Ochroma 5th and 6th generations of the Chevrolet Corvette had floor pans composed of balsa sandwiched between sheets of carbon fiber reinforced plastic. Norwegian scientist and adventurer Thor Heyerdahl, convinced that early contact between the peoples of South America and Polynesia was possible, built the raft "Kon Tiki" from balsa logs, and upon it he and his crew sailed the Pacific Ocean from Peru to the Polynesian Tuamotu Archipelago in 1947. However, the Kon Tiki logs were not seasoned and owed much of their (rather slight) buoyancy to the fact that their sap was of lower density than seawater. This serendipitously
Thor Heyerdahl after him, as are HNoMS "Thor Heyerdahl", a Norwegian Nansen class frigate, along with "MS Thor Heyerdahl" (now renamed "MS Vana Tallinn") and "Thor Heyerdahl", a German three-masted sail training vessel originally owned by a participant of the Tigris expedition. Thor Heyerdahl Upper Secondary School in Larvik, the town of his birth, is also named after him. Heyerdahl's numerous awards and honours include the following: Thor Heyerdahl Thor Heyerdahl (; October 6, 1914 – April 18, 2002) was a Norwegian adventurer and ethnographer with a background in zoology, botany, and geography. He became notable for his "Kon-Tiki" expedition in 1947,