▁on ▁the ▁trailing ▁edge ▁of ▁the ▁ke el . ▁ ▁S & S ▁used ▁the ▁same ▁trim ▁tab ▁on ▁at ▁least ▁some ▁of ▁the ▁early ▁Sw an ▁ 3 7 s . ▁ ▁Me as ured ▁by ▁racing ▁success , ▁Sw an ▁ 3 7 ▁is ▁one ▁of ▁the ▁most ▁successful ▁Sw an ▁y ach ts ▁ever ▁built ▁and ▁it ▁is ▁famous ▁for ▁winning ▁the ▁Round ▁Got land ▁Race ▁on ▁six ▁different ▁occasions ▁on ▁four ▁dec ades ▁by ▁a ▁y acht ▁called ▁Tar ant ella ▁II . ▁At ▁least ▁two ▁Sw an ▁ 3 7 ▁boats ▁D ul c inea ▁and ▁Tr ish na ▁are ▁known ▁to ▁have ▁circ umn avig ated ▁the ▁world . ▁As ▁part ▁of ▁that ▁circ umn avigation , ▁D ul c inea ▁participated ▁in ▁the ▁Cape ▁to ▁Rio ▁race ▁in ▁ 1 9 7 6 . ▁ ▁She ▁is ▁still ▁act ively ▁sa iled ▁under ▁the ▁same ▁name ▁( as ▁of ▁ 2 0 1 7 ) ▁in ▁the ▁US . ▁ ▁In ▁the ▁US ▁market ▁Sw an ▁ 3 7 ▁was ▁also ▁market ed ▁as ▁Pal mer ▁Johnson ▁ 3 7 . ▁ ▁References ▁ ▁Category : Ke el bo ats ▁Category : S ail ing ▁y ach ts ▁Category : 1 9 7 0 s ▁sail bo at ▁type ▁designs ▁Category : S ail bo at ▁types ▁built ▁by ▁N autor ▁Sw an ▁Category : S ail ing ▁y ach ts ▁designed ▁by ▁O lin ▁Steph ens ▁Category : S ail bo at ▁type ▁designs ▁by