sms german battleship served world war sms sms unique german ironclad warship built laid brothers shipyard town london launched commissioned september ship fourth ironclad ordered entered service built armored frigate armed main battery sixteen guns smaller guns added later career saw limited duty franco prussian war engine troubles aboard ship armored frigates squadron prevented operations french blockade sorties participated conducted result combat ship served subsequent converted training ship boiler room personnel ship ultimately broken scrap design general characteristics propulsion meters long waterline long overall beam draft forward aft ship designed displace metric tons long tons short tons normal loading long tons short tons combat load ship hull constructed transverse longitudinal iron frames contained watertight compartments double ran percent length vessel ship excellent sea boat ship responsive commands helm large turning radius ship crew numbered officers enlisted men carried number smaller boats including large tender launches ship propulsion system built sons england horizontal cylinder single expansion steam engine powered ship drove bladed screw diameter trunk boilers divided boiler rooms boilers supplied steam engine standard kpa propulsion system rated indicated horsepower speed knots mph trials managed ihp knots mph ship carried long tons short tons coal enabled maximum range nautical miles cruising speed knots mph range nmi knots barque rig surface area square meters supplemented steam engine steering controlled single rudder armament armor built equipped thirty rifled pounder cannon delivery germany guns replaced pair centimeter guns fourteen guns gun degrees elevate degrees provided range shorter guns wider range elevation degrees shorter barrel imposed lower muzzle velocity reduced range gun types gun fired shell total supply numbered rounds ammunition fourteen guns placed central battery amidships seven broadside guns placed end ship later career revolver cannon torpedo tubes added tubes placed bow ship sides stern port placed water supplied torpedoes armor consisted wrought iron backed heavy teak iron component waterline armored belt ranged thickness millimeters stern amidships bow entire belt backed teak central battery protected sloped iron plating timber battery roof protected millimeter thick iron plating service history laid brothers shipyard london british naval architect designed ship resulted vessel similar contemporary french built prussian ironclad ship launched commissioned months later september voyage ship lost main mast storm ship immediately went dock arrival prussia mast repaired ship armament converted initial arrangement outbreak franco prussian war greatly numerically inferior assumed defensive posture naval blockade imposed french_navy broadside ironclads small ironclad ram steaming english channel french declared war left plymouth july intention steaming azores 13th port learned rising tension france prussia ships returned wilhelmshaven immediately arriving july france declared war prussia days later july concentrated north_sea port wilhelmshaven subsequently joined turret ship stationed kiel duration conflict commanded captain despite great french naval superiority french conducted insufficient pre war planning assault prussian naval installations concluded possible danish assistance forthcoming ships command vice admiral offensive sortie early august encountered french warships broadside ironclads suffered chronic engine trouble left conduct operations stood island majority conflict stationed mouth river september broadside ironclads ready action joined major operation north_sea encounter french opposition french_navy time returned france engine problems plagued ship career engines broke fleet maneuvers armored frigates broke forced cancellation maneuvers anti torpedo nets installed removed ship served active duty fleet august stricken naval register reconstructed kiel year propulsion system overhauled boilers removed boilers installed place barque rig cut square meters emerging reconstruction served training ship engine room personnel based kiel ship ultimately sold german ship breaking firm october marks broken scrap later year
SMS Kronprinz (1867)