An offshore floating platform includes a plurality of aeolian generators having: an aeolian tower having a longitudinal extension and provided with a first and a second end; a blade-type aeolian generator positioned at the first end; and an engagement base positioned at the second end; a connection section, which joins two aeolian generators, including at least one connection element; wherein each engagement base is engaged with the connection element in such a way that each aeolian tower can move independently in a direction substantially parallel to the axis of longitudinal development of an aeolian tower.

Described herein are examples of stiffening shafts, which in some cases are adapted to couple to a marine vessel. An exemplary stiffening shaft can be used to extend a motor from the marine vessel or be used as a shallow water stick anchor. The exemplary stiffening shafts can include a plurality of linked vertebrae stacked to form a column and at least one inelastic tension element threaded longitudinally through the plurality of vertebrae. The shaft can have a flexible configuration when the at least one tension element is released and a stiffened linear configuration when the tension element is tensed to react to torque and bending moments. Alternatively, the stiffening shaft can be used as a shallow water stick anchor for a marine vessel by piercing the bottom of a marine environment (e.g., a sea bed, a lake bed, a river bed, etc.).

A wall for a watercraft and the watercraft. The watercraft having a hull and a deck supported by the hull. The wall extends around at least a portion of a floor of the deck. The wall includes a rear wall, a front wall, and two sidewalls connecting the rear wall and the front wall. The front wall has a first wall section, a second wall section and an intermediate wall section extending between the first and second wall sections. The first wall section includes a first door while the second wall section includes a second door. The first and second doors are moveable between an opened position and a closed position. The watercraft further includes a seat connected to the deck. The seat is positioned proximate to and aligns with at least one of the first and the second doors.