Wind Engine

By Keith Henderson at August 22, 2010 10:09
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In an earlier blog Reducing Air Drag, I mentioned the organization Greenwave. They have another wind power project called the Wind Engine.It is a mechanical sail uses the Magnus Effect and in its practical ship application has a tall cylindrical rotor as pioneered by Flettner in 1926. Test carried out by Auckland University, New Zealand, determined that the thrust produced by the Flettner rotor is eight to ten times more than a sail of equal area. Further tests with a 25:1 model ship indicate that wind assisted propulsion can deliver significant fuel and emission reductions with favorable winds and provides good maneuverability including crash stop performance. Lloyd’s Register provided technical assistance and expertise, for the construction of a full sized prototype rotor that was erected on a site in NE England. The next stage of the project is on board ship tests at sea which will be independently monitored by Lloyd's Register and is scheduled to take place during 2010.


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