hms hms lead ship class ironclads built royal_navy late 1860s designed second class ironclads suitable use foreign stations ship spent bulk career decommissioned use training ship ship towed scapa_flow beginning world war receiving ship war ended sold scrap design description class ironclads laid central battery ironclads armament concentrated amidships british ironclads deck battery upper deck guns sides hull ships fitted short shaped ram crew numbered officers men hms feet long perpendiculars beam feet draught feet ship british ironclad completed designed displacement meant heavy required long tons cement ballast raise metacentric height sisters gun platforms large british ironclads era given experimental hull attempt reduce proved unsuccessful propulsion cylinder horizontal return connecting rod steam engines driving single inch propeller bronze bladed propellers arranged usual radial cross shape pairs elongated boss attempt reduce drag ship sails later replaced bladed propellers rectangular boilers provided steam engine working pressure psi kpa cm2 engines produced total indicated horsepower sea trials october reached maximum speed knots mph ship carried long tons coal steam nautical miles knots mph class ironclads initially ship rigged sail area square feet loss storm ships modified barque rig reduced sail area square feet slow sail knots mph partly drag twin screws shallow draft flat meant close hauled ships vanguard invincible balanced described sail armament hms armed inch pounder rifled muzzle loading guns inch guns mounted main deck guns fitted upper deck gun ports corner upper battery worked unlike like guns main deck pounder guns mounted upper deck outside battery chase guns ship pounder armstrong guns use guns shell calibre inch gun weighed pounds gun weighed long tons muzzle velocity credited ability penetrate nominal inches wrought iron armour muzzle calibre pounder gun weighed long tons fired inch pound shell muzzle velocity received inch torpedo launchers carried main deck outside armoured battery ship refitted received inch breech loading guns quick firing pounder hotchkiss pounder hotchkiss guns defence torpedo boats armour complete waterline belt wrought iron inches thick amidships tapered inches thick bow stern protected main deck reached feet waterline load feet guns protected section inch armour feet long inch transverse bulkhead forward inch bulkhead rear armour backed inches teak total weight armour long tons service hms ordered april glasgow laid june launched february gale winds caught rear ship halfway twisted plates frames damaged ship completed september commissioned following month cost build completion guard ship reserve ireland modern transferred following year hull remained ship ordered far_east year serve flagship flag vice admiral sir despite presence escorting grounded twice suez_canal relieved sister singapore later collided merchant ship typhoon relieved turn returned previous post hull relieving served began lengthy refit included new boilers addition deck ship refit complete march relieved flagship china station later year remained returned chatham refitted rearmed replaced masts rigging simple pole masts fitted fighting tops completion refit returned hull time ship decommissioned relegated 4th class reserve engines removed converted depot ship acted depot ship destroyers paid april renamed french translation welsh town ship boy training establishment portsmouth ship towed scapa_flow start world war receiving ship renamed renamed victorious renaming cancelled towed march remained march sold ward scrap
HMS Audacious (1869)