 The Swedes were building three additional hemmemas at the shipyards within the fortress of Sveaborg when it was surrendered to the Russians in 1808 , and all three were incorporated in the Russian Navy . Shortly afterward , the Russian Navy built its own 32 @-@ gun versions , with the final vessel launched as late as 1823 . Two more were built in Sweden in 1809 , Birger Jarl and Erik Segersäll . Birger Jarl sank in an accident in 1813 and Erik Segersäll was planned for conversion as a <unk> steam battery for coastal defense , though the idea was eventually abandoned and the ship scrapped in 1826 . 
