Set of rigid, paired and opposite candles.

Set of folding, paired and opposite rigid sails. Set of rigid sails paired and opposing (1), associated to a boat (39), when surfing immersed in an air stream, some remain deployed in work function and folded opposing airfoil. When the boat (39) changes direction, the folding / unfolding of the sets of sails (1) position is reversed, allowing the ship to go zigzagging within said air current, all aimed to propel the craft, the energy production or both.