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Postage Stamp of Gedser Windmill in DenmarkOne of a series of commemorative windmill stamps issued in Denmark in 2007. The windmill at Gedser south of Copenhagen on the island of Sealand was developed by Johannes Juul in 1957. The Gedser mill is the technological model for all subsequent Danish wind turbines. The Gedser mill was in regular service until 1967.
The 24 meter diameter wind turbine used pitchable blade tips, an upwind rotor, mechanical yaw, and a 200 kW induction generator--all elements of modern Danish wind turbines of the 1970s and 1980s. In the 1970s the US DOE paid to bring the turbine back into service as part of its research into wind energy. In the 1990s the nacelle was replaced with a then modern Micon turbine of the same size class. More on the Gedser turbine and on the history of Danish wind turbine development can be found in Wind Energy Comes of Age. -End- |