class ironclad class ironclads group wooden armored built french_navy 1870s meant heavier armed faster version alma class ironclad ships begun franco prussian war construction ships delayed years navy took advantage extended construction time ships upgrade armament bombarded french occupation tunisia half sister participated number battles sino french war sister career ships decommissioned 1890s design description class ironclads designed faster heavily armed versions alma class ironclads central battery layout predecessors battery lengthened meters provide room work larger millimeter guns propeller layout adopted unsuccessful attempt reduce ship draft later ships designed reduced number screws improve sailing qualities added millimeter bow forecastle increased caliber secondary armament measured meters perpendiculars beam meters mean draft meters displaced metric tons long tons ship metacentric height meters meters perpendiculars beam meters ships mean draft meters displaced metric tons long tons crew ships numbered officers men propulsion wolf vertical compound steam engines driving single meter propeller engines powered oval boilers sea trials engines produced total indicated horsepower ship reached knots mph carried metric tons long tons coal allowed ship steam nautical miles speed knots mph ship rigged masts sail area square meters single vertical compound steam engine driving single propeller boilers trials engines produced indicated horsepower ships reached knots mph carried metric tons long tons coal allowed ships steam nautical miles speed knots mph ship rigged masts sail area square meters armament ships mounted millimeter guns central battery battery deck millimeter guns mounted barbettes upper deck sides ship positioned funnel later ships theirs forward funnel secondary armament millimeter guns mounted upper deck replaced millimeter guns armor piercing shell caliber gun weighed pounds gun weighed long tons muzzle velocity credited ability penetrate nominal inches wrought iron armour muzzle guns fire solid shot explosive shells ship received millimeter hotchkiss barrel revolving guns fired shell weighing muzzle velocity range meters rate fire rounds minute received towed harvey torpedoes stocks armament reinforced additional millimeter chase gun secondary armament increased millimeter guns received hotchkiss guns harvey torpedoes completion caliber millimeter gun fired armor piercing pound shell gun weighed long tons gun fired shell muzzle velocity credited ability penetrate nominal inches wrought iron armour muzzle millimeter gun long weighed long tons fired pound explosive shell muzzle velocity armor class ships complete millimeter wrought iron waterline belt approximately meters high laid millimeters wood sides battery armored millimeters wrought iron backed millimeters wood ends battery closed bulkheads thickness barbette armor millimeters thick portions sides protected thin iron plates construction service initial commissions pacific caribbean assigned french division levant bombarded port july french occupation tunisia early flagship assigned command vice admiral participated actions sino french war ships fought destroying small chinese fleet coastal defenses defending supplied landing parties october forced retreat chinese troops suffering casualties killed wounded ships known participation war helped capture march placed reserve finished sea trials commissions flagship pacific china squadrons relieved flagship april flagship arrived france bad shape soon placed reserve summer maneuvers coast july ship initially condemned reversed convoy torpedo boats plan later cancelled paid outer harbor brest finally condemned following year
La Galissonnière-class ironclad