BBCNEWS The Daily Global June 4, 2024 18:41:00
Of an aircraft wing when an aircraft is taking off and it needs maximum thrust. that thrust lifts the aircraft in the air. but then if you turn those wings and invert them, then actually that changes that thrust to forward momentum. and that's essentially what we've done with the wind wing. but how do you power such massive ships with just wind? well, it is an auxiliary power, so we call it wind—assisted propulsion. so it's not true to say that this vessel is now a sailing vessel. it does assist the internal combustion engine to power the vessel. and is it labour intensive to do this because...
Source: archive.org