Couple days
The sail boat
By kayak, it would take about 35 days to travel from California to Japan. It takes 80 days by sail boat.
sail boat
It depends where you're sailing from!
A sail boat or yacht.
A sail boat Also motorsailers and rafts
Yes he did sail by boat
4x wind speed is so far the best alleged possible.
sail
a sail boat
Allegedly, the lateen sail design made it possible to sail closer into the wind. That is, less than 45 degrees from the direction the wind is blowing. No sail boat can sail directly into the wind. Yet.