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Propulsion unit for surface or submarine vessels comprises rotary endless or Archimedes screw in place of propeller screw
Propulsion unit for surface or submarine vessels comprises rotary endless or Archimedes screw in place of propeller screw
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机译:用于水面或潜艇的推进装置包括旋转环形或阿基米德螺旋桨,代替螺旋桨螺旋桨
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摘要
The propulsion unit consists of an endless or Archimedes screw (1) mounted in supporting bearings (5), preferably with a number of such screws on each side of a surface or submarine vessel. The screws can be rotated in either direction to propel the vessel ahead or astern, reduce speed or steer it.
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