French company Airseas has developed the Seawing, a kite to help propel cargo ships, which it says could cut their carbon emissions by an average of 20%.
In the open ocean wind is fairly consistent and predictable. If there was a risk of the wind dropping too low you’d stow the sail. Even if it did hit the water, you’d have to stop while you hauled it in but it’s not impossible.
In the open ocean wind is fairly consistent and predictable. If there was a risk of the wind dropping too low you’d stow the sail. Even if it did hit the water, you’d have to stop while you hauled it in but it’s not impossible.