alt Hacker NewsMost of the sails in the article seemed to be rotor sails, but the suction sail mentioned by GP seems to be a type of turbosail.
Most of the sails in the article seemed to be rotor sails, but the suction sail mentioned by GP seems to be a type of turbosail.
interesting that the rotor sail principle can be used with planes too:
https://en.wikipedia.org/wiki/Magnus_effect#In_aviation
(can't help but think "tilt rotor" of a different kind)