| Boat on the feet based wind farm |
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 Vattenfall's wind turbines in the North will be installed with the help of a ship that can fold out six legs and become a platform. Pacific Orca is 160 meters long, weighs 8400 tons and has a cruising speed of 14 knots The ship has two cranes and six legs that can be folded down so that the ship can support the bottom when the turbines and towers will be installed and erected in the lake. The first job of the newly built ship Pacific Orca is to load 80 pieces of 3.6 MW turbines from Siemens in the port of Esbjerg and transport them to Vattenfall and the German utility company Stadtwerke Munich wind farm Dan German, about 70 kilometers west of the island of Sylt in the German part of North Sea. There they are placed by "wind navies" on a 70 square kilometer area with a water depth of up to 30 meters. Pacific Orcas leg is 120 meters long and must cope with water depths of up to 75 meters. When they get support against the hull bottom can be raised above the surface. This will turn the boat to a platform when it comes time to unload and install wind turbines. With the legs in place, Pacific Orca able to work in wind speeds of up to 20 mph and when it is 2.5 meter high waves. The vessel is currently being built by Samsung Heavy Industries in Korea for the Danish shipping company Swire Blue Ocean. It will be delivered in 2012. |
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