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
Kon-Tiki expedition mounting the "Kon-Tiki" expedition was to show, by using only the materials and technologies available to those people at the time, that there were no technical reasons to prevent them from having done so. Although the expedition carried some modern equipment, such as a radio, watches, charts, sextant, and metal knives, Heyerdahl argued they were incidental to the purpose of proving that the raft itself could make the journey. The "Kon-Tiki" expedition was funded by private loans, along with donations of equipment from the United States Army. Heyerdahl and a small team went to Peru, where, with the help of