russian monitor admiral russian monitor admiral ship class monitors built imperial_russian_navy late 1860s ship assigned baltic fleet completion remained entire career aside accidental collision service uneventful sister ships reclassified coast defense ironclads training ships admiral stricken navy list coal storage barge ultimate fate unknown design description admiral class monitors significantly larger predecessors class feet long waterline beam feet maximum draft feet ships designed displace long tons turned overweight actually displaced long tons crew consisted officers crewmen admiral class single cylinder horizontal direct acting steam engine drove single propeller steam provided rectangular fire tube boilers engine designed produce total indicated horsepower gave ship speed knots mph ihp ran initial sea trials years later admiral ran time reaching knots mph ship carried long tons coal gave range nautical miles speed fitted masts light fore aft rig steady aid maneuvering monitors ultimately designed armed inch rifled guns pair turret guns replaced single inch gun russo turkish war inch mortar fitted attack thin deck armor enemy ships accuracy poor later removed probably early 1880s admiral retained original guns powerful inch gun installed date light guns use torpedo boats added admiral class ships russo turkish war pair pounder inch guns mounted roofs gun turret variety small guns known fitted details lacking ships carry mines hull admiral class monitors completely covered wrought iron armor inches thick amidships inches aft inches forward main belt turrets inches armor gun ports inches conning tower inches thick deck armor layers total thickness inch construction service admiral named admiral ordered june saint_petersburg formal keel laying november construction delayed changes design late deliveries components launched august transferred fitting shallow waters saint_petersburg prevented deep draft ships completed added delays dockyard lacked equipment efficiently fit ships officially entered service cost ship assigned baltic fleet completion fully equipped trials continued admiral accidentally rammed monitor admiral harbor slightly damaged steam powered steering gear installed ship reclassified coast defense ironclad february time role russian war plans defend anticipated german amphibious landing admiral assigned training ship transferred port march disposal ship stricken august admiral stationary coal storage barge subsequent fate unknown source suggests sister admiral admiral class monitors floating piers railroad bridge construction saint railroad scrapped 1920s
Russian monitor Admiral Spiridov