Tangaroa Expedition Tangaroa Expedition The Tangaroa Expedition of 2006 closely resembled the Kon-Tiki expedition sailing a balsa raft from Peru to Polynesia. Tangaroa outperformed Kon-Tiki by having an improved sail rig and by actively using guaras (centerboards). As such, the expedition represents a scientific continuation of Thor Heyerdahl's experiments in recreated maritime technology. The raft was named after the Māori sea-god Tangaroa. Based on records of ancient vessels, the raft used a relatively sophisticated square sail that allowed sailing into the wind, or tacking. It was high by wide. The raft also included a set of modern navigation and communication equipment, including
Thor Heyerdahl history, consulting what was then the world's largest private collection of books and papers on Polynesia, owned by Bjarne Kroepelien, a wealthy wine merchant in Oslo. (This collection was later purchased by the University of Oslo Library from Kroepelien's heirs and was attached to the Kon-Tiki Museum research department.) After seven terms and consultations with experts in Berlin, a project was developed and sponsored by Heyerdahl's zoology professors, Kristine Bonnevie and Hjalmar Broch. He was to visit some isolated Pacific island groups and study how the local animals had found their way there. Just before sailing together to the Marquesas