I copied link and it opened ABC page - not related to ship.
The picture link opened OK - it seems to have variable pitch louvres - I have seen several prototype vessels using similar - The Japanese Bulk tanker would be a first I believe.
Craig1 said
07:54 PM Oct 24, 2022
It is a vertical" sail ", telescopes up or down using hydraulics.
https://www.abc.net.au/news/2022-10-24/coal-ship-partly-powered-wind-makes-historic-trip-newcastle/101568776
The picture link opened OK - it seems to have variable pitch louvres - I have seen several prototype vessels using similar - The Japanese Bulk tanker would be a first I believe.
www.abc.net.au/news/2022-10-24/coal-ship-partly-powered-wind-makes-historic-trip-newcastle/101568776
Try this one