WIND-POWERED WATER-AIR INTERFACE VEHICLE SUITABLE FOR CONCEALED NAVIGATION

VEHICLE MOVING ACROSS WATER-AIR INTERFACE

SAIL PROPULSION ELEMENT, SAIL-PROPELLED VEHICLE

SHIP WITH SAIL PROPULSION

AUTOMATIC LOCKING SAIL TRACK CAR SYSTEMS AND APPARATUS

SAILING VESSEL PROVIDED WITH A TRANSIT PART FOR LOWERING AND HOISTING SAID SAIL

Ship with sail propulsion

Furling and adjustment assembly for boat sails

System comprising a tethered sail and a fixed station having means for folding the sail at the fixed station

Ship's sail made up of articulated panels and ship equipped therewith

Multihull watercraft

Sail assembly using slugs and flakers

HELICAL WOUND FLEXIBLE TORQUE TRANSMISSION CABLE

VESSEL PROPULSION WING

Apparatus for dousing a sail

Sail assembly using slugs and flakers

Guide for a sail sleeve, sail collapsing arrangement and methods therefor

GUIDE FOR A SAIL SLEEVE, SAIL COLLAPSING ARRANGEMENT AND METHODS THEREFOR

Wind-propelled vehicle including wing-sail

Sailing ship equipped with a hard sail

APPARATUS AND METHOD FOR AUTOMATICALLY ADJUSTING THE SAIL SURFACE EXPOSED TO THE WIND

Sail flaking system

Masted vehicle

Method and apparatus for compacting sail cars

System for preventing the deformation of sails, such as jibs, which are mounted on reels

Simple but effective sail handling system that allows sail control to be carried out single-handed from the safety of the cockpit

Roller assisted low friction reefing grommet