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Air Supported Vessel technology
Lowering environmental impact, increasing comfort and control at sea, are effects and characteristics many ship owners and operators are searching for. The Danish shipyard Tuco Marine, in collaboration with Effect Ships International AS, Norway, has taken one step closer to these goals with an 18 metres carbon sandwich Air Supported Vessel (ASV) Soft Motion Demonstrator. The hull solutions has been tested and verified at SSPA.
With the patented ASV concept the vessel "rides on a cushion of air", reducing wetted surface area and hull/water resistance to a minimum. Excellent sea handling capabilities, low fuel consumption and environmental friendly technology, are benefits of Air Supported Vessels.
Photo: Tuco Marine. The 18 meter ASV Demonstrator recently presented.
Take a look at the video clip about "ASV Demonstrator" (by Tuco Marine). The clip shows some of the tests in a variation of speeds conducted in the towing tank at SSPA. Later in this video you can also see the full scale Demonstrator tested in different speeds.
Sailing on air - Applications of air cavity and air lubrication to ship
In 1883 the inventor Gustav de Laval experimented with releasing compressed air along the girths of numerous sections on the hull of a test boat. He had hoped that a thin layer of air would adhere to the hull. However, air bubbles formed instead and there was no detectable reduction in resistance.
ASV Mono SM model tests confirm expectations
Effect Ships International (ESI) in Norway completed tank testing of its “soft motion” monohull Air Supported Vessel (ASV) or ASV Mono SM, which it believes is equally suitable for use as a fast naval vessel or as a ferry. A week of testing took place in the end of 2012 at SSPA´s towing tank in Sweden. An article was published at Warship Technology, a publication of The Royal Institution of Naval Architects.