italian ironclad ironclad battleship built 1880s italian regia marina royal_navy lead ship class included ships named medieval admiral armed main battery inch guns protected inch thick belt armor capable speed knots mph ship construction period lengthy beginning august completing february quickly rendered new pre dreadnought battleships laid result career limited spent career alternating took training exercises year rest fleet ship stricken naval register converted floating oil tank capacity sunk bombs world war wreck eventually raised scrapped design meters long overall beam average draft displaced metric tons long tons short tons normally long tons short tons load propulsion system consisted pair compound steam engines driving single screw propeller steam supplied coal fired cylindrical fire tube boilers engines produced speed knots mph indicated horsepower steam nautical miles speed knots mph crew officers men armed main battery guns mounted pairs central barbette carried secondary battery guns bow stern guns customary capital ships period carried torpedo tubes submerged hull protected belt armor thick armored deck thick conning tower armored steel plate barbette steel armor service history laid shipyard august launched august completed half years construction finally finished february rapid pace naval technological development late 19th century lengthy construction period meant obsolete design time entered service year entered service british began building class pre dreadnought battleships marked significant step forward capital ship design addition technological progress particularly armor production techniques harvey armor krupp armor rapidly rendered older vessels like obsolete ship served 1st fleet maneuvers ironclad served divisional flagship torpedo cruisers torpedo boats maneuvers lasted august september ships simulated french attack italian fleet ironclad torpedo cruiser assigned 2nd fleet time ships based joined ironclads cruisers visit united_kingdom july later year squadron stopped germany celebration held mark opening periodic fleet maneuvers assigned included ironclads protected cruiser following year consisted cruisers took naval review included french british squadron year sisters served kept service months year remainder spent reduced crews squadron included ironclads sisters significantly modified received large number small guns defense torpedo boats included pair guns caliber guns guns revolver cannon machine guns sisters joined reserve squadron class ironclads cruisers sixteen torpedo boats squadron entered active service months year training maneuvers rest year spent reduced crews annual training maneuvers october severe storm swept man overboard drowning gunnery competition held maneuvers gunners came place decided sister stricken naval register november ship converted floating oil depot renamed stationed sunk shallow water air raid world war wreck scrapped end war
Italian ironclad Ruggiero di Lauria