Conversation so far:
Wht year did Thor Heyerdahl embark on his famous Kon-Tiki journey
In 1947, Thor Heyerdahl and five fellow adventurers sailed from Peru to the Tuamotu Islands, French Polynesia.
How did Thor Heyedahl and five fellow adventurers do the journey from Peru to Tuamoto Islands?
Thor Heyerdahl and adventurers sailed in a pae-pae raft that they had constructed from balsa wood and other native materials, christened the Kon-Tiki.
What inspired Thor Heyerdahl's journey from Peru to French Polynesia?
The Kon-Tiki expedition was inspired by old reports and drawings made by the Spanish Conquistadors of Inca rafts

Question: What did he struggle with
Self-contained rewrite: What did Thor Heyerdahl struggle with during his nautical voyages