Euros ships 81.6 m long rotor blade

Wednesday, 29 May, 2013 - 14:45
Euros in Sassnitz has shipped the first rotor blade for Mitsubishi's 7-MW turbine. (Photo: Euros) (Photo: Euros)

Three months after the inauguration of the prototype production facility in Sassnitz / Mukran on the German island of Rügen, Euros Entwicklungsgesellschaft für Windkraftanlagen mbH has delivered and shipped the first offshore rotor blade to their customer Mitsubishi.

The rotor blades of this type, which have a length of 81.6 m and a mass of 32.5 t, are intended for use on Mitsubishi's 7 MW turbine. It will be installed for the first time on the coast of Scotland near Glasgow as well as in Fukushima, Japan. The rotor blade from Sassnitz will, however, first take a trip to the Fraunhofer IWES test institute in Bremerhaven. Euros is using the production facility in Sassnitz for the first prototype sets, but the company is planning an offshore production facility in Rostock for pre-series and series production.

After Euros gained experience with the construction of 5 MW offshore rotor blades in 2003 and 2006, they started their own offshore rotor blade development in 2009. Since then, all aspects of design, production, transportation and maintenance of offshore blades have been studied in an extensive research and development program in collaboration with Mitsubishi. Wind tunnel tests were carried out to ensure the best possible aerodynamic efficiency. Load-bearing belts made of carbon fibre reinforced plastic and core materials that up till now have only been used in aviation provide the ultimate in strength, rigidity and reliability, according to Euros.

Katharina Garus

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