I. Gates's Article in Arts and Entertainment

430 Blending sophistication with Shipping Technology
Rotor ship or Flettner rotor vessel is a ship which uses the magnus effect for propulsion. The magnus effect is a force acting on a spinning body in an airstream to move it perpendicularly forward. It uses rotorsails which are powered by engines. Anton Flettner first used this principle to build a ship.
Posted on Aug-01-2011

439 Power of Collapsible Flettner Rotor
Wind energy usage is the best solution for environment problem. And collapsible flettner rotor is a device which utilizes wind energy perfectly.
Posted on Jul-21-2011