second defence class ironclads built royal_navy 1860s capital ship royal_navy fitted ram given nickname old resistance initially assigned channel_fleet commissioning transferred mediterranean_fleet ironclad assigned fleet rearmed recommissioned ship reassigned channel_fleet duties resistance decommissioned gunnery torpedo trials beginning ship sold scrap route breaker yard salvaged later scrapped design description defence class ironclads designed smaller cheaper versions warrior class armoured frigates meant fit powerful engines warrior class ships knots mph slower far fewer guns naval architect sir future considered terms combat defence class ship worth quarter warrior feet long perpendiculars feet inches long overall beam feet inches draft feet inches ship displaced long tons ram shape capital ship royal_navy fitted hull subdivided watertight transverse bulkheads compartments double underneath engine boiler rooms resistance feet inches shorter overall displaced long tons warrior class ironclads propulsion defence class ships single cylinder trunk steam engine sons driving single foot propeller rectangular boilers provided steam engine working pressure psi kpa cm2 engine produced total indicated horsepower sea trials august resistance maximum speed knots mph ship carried long tons coal steam nautical miles knots mph ironclad ship rigged sail area square feet lower masts iron withstand shock resistance knots mph sail funnel semi retractable reduce wind resistance sail ship propeller hoisted stern ship reduce drag sail rigged barque september april returning original ship rig armament armament defence class ships intended muzzle loading pounder guns main deck fore aft chase guns upper deck plus rifled breech loading pounder guns guns modified construction rifled pounder breech loading guns pounders pounder guns weapons mounted british ironclad breech loading guns new designs armstrong hoped pounder guns installed main deck amidships chase guns pounder guns mounted main deck firing tests carried september armoured target proved pounder inferior pounder gun armour penetration repeated incidents breech explosions battles caused navy begin withdraw gun service shortly inch solid shot pounder gun weighed approximately pounds gun weighed pounds gun muzzle velocity range yards elevation inch shell pounder armstrong breech weighed pounds muzzle velocity elevation maximum range yards pounder gun weighed pounds pounder weighed pounds guns fire solid shot explosive shells resistance rearmed refit fourteen inch inch rifled muzzle loading guns new guns heavier fewer carried 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 defence class ships wrought iron armour belt inches thick covered feet amidships armour extended upper deck level feet waterline inch transverse bulkheads protected guns main deck armour backed inches teak ends ship left entirely unprotected meant steering gear vulnerable sub divided watertight compartments minimize flooding construction service ordered december laid week later shipyard london launched april commissioned july completed october cost completion served channel_fleet transferred mediterranean_fleet british ironclad assigned fleet ship paid portsmouth refit armament resistance recommissioned served returned channel_fleet ship resumed post paid devonport resistance began target testing armour effects torpedoes gunfire sold scrap november whilst tow breakers march later raised scrapped liverpool
HMS Resistance (1861)