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The Front Cover

The image on the cover shows the WindWing which incorporates a horizontal wing configuration instead of a propeller. The technology which was covered in more detail in the March 2008 issue of Windtech International is not solely dedicated to producing electricity. Now two years later the WindWing is in the final stages of development and the company will be entering the market soon. In the article on page 7 Gene Kelley gives an update about the WindWing/WaterWing project and his view on the industry in general.

Publisher's Note


The WindWing/WaterWing Project
By Gene R. Kelley, Founder and Chief Executive Officer, W2 Energy Development Corporation, USA

Modelling the Risk of Icing
By Silke Dierer and Rene Cattin, Meteotest, Thomas Grünewald and Michael Lehnin, WSL Institute for Snow and Avalanche Research and Philippe Steiner, Federal Office of Meteorology and Climatology, Switzerland

Deep Wind

By L. Vita, U.S. Paulsen, T.F. Pedersen, H.A. Madsen and F. Rasmussen, Risø DTU Technical University of Denmark, Denmark

Overall Vibration Values for Reliable Wind Turbines
By Dr Edwin Becker, Head of Service & Diagnostic Centre, Prüftechnik Condition Monitoring, Germany

Expected Probability of Extreme Winds on Wind Farms
By Y. loureiro and P. Benito, CENER National Renewable Energy Centre of Spain, Spain


WWEA Page June 2010
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