WIND POWER PROPULSION DEVICE, PARTICULARLY FOR BOATS OR VESSELS, THIS DEVICE COMPRISING AT LEAST ONE SHUTTER ELEMENT SLIDING ALONG HORIZONTAL GUIDING ELEMENTS

摘要

The wind propulsion device according to the invention comprises at least two horizontal support elements 1, 2, such as yards, and at least one rigid, semi rigid or even flexible sail element 12 which extends between the support elements 1, 2 and is mounted to slide along two parallel slideways 6, 7 each provided on one of the two support elements 1, 2 and each having a predetermined profile. The invention is intended, in particular, for the propulsion of small boats or of ships. IMAGE