second ship class armoured frigates ordered royal_navy builders went bankrupt shortly laid significantly delayed completion launched waited years receive guns supply issues commissioned ship assigned reserve guard ship remained decommissioned training school balloons world war ship converted floating oil tank served role sold scrap design description class ironclads like immediate predecessors defence class designed smaller cheaper versions warrior class armoured frigates modified versions defence class ships additional armour powerful engines feet inches long perpendiculars beam feet inches draft feet inches ship long tons overweight displaced long tons hull subdivided watertight transverse bulkheads compartments double underneath engine boiler rooms ships class designed low centre gravity metacentric height feet inches rolled badly propulsion cylinder horizontal return connecting rod steam engine driving single inch propeller boilers provided steam engine working pressure psi kpa cm2 engine produced total indicated horsepower sea trials september maximum speed knots mph ship carried long tons coal steam nautical miles speed ship barque rigged sail area square feet funnel semi retractable reduce wind resistance sail designed allow ship propeller hoisted stern ship reduce drag sail gear fitted armament armament class ships intended muzzle loading pounder guns main deck fore aft chase guns upper deck modified construction rifled pounder breech loading guns pounders 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 extended construction time received breech armed sixteen inch inch rifled muzzle loading guns inch guns mounted quarterdeck fought inch guns fitted upper deck remaining inch guns carried main deck shell calibre inch gun weighed pounds gun weighed long tons muzzle velocity credited ability penetrate nominal inches wrought iron armour muzzle calibre inch gun weighed long tons fired pounds shell credited nominal ability penetrate inch armour armour class ships wrought iron waterline armour belt inches thick covered feet amidships left bow stern unprotected protect fire belt closed inch transverse bulkheads end lower deck level armour extended feet inches waterline main deck protected armour ran length ship amidships inch thick length feet tapered thickness inches ends ship armour backed inches teak lack armour stern meant steering gear vulnerable service history laid february company went bankrupt november ultimately bought thames delayed ship launching october august towed portsmouth fitting ship inspected french officers port visit ironclads french_navy production new muzzle loaded rifles slow ships commission priority commissioned september nearly years launched commissioned reserve guard ship remained experience unique british ironclads break new boilers installed june august ship formed time russian war scare russo turkish war sailed dardanelles command admiral july accidentally rammed ironclad damaging hull tearing boats fittings ship paid saw line service lying thirteen years partially dismantled state devonport assigned hms training establishment briefly losing renamed ship converted balloon world war changed offered sale converted floating oil tank towed remained sold year belgian ship breakers towed december
HMS Valiant (1863)