Vital Alsar Pacific raft expeditions that ancient mariners knew the Pacific currents and winds as well as modern humans know road maps. It was hoped to double the distance achieved by the Kon-Tiki expedition, the 1947 raft crossing by Thor Heyerdahl from South America to the Polynesian islands. Like the Kon-Tiki expedition, the aim was to see if a raft made from the materials available in the 16th century in pre-Columbian South America, when such vessels had been observed by Spanish sailors, could navigate the journey. Having been surprised by the seaworthiness of La Balsa, being confident they could have gone on to reach Africa
Thor Heyerdahl Heyerdahl obtained a radiocarbon date of 400 for a charcoal fire located in the pit that was held by the people of Easter Island to have been used as an "oven" by the "Long Ears", which Heyerdahl's Rapa Nui sources, reciting oral tradition, identified as a white race that had ruled the island in the past (Heyerdahl 1958). Heyerdahl further argued in his book "American Indians in the Pacific" that the current inhabitants of Polynesia migrated from an Asian source, but via an alternate route. He proposes that Polynesians travelled with the wind along the North Pacific current. These migrants