7 3 0 ) ▁– ▁w reck ed ▁ 1 7 4 4 ▁ ▁New castle ▁ 5 0 ▁( 1 7 3 2 ) ▁– ▁broken ▁up ▁ 1 7 4 6 ▁ ▁Fif th ▁rates ▁of ▁ 4 0 – 4 4 ▁guns ▁These ▁small ▁two - de cker ▁war ships ▁were ▁not ▁ships ▁of ▁the ▁line ▁as ▁they ▁were ▁not ▁powerful ▁enough ▁to ▁stand ▁in ▁the ▁line ▁of ▁battle . ▁They ▁were ▁inform ally ▁described ▁as ▁fr ig ates ▁and ▁are ▁included ▁in ▁the ▁article ▁on ▁that ▁topic . ▁ ▁Non - Est ab lish ment ▁ 6 0 - gun ▁ships ▁ ▁Cent ur ion ▁ 6 0 ▁( 1 7 3 2 ) ▁– ▁U sed ▁by ▁An son ▁in ▁his ▁world ▁voyage , ▁reduced ▁to ▁ 5 0 ▁guns ▁ 1 7 4 4 , ▁broken ▁up ▁ 1 7 6 9 ▁ ▁R ipp on ▁ 6 0 ▁( 1 7 3 5 ) ▁– ▁broken ▁up ▁ 1 7 5 1 ▁▁ 1 7 3 3 ▁Pro pos als ▁ ▁First ▁rate ▁of ▁ 1 0 0 ▁guns ▁ ▁Vict ory ▁ 1 0 0 ▁( 1 7 3 7 ) ▁– ▁w reck ed ▁ 1 7 4 4 ▁ ▁Second ▁rates ▁of ▁ 9 0 ▁guns ▁ ▁Duke ▁ 9 0 ▁( 1 7 3 9 ) ▁– ▁broken ▁up ▁ 1 7 6 9 ▁ ▁St ▁George ▁ 9 0 ▁( 1 7 4 0 ) ▁– ▁broken ▁up ▁ 1 7