Flettner Rotors are cylinders which generate lift when rotated in a wind stream. This phenomena is known as the Magnus Effect. This technology is used in a modern form of wind propulsion called the Rotor Ship.
- 3458750.pdf Flettner Rotor Concept for Marine Applications: A Systematic Study
- Drift_Forces_-_Wingsails_vs_Flettner_rotors.pdf Drift Forces – Wingsails vs Flettner Rotors
- Norsepower Rotor Sails