class battleship class ship class pre dreadnought battleships built imperial_japanese_navy early 1900s japan lacked industrial capacity build warships designed built battleships built japan overseas shipyards equipped ram ships delivered end russo japanese war saw action world war present japan joined intervention disarmed scrapped accordance terms design description class ships ordered fleet extension program earlier battleships japan lacked technology capability construct battleships turned united_kingdom placing orders armstrong vickers january class battleships class built japan design class modified improved version king edward vii class battleships royal_navy vickers built slightly smaller sister ship overall length feet beam feet normal draught feet displaced long tons normal load crew consisted officers enlisted men propulsion ships powered pair cylinder vertical triple expansion steam engines driving propeller steam generated boilers mixture coal fuel oil engines rated indicated horsepower designed reach speed knots mph proved faster sea trials reached speed knots mph ihp knots mph ihp ships carried maximum tonnes long tons coal long tons fuel oil allowed steam nautical miles speed knots mph armament class equipped calibre ordnance company inch type guns mounted twin gun barbettes fore aft superstructure armoured protect guns usually called gun turrets barbettes positioned fore aft superstructure powerful calibre guns earlier japanese battleships fired pound projectiles muzzle velocity king edward vii class introduced intermediate calibre inch guns primary inch guns secondary inch guns japanese upgraded calibre inch type guns single barbettes mounted corners superstructure guns muzzle velocity firing pound shells japanese added additional pair quick firing caliber inch type guns making total guns compared king edward guns mounted hull remaining placed superstructure inch gun turrets pound shells muzzle velocity fired type guns protection torpedo boat attacks provided pounder cwt guns millimetre pounder hotchkiss guns pounders fired inch pound projectiles muzzle velocity ships equipped submerged inch torpedo tubes broadside stern armor waterline main belt class vessels consisted krupp cemented armour feet inches high feet inches waterline normal load maximum thickness inches amidships inches inches thick ends ship inch foot armour ran main gun barbettes protected secondary guns barbettes main guns inches thick intermediate turrets protected inches armour armour main gun barbette maximum thickness inches intermediate barbettes inches thick sides superstructure intermediate barbettes inches armour flat portion deck armour inches thick inches thick amidships sloped armour belt significantly improved ships protection shell penetrated vertical armour penetrate sloping deck reach machinery compartments magazines outside central armoured citadel sloped deck thickness inches conning tower protected inches armour ships service whilst conducting gunnery training september brown powder starboard rear inch gun mount ignited came contact burning previous shot fire killed seven officers enlisted men wounding officers enlisted men world war began assigned 1st battleship squadron assigned 2nd battleship squadron refit completed squadron flagship began refit lasted late assigned 5th battleship squadron completion joined sister 5th battleship squadron flagship ships covered landing japanese troops siberia august year japan decided intervene russian civil war escorted carried tour europe met king ships disarmed later scrapped comply terms
Katori-class battleship