swedish pronunciation type warship built swedish archipelago fleet late 18th early 19th centuries developed warfare baltic coasts finland russian navy designed prolific naval architect use area shallow waters groups islands extend stockholm way innovative new design single line guns ship centerline dreadnought battleships early 20th century design proved impractical time built background early 18th century establishment russian naval power baltic challenged interests sweden major powers baltic swedish empire time included territory modern finland baltic states dominion held baltic sea routes established new capital naval base saint_petersburg great northern war sweden lost baltic state territories suffered russian raiding finland chain islands stretched way capital stockholm began building shallow draft vessels beginning smaller versions traditional mediterranean warships akin complemented gun disastrous war russia minor involvement prussia seven years war showed need expansion development specialized vessels traditional effective troop transports amphibious operations severely especially relation large crews man crew rowers typically armed pounder cannon pounders bow lacked adequate shelter rower soldiers great numbers succumbed illness war swedish military invested heavily archipelago fleet separate branch armed forces belonged army officially designated ways highly independent organization attracted social cultural elite enjoyed protection coup empowered absolute monarch new ships designed naval architect bolster hitting power new swedish maritime forces provide better naval defense improve fire support capabilities amphibious operations result new vessels combined powered superior comfortable living conditions sailing ships named finnish regions form referred archipelago frigates swedish english historical literature smaller described archipelago originally design built masts mainmast foremast originally rigged sails later provided square sail rig similar bark sails low hull small quarterdeck structure arrangement guns unique time main armament consisted single line pound guns centerline ship pounders bow facing forwards centerline guns carriages rotated degrees aimed ship similar main guns dreadnought battleships 20th century long draft later carried mast longer wider long wide draft built additional pounders centerline bow facing forwards housed superstructure gun ports rowing seats left arrangement proved successful reports problems lingering gunpowder smoke poor slow earning poor reputation built pounder centerline armament open elements heavy pounders bow pounder chase guns stern rowing benches room men bench centerline battery swing forwards allow guns pivot additional carried pairs rowers sat weather deck main armament ports placed rectangular improved leverage positioned centerline battery row fire action rely sails propulsion concept hybrid frigates propulsion capabilities new small built english tudor navy early century royal_navy successor later equipped equivalent sixth rates ports early baltic variations mediterranean introduced russian navy duties 18th century suggested possible inspirations new designs service built swedish navy russian ship builders copied swedish designs particularly time war believed historians type named simply secret vessel russian historians question conclusion number guns total suggest considerably larger larger archipelago frigates swedish served finnish archipelago squadrons war supporting amphibious operations raiding opposing russian archipelago fleet protecting left flank swedish army operations finnish mainland fought second battles battle largest naval battles fought disastrous defeat russians sweden greatest naval victories swedish vessels lost like specialized archipelago vessels proved limited advantages superior firepower sailing qualities poor compared slow unconventional artillery layout deemed weak radical second battle showed smaller far efficient operations entirely replaced archipelago frigates finnish war sweden finally lost finnish possessions influence suggests radical new design rotating gun mounts somewhat disappointment swedish service influenced countries russian floating batteries equipped similar mounts designs presented built great_britain mounts navy smaller craft proved risky vessels small displacement especially guns fired genuine breakthrough true centerline armament come advent armored late 19th century carried finnish form 20th century ships finnish navy ships built swedish archipelago fleet listed table basic information actually known
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