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Elbe 17 is the third largest dry dock in Germany, located in Hamburg (Germany) and administrated by shipbuilding company Blohm + Voss. Completed in 1942 at a length of 351 meters and a width of 59 meters. It was originally intended for the construction of the massive H-class battleships. During World War II, it was used for repair work only and also served as an air shelter (housing up to 6000 people). After the war, the huge floatable metal gate was scrapped and the dock served as a berth. The British occupation forces originally planned to demolish the dock in January 1950, but popular protests and fears that the demolition would damage the nearby tunnel under the Elbe caused the dock to be preserved.〔(Die Zeit, May 1950 )〕 On December 12, 1967, construction of a new gate was completed and the first ship to enter the dock was the 190,000 ton tanker . Today, the dock is primarily used for refurbishing and repairing ships, although it can also be used for the construction of new vessels. The dock was notably used to perform maintenance on very large ships such as the container ship ''Sovereign Maersk'' (347 m long and 42.8 m wide), the cruise ship ''Freedom of the Seas'' (339 m long, 56 m wide), and the ''Queen Mary 2'' (66,000 t, 345 m long, 41 m wide) File:The passenger ship Queen Elizabeth arriving Port of Hamburg.jpg|The Cunard passenger ship ''Queen Elizabeth'' arrives in Hamburg. File:The ship turns at high tide without tug assistance, the dock is now ahead.jpg|The ship turns towards the dry dock at high tide without tug assistance File:Extremely carefully navigate the port pilots the ship with the help of bow and stern thrusters to the correct position.jpg|With the help of harbour pilots, its Azipod propulsion, and stern thrusters, the ship moves into the correct position. File:With death slow ahead against water flooding the ship comes closer to Elbe 17 dry dock.jpg|Moving forward very slowly (against the tide), the ship approaches the dry dock. File:Northeast wind pushes the stern of the ship to port, now the Azipod control system powerful is used.jpg|The Azipod system holds the ship in position against a wind from the north-east. File:Now the ship is in the correct central position and can enter into the flooded dock.jpg|Now the ship is in the correct position and can enter the flooded dock. File:Finally, the liner Queen Elizabeth slowly slides into the dock.jpg|The ''Queen Elizabeth'' slowly slides into the dock File:The gate of dock Elbe 17 is closed, the maintenance and repair work on the Cunard liner Queen Elizabeth have started.jpg|The gate of the dry dock is closed, and maintenance work can begin. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Elbe 17」の詳細全文を読む スポンサード リンク
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