{"id":340,"date":"2019-05-17T11:18:00","date_gmt":"2019-05-17T10:18:00","guid":{"rendered":"https:\/\/maritimejournal.nfdtesting.uk\/get-set-for-workboat-2050\/2019\/05\/17\/norsepowers-rotor-sail-delivers-fuel-savings\/"},"modified":"2026-08-26T22:13:15","modified_gmt":"2026-08-26T21:13:15","slug":"norsepowers-rotor-sail-delivers-fuel-savings","status":"publish","type":"post","link":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/2019\/05\/17\/norsepowers-rotor-sail-delivers-fuel-savings\/","title":{"rendered":"Norsepower\u2019s Rotor Sail delivers fuel savings"},"content":{"rendered":"<p>Analysis companies NAPA and ABB reviewed the data and were able to isolate an evident change in the propulsion power breakdown of <em>Viking Grace<\/em>, caused by the Rotor Sail. The same conclusion was confirmed with a strain gauge analysis, where forward thrust of the Rotor Sail was measured and converted into propulsion power.<\/p>\n<p>Tuomas Riski, chief executive of Norsepower, said that initial challenges were overcome and since the end of September 2018, the technical availability of the Rotor Sail has been around 97%. \u201cWe are pleased to see that independent testing from respected, independent companies NAPA and ABB has shown impressive fuel savings potential on the <em>M\/S Viking Grace,\u201d he said.<\/em><\/p>\n<p>\u201cThis project has confirmed, that our technology works also with high-speed cruise ferries and that favourable results can be achieved with a service speed of 21 knots,\u201d he added.<\/p>\n<p>The 57,565 tonne<em> Viking Grace<\/em> was retrofitted with one medium-sized Norsepower Rotor Sail unit in April 2018, making it the first-ever global LNG\/wind electric propulsion ship.<\/p>\n<p>Based on the different analyses, the expected long-term change in <em>Viking Grace&#8217;s<\/em> annual fuel consumption has been verified to be between 231 and 315 tonnes per year, equalling an average propulsion power of between 207kW and 282kW.<\/p>\n<p>According to the analysis results, the Rotor Sail delivers more forward thrust on the open sea legs of the route for the <em>Viking Grace<\/em>, but because the route is located mostly in the archipelago, the annual fuel savings potential is the same in both areas.<\/p>\n<p>By Rebecca Strong<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Independent tests on a Viking Line-owned and operated cruise ferry have showed that Norsepower Oy\u2019s Rotor Sail technology has the potential to deliver LNG fuel savings of around 300 tonnes per year.<\/p>\n","protected":false},"author":8,"featured_media":341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[],"sponsor":[],"class_list":["post-340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-power-propulsion"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/posts\/340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/comments?post=340"}],"version-history":[{"count":1,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/posts\/340\/revisions"}],"predecessor-version":[{"id":342,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/posts\/340\/revisions\/342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/media\/341"}],"wp:attachment":[{"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/media?parent=340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/categories?post=340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/tags?post=340"},{"taxonomy":"sponsor","embeddable":true,"href":"https:\/\/www.maritimejournal.com\/get-set-for-workboat-2050\/wp-json\/wp\/v2\/sponsor?post=340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}