam slightly increased forward draft decreased slightly aft draft increased slightly ships designed displacement metric tons long tons short tons maximum weight long tons short tons reconstruction displacement increased long tons short tons designed maximum long tons short tons long tons short tons transverse longitudinal steel frame construction class ships ships watertight compartments double length hull ninth watertight compartment added ships lengthened ships described good sea boats gentle motion responsive commands helm ships lost significant speed heavy seas ships crew officers enlisted men additional officers men serving flagship refit increased crew requirements additional sailors normally extra flagship crew increased officers men ships carried number smaller boats including picket boat propulsion equipped propulsion system sets cylinder triple expansion engines engine room engines drove pair bladed screws diameter marine type boilers engines powered boilers ships similar maximum speeds knots mph somewhat slower design speed knots mph slightly faster knots mph engines rated indicated horsepower trials managed ihp reached ihp electric generators provided kilowatts volts equipped generators provided increased number electrical generators nicknamed anna electric anna ships stored long tons short tons coal enabled range nautical miles cruising speed knots mph refit fuel increased long tons short tons coal increased sailing range nmi knots capacity store long tons short tons fuel oil added armament ships primary armament consisted centimeter guns arrangement unusual large guns guns mounted pair turrets forward mounted single turret aft guns train degrees centerline degrees elevate degrees enabled maximum range guns ammunition storage rounds shells gun guns rate fire shells minute design armor piercing shell weighed ships secondary battery guns rounds ammunition gun fired muzzle velocity guns sustain rate fire approximately rounds minute ships equipped torpedo tubes placed water swivel mounts submerged bow torpedo tubes supplied total torpedoes armor ships similar krupp compound steel teak armor protection scheme preceding class upper section main armored belt millimeters thick central portion ships ships located teak gave total thickness bow stern unprotected lower section followed similar pattern steel armor distribution thickness central portion belt decreased main armored deck thick important areas ships covered thicker armor conning tower roof thick sides barbettes main battery secondary guns ranged thickness backed teak service history saw limited service intended roles revolutions capital ship building decade 20th century rapidly ships obsolete second naval law passed march reduced service life capital ships years years meant class ships number vessels replaced soon possible replaced kaiser class battleships albert respectively new battleships intended offensive operations class retained coast defense duties ships served capacity start world war withdrawn active service half sisters class pulled combat duties served tender wilhelmshaven struck naval register december sold shipping company based hamburg ship rebuilt freighter served capacity scrapped stationed wilhelmshaven withdrawn coast defense duties served barracks ship stricken navy list june sold use freighter december ship grounded lighthouse swedish island situation proved bow display naval memorial
Odin-class coastal defense ship