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Sailing Yacht A is a sail-assisted motor yacht that is being built at the Nobiskrug yard in Germany and is due for completion in 2016. It underwent sea trials in October 2015. It is designed by French designer Philippe Starck, while Dutch design house Dykstra Naval Architects designed the rig and keel, and Magma Structures in the UK built the masts. It reportedly belongs to the Russian businessman and industrialist Andrey Melnichenko, who already owns Motor Yacht A.〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/news/exclusive-pushing-the-boundaries-of-technology-sailing-yacht-a--27613 )〕〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/news/sea-trial-photos-of-sailing-yacht-a--25419 )〕〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/the-superyacht-directory/sailing-yacht-a--39349 )〕〔(【引用サイトリンク】url=http://www.fool.com/investing/general/2015/08/26/andrey-melnichenko-from-college-dropout-to-one-of.aspx )〕〔(【引用サイトリンク】url=http://www.superyachttimes.com/editorial/33/article/id/14383 )〕 Boat International claims it is “a radically designed yacht that introduces new technologies and techniques never before used in the shipbuilding industry”. Sailing Yacht A is a three-masted, 142.81 metre yacht, with a moulded beam at the widest point of 24.88 metres, an eight metre encapsulated keel and a gross tonnage of approximately 12,700GT. Propulsion comes from a customised hybrid diesel-electric package made up of two MTU 3,600 kW diesel engines, and two 4,300 kW electric motors, driving shafts ending in highly skewed five-bladed Andritz controllable pitch propellers. She is expected to cruise under power at 16 knots with an expected range of 5,320 nautical miles and will have a top speed of 21 knots.〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/news/exclusive-pushing-the-boundaries-of-technology-sailing-yacht-a--27613 )〕 Sailing Yacht A has the three largest unstayed carbon masts in the world, while the mainmast towers 100 metres above the waterline. The masts can withstand 90 knots of wind with full sail up (equivalent to a Category 2 hurricane). The total sail area of 3,747 square metres. The aerodynamic tests results concluded that the yacht’s heeling angle when under full sail would be a maximum of 12 degrees at 20 knots true wind-speed upwind and 35 knots downwind.〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/editorial-features/facts-about-the-build-of-sailing-yacht-a--28309 )〕 Boat International〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/editorial-features/facts-about-the-build-of-sailing-yacht-a--28309 )〕 claims “the goal was to achieve a cruising speed of 16 knots and a 21-knot top speed and be able to sail silently” and that the yacht uses a customised diesel-electric system. The pair of propellers can be driven by the twin MTU 20V 4000 ML73 main diesel engines or by electric motors or by a combination of both through clutches and gearboxes. The same electric motors can also be used as economical shaft generators when the main engines are driving the yacht. Reportedly, S/Y A has an underwater viewing pod moulded into the keel, offering a view of the props. The yacht’s glass, including the longest piece of curved glass ever made: a 1.8-tonne, 15 metre bulwark forward on the bridge deck.〔(【引用サイトリンク】url=http://www.boatinternational.com/yachts/editorial-features/facts-about-the-build-of-sailing-yacht-a--28309 )〕 According to Daily Mail, Sailing Yacht A is “one of the most advanced yachts of its kind” and the owner “is expected to recover some of the costs by licensing the technology developed for the vessel for commercial applications”. “It is thought to build on the pioneering use of nautical engineering” used in Motor Yacht A.〔(【引用サイトリンク】url=http://www.dailymail.co.uk/sciencetech/article-3212897/The-superyacht-masts-taller-BIG-BEN-sails-size-football-field-Russian-billionaire-designs-luxury-vessel-set-begin-sea-trials-later-year.html )〕 CNN reports that the vessel is called "A" to ensure it is "first alphabetically in boating registers".〔(【引用サイトリンク】url=http://edition.cnn.com/2015/10/05/sport/sailing-yacht-a-super-yacht-andrey-melnichenko/ )〕 ==See also== *List of large sailing yachts *A (yacht) 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「Sailing Yacht A」の詳細全文を読む スポンサード リンク
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