Wind propulsion systems (WPS) are a modern, industrialised sailing technology using 21st ... source and will need careful integration on-board with commercial operation of the ship.

But as a species we wouldn’t have made it very far if it was only possible to sail in the same direction the wind is blowing. There are a number of methods for sailing upwind, but generally only ...

The first thing a sailor does is determine where the wind is coming from, he said, because you can’t sail straight into the wind, but you can go to the left or right by positioning the sail at ...