National Geographic : 1942 Oct
Brazilian Government Trade Bureau Under Triangular Sails, Fishing Rafts Skim over the Sea Like Iceboats, in aRace offFortaleza These North Brazil jangadas are made of light logs cut from the pau jangada, or "raftwood" tree. Six logs, about 24feetlong, arefastened with wooden pegs and tapered at the end to form a prow. A wooden horse, set well forward, supports the single sail, usually a pieceofwell-patched cotton, controlled byasingle rope. Heavy stones tied with seaweed serve as anchors. Fishermen often take their crude craft out of sight of land forseveral days (page 505).