armoured frigate built royal_navy 1860s completion assigned channel_fleet ship paid refit armed recommissioned assigned guard ship refitted armed guard ship years later rejoined channel_fleet going mediterranean ship returned channel_fleet served paid recommissioned depot ship malta succession different names transferred chatham renamed multiple times sold scrap changes rigging armament british warship design description member naval programme designed improved version earlier warrior class armoured frigates complete waterline armour belt ship feet inches long perpendiculars beam feet inches draft feet inches displaced long tons hull subdivided watertight transverse bulkheads compartments double designed high centre gravity stiff ship rolled degrees storm ripped main masts split great length crew officers enlisted men propulsion ship single cylinder trunk steam engine sons driving single foot propeller rectangular boilers provided steam engine working pressure psi kpa cm2 sea trials march maximum speed knots mph indicated horsepower ship carried long tons coal steam nautical miles knots mph built ship rigged masts called bow fore main fore aft british warship masts carried total square feet sail area excluding greatest area spread british warship performance unsatisfactory wind beam removed june attempt correct problem weather helm replaced foremast moved forward feet july reduced sail area square feet barque funnels retractable reduce wind resistance sail armament intended armament changed times finally mounted received rifled pounder breech loading guns mounted upper deck served chase guns bow stern muzzle loading pounder somerset cannon main deck breech loading guns new design armstrong hoped firing tests carried september armoured target proved pounder inferior pounder gun armour penetration repeated incidents breech explosions battles caused navy withdraw gun service shortly pounder added main deck rearmed refit detailed data somerset cannon available inch solid shot pounder gun weighed approximately pounds gun weighed pounds gun muzzle velocity range yards elevation seven inch shell pounder armstrong breech weighed pounds muzzle velocity elevation maximum range yards pounder gun weighed pounds guns fire solid shot explosive shells rearmed refit seven inch inch rifled muzzle loading guns inch guns seven inch guns mounted main deck remaining seven inch guns replaced pounders upper deck shell calibre inch gun weighed pounds gun weighed long tons muzzle velocity credited ability penetrate inches wrought iron armour muzzle calibre seven inch gun weighed long tons fired pounds shell credited ability penetrate inch armour ship rearmed inch rifled muzzle replacing inch seven inch guns fourteen inch guns mounted main deck replaced seven inch chase guns remaining seven inch guns stayed position quarterdeck inch guns considerably bigger predecessors gun ports widened accommodate shell calibre inch gun weighed pounds gun weighed long tons muzzle velocity rated ability penetrate inches wrought iron armour muzzle armour ship wrought iron waterline armour belt ran length ship amidships inches thick length feet tapered thickness inches ends ship armour extended feet inches waterline main deck protected armour inch thick feet long protect fire upper closed inch transverse bulkheads end construction service named greek mythological hero ordered april iron warship built royal dockyard construction delayed need acquire necessary machinery handle iron train workers use ship laid august drydock floated launched december completed november cost served channel_fleet refit major armament portland armed completion ship liverpool captain assumed command ships admiral took dardanelles time russian war scare june august russo turkish war accidentally collided flagship mediterranean_fleet october lightly damaged propeller ship rejoined channel_fleet paid lay derelict april sent malta depot ship release new armoured cruiser renamed renamed march remained malta role malta assumed stone frigate fort brought home chatham year served depot ship successive names june june ship sold scrap january
HMS Achilles (1863)