class ironclad class pair armored frigates built french_navy 1870s ships served commander deputy commander careers sister ships took french conquest tunisia notably landing troops relegated second line roles condemned ships finally sold scrap design description class ships designed improved versions ironclad ships authorized reverted single propeller shaft improve sailing qualities chance propellers fallen rigging central battery ironclads armament concentrated amidships like ironclads era equipped shaped ram ships crew numbered officers men metacentric height low little meters ships measured meters overall beam meters maximum drafts meters displaced metric tons long tons exact reason prolonged construction time known believed reduction french_navy budget franco prussian war date work practices french likely causes propulsion class single wolf cylinder horizontal return connecting rod compound steam engine drove propeller engine powered oval boilers designed capacity metric horsepower kilowatts ihp sea trials engines produced metric horsepower ships reached speeds knots mph ships carried maximum metric tons long tons coal allowed steam approximately nautical miles speed knots mph ship rigged masts sail area square meters armament millimeter guns mounted barbettes upper deck gun forward corners battery additional guns battery deck barbettes upper deck cut away improve ability barbette guns bear fore aft millimeter gun mounted forecastle chase gun ship secondary armament consisted millimeter guns forward battery aft guns replaced millimeter gun stern ship mounted water millimeter torpedo tubes guns fire solid shot explosive shells caliber millimeter modèle gun fired armor piercing kilogram shell gun weighed metric tons long tons gun fired shell muzzle velocity credited ability penetrate millimeters wrought iron armor muzzle armor piercing shell caliber gun weighed kilograms gun weighed metric tons long tons muzzle velocity penetrate millimeters wrought iron armor muzzle millimeter gun long weighed metric tons long tons fired kilogram explosive shell muzzle velocity point ship received fourteen eighteen millimeter hotchkiss barrel revolving guns fired shell weighing muzzle velocity range meters rate fire rounds minute armor class ships complete wrought iron waterline belt millimeters thick amidships tapered millimeters stern backed millimeters wood sides battery armored millimeters wrought iron backed millimeters wood ends battery closed transverse armored bulkheads millimeters thick backed millimeters wood barbettes deck millimeters thick ships service served flagship placed reserve flagship second command squadron sisters bombarded port july french occupied tunisia command vice admiral recommissioned disarmed paid disarmed placed reserve recommissioned resumed role flagship placed reserve ship served gunnery training ship condemned renamed var sold scrap years later condemned sold scrap
Colbert-class ironclad