The Hull Vane is a fuel saving device in the form of a fixed foil, located below the stern of a ship. The Hull Vane influences the stern wave pattern and creates hydrodynamic lift, which is partially oriented forward. This results in a reduction in of the ship’s resistance. The performance of the Hull Vane depends on the ship’s length, speed and hull shape in the aft sections, and ranges from 5 to 15% for suitable ships. In specific cases, savings up to 20% are possible. The Hull Vane was invented by Dr. Ir. Pieter van Oossanen and is protected by patents in all major shipbuilding countries.
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