Thor Heyerdahl (expedition-built)

Norway/Peru Est. N/A

Kon-Tiki wasn't built by a shipyard. Thor Heyerdahl and his crew built the raft in the naval yard at Callao, Peru, from balsa logs floated down from the Ecuadorian jungle. The construction method was the point — every material and technique had to be available to pre-Columbian South Americans.

Heritage

Heyerdahl's raft-building was experimental archaeology before the term existed. He proved that the vessel was viable by building it with ancient methods and then sailing it across an ocean. The construction was as much a part of the expedition as the voyage.

Vessels (1)

Kon-Tiki

In 1947, Thor Heyerdahl built a raft from balsa logs using techniques available to pre-Columbian South Americans and sailed it 4,300 miles across the Pacific to prove that ancient peoples could have colonized Polynesia from South America. The scientific establishment thought he was insane. Balsa wood, they said, would become waterlogged and sink. The raft would break apart in heavy seas. Six men would die in the Pacific to prove a crackpot theory. Heyerdahl sailed anyway. The voyage took 101 days. The raft held together. The balsa didn't waterlog (the outer layer saturated but the core stayed buoyant). They caught fish, collected rainwater, and navigated by stars. They crash-landed on a reef in the Tuamotu Islands. Everyone survived. The book sold 50 million copies. The theory has been largely disproven by DNA evidence — Polynesians came from Asia, not South America — but Heyerdahl proved the voyage was possible, and that matters.

1947 · expedition