Where the frames join the keel they are of the same depth as the vertical keel, but their depth tapers progressively from the turn of the bilge to their extremities at the upper or forecastle decks .
Apho izakhelo zidibana khona nesiseko senqanawa zinobunzulu obunye nobo besiseko senqanawa esithe nkqo, kodwa ubunzulu bazo, imitya yazo iqhubeka kakuhle ukusukela ekujikeni komphantsi wesiqu senqanawa kwidekhi ezingasentla okanye ezingaphambili.