▁was ▁, ▁ordered ▁on ▁ 7 ▁January ▁ 1 8 1 3 . ▁These ▁five ▁new ▁ships ▁were ▁of ▁a ▁slightly ▁modified ▁design , ▁having ▁ports ▁for ▁ 2 8 ▁instead ▁of ▁ 2 6 ▁× ▁ 2 4 - p ound ers ▁and ▁were ▁built ▁of ▁soft wood , ▁to ▁speed ▁up ▁the ▁construction . ▁The ▁ships ▁were ▁launched ▁from ▁June ▁ 1 8 1 3 ▁to ▁February ▁ 1 8 1 4 . ▁ ▁Princi pal ▁characteristics ▁There ▁were ▁small ▁variations ▁in ▁the ▁dimensions ▁of ▁the ▁different ▁ships : ▁ ▁L ength ▁on ▁g unde ck : ▁▁ 1 5 9 ▁feet ▁ 2   in ches ▁ ▁Be am : ▁ 4 1 ▁feet ▁ 1 1   in ches ▁ ▁T onn age : ▁ 1 2 4 6 ▁to ▁ 1 2 7 7 ▁tons ▁ ▁Est ab lished ▁arm ament : ▁ 2 8 ▁( End ym ion ▁ 2 6 ) ▁× ▁ 2 4 - p ound ers , ▁ 2 0 ▁× ▁ 3 2 - p ound er ▁car ron ades , ▁ 2 ▁× ▁ 9 - p ound er ▁ch ase ▁guns ▁ ▁Com plement : ▁ 3 4 0 ▁men ▁ ▁R ated : ▁ 4 0 - gun ▁fifth - r ates , ▁r er ated ▁as ▁ 5 0 - gun ▁fourth - r ates ▁in ▁ 1 8 1 7 . ▁ ▁List ▁of ▁ships ▁ ▁Category : F rig ate ▁classes ▁Category : F if th