{"id":3660,"date":"2018-06-05T14:25:59","date_gmt":"2018-06-05T12:25:59","guid":{"rendered":"https:\/\/www.adrena-software.com\/optima-speed-polars-of-a-sailboat\/"},"modified":"2018-10-15T16:15:56","modified_gmt":"2018-10-15T14:15:56","slug":"optima-speed-polars-of-a-sailboat","status":"publish","type":"post","link":"https:\/\/www.adrena-software.com\/en\/optima-speed-polars-of-a-sailboat\/","title":{"rendered":"Optima, speed polars of a sailboat"},"content":{"rendered":"<h2 style=\"text-align: justify;\"><span style=\"font-size: 12px; color: black; line-height: 1.5em; text-align: left;\">The indispensable tool for creating polars actual sailboat.<\/span><\/h2>\n<p style=\"text-align: justify;\">Show laylines, know the target speed of the boat and the angle that achieves the VMG or calculate a route, it is all possible thanks to Adrena essential navigation polars.<\/p>\n<p style=\"text-align: justify;\">So how do you create and use a polar in Adrena? Several options are available to users&#8230;<\/p>\n<h3><strong><br \/><\/strong><\/h3>\n<h3><strong>Calculate the polar<\/strong><\/h3>\n<p style=\"text-align: justify;\">Optima, the calculation tool integrated into Adrena software, uses data recorded automatically during navigation to establish the polar curves of the boat. Rare feature among navigation software, this powerful tool provides excellent accuracy for the display and use of the <strong>actual performance<\/strong> of the boat. The calculation process is divided into three steps:<\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-size: 12px; line-height: 1.5em;\">the load of the tracks used for the calculation. It may be all the recorded data or only a portion (eg only regatta tracks)<\/span><\/li>\n<li><span style=\"font-size: 12px; line-height: 1.5em;\">the calculation of the curves by the software and any manual corrections<\/span><\/li>\n<li><span style=\"font-size: 12px; line-height: 1.5em;\">the registration of the polar file newly calculated.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\">We can thus create different files to have a polar &#8220;crew&#8221; or &#8220;cruising solo&#8221; or even depending on the sea state (dedicated buttons are provided for this).<\/p>\n<p><img decoding=\"async\" style=\"margin: 5px 20px;\" title=\"Calculation of polars\" src=\"\" alt=\"Calculation of polars\" width=\"602\" height=\"303\" \/><\/p>\n<p>\u00a0<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<h3 style=\"text-align: justify;\"><strong>Activate a polar<\/strong><\/h3>\n<p style=\"text-align: justify;\">Once the boat\u2019s polar file is created, the crew can immediately use its data contained by activating the polar in Adrena software. In the menu &#8220;Tools> Activation polar&#8221; software provides the ability to activate a different polar for the start phases and phases of navigation. If you do not have a specific polar for each phase, then the same file is activated in both case.<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<h3 style=\"text-align: justify;\"><strong>Theoretical polar and VPP, use them as reference!<\/strong><\/h3>\n<p style=\"text-align: justify;\">In some cases, there is only theoretical polar &#8211; or VPP &#8211; recovered from the manufacturer or the architect who designed the boat. It is a good base to start racing and get performance values around the potential of the boat. These polars can be activated to be used immediately.<br \/> When there is not enough tracks recorded to cover all ranges of use of the boat, it will be useful to complete the &#8220;holes&#8221; left by the lack of data in certain circumstances.<br \/> Thus the <strong>active polar<\/strong> initially based on theoretical data of the <strong>polar reference<\/strong> will be refined over the navigation by the speed recordings.<\/p>\n<p><img decoding=\"async\" style=\"float: right; margin-left: 5px; margin-right: 5px;\" src=\"\" alt=\"Menu Optima\" width=\"224\" height=\"332\" \/><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em>In Optima menu it is possible to define a reference polar, <strong>it is not the software active polar.<\/strong> It is used in the window \u201ccalculation of polars\u201d, by ticking the box \u201creplace missing data with reference polars\u201d to complete the calculation.<\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em><br \/><\/em><\/p>\n<p style=\"text-align: justify;\"><em style=\"font-size: 12px; line-height: 1.5em; text-align: left;\">\u00a0\u00a0<\/em><\/p>\n<p><em><img decoding=\"async\" title=\"Polar\" src=\"\" alt=\"Polar\" width=\"620\" height=\"193\" \/><br \/><\/em><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<h5><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Theoretical polar<\/strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Missing data inserted \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Final calculated polar<\/h5>\n<h5><span style=\"font-size: 12px; font-weight: normal; line-height: 1.5em;\">\u00a0<\/span><\/h5>\n<p><img decoding=\"async\" style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"Difference between theoretical and calculated polar\" src=\"\" alt=\"Difference between theoretical and calculated polar\" width=\"376\" height=\"364\" \/><\/p>\n<h5 style=\"text-align: center;\"><span style=\"font-size: 12px; line-height: 1.5em;\">Difference between theoretical and calculated polar<\/span><\/h5>\n<p style=\"text-align: left;\">\u00a0<\/p>\n<p align=\"center\">\u00a0\u00a0<span style=\"color: #ffc000;\"><strong>Theoretical polar<\/strong><\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<span style=\"color: #365f91;\"><strong>Calculated polar<\/strong><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 12px; line-height: 1.5em;\"><br \/><\/span><\/p>\n<h3><span>What if I do not have any theoretical polar ?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span>When the theoretical polars are missing, last solution is based on mariner&#8217;s experience and knowledge of his boat : it is to write its own polar. From an Excel pivot table, you define the boat&#8217;s target speeds according to the wind angles and the wind speed.<\/span><\/p>\n<p style=\"text-align: justify;\"><span><br \/>The table should be as following:<\/span><\/p>\n<table style=\"width: 436px; margin-left: auto; margin-right: auto;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>TWA\/TWS<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>4<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>6<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>8<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>10<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>&#8212;&#8212;<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>&#8212;&#8212;<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p><strong>&#8212;&#8212;<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>40<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>45<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>60<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>75<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>&#8212;&#8212;<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>&#8212;&#8212;<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 10px;\">\n<td valign=\"bottom\" width=\"123\">\n<p><strong>&#8212;&#8212;<\/strong><\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<td valign=\"bottom\" width=\"45\">\n<p>\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">The table should star tat first line, fisrt column of the first sheet of your excel file.<\/p>\n<p style=\"text-align: justify;\">Save your file in text format (tab delimited) (<strong>.txt<\/strong>)<\/p>\n<p style=\"text-align: justify;\">Retrieve in Windows explorer the file and select it. Modify the extension from \u00ab\u00a0<strong>.txt\u00a0<\/strong>\u00bb en \u00ab\u00a0<strong>.pol<\/strong>\u00a0\u00bb<\/p>\n<p style=\"text-align: justify;\">Then, you can activate the polar in Adrena.<\/p>\n<p style=\"text-align: justify;\">The description of how to use those tools can be found in the user manual delivered on every ADRENA software CD or in our website in the <a title=\"FAQ\" href=\"http:\/\/www.adrena.fr\/en\/F.A.Q\/faq-questions-a-answers.html\">FAQ<\/a>.<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<h3><strong>How Adrena is using the polars?<\/strong><\/h3>\n<p><img decoding=\"async\" style=\"float: right; margin-left: 10px; margin-right: 10px;\" title=\"Layline display on departure line\" src=\"\" alt=\"Layline display on departure line\" width=\"300\" height=\"100\" \/><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<h5 style=\"text-align: right;\"><span>Laylines display on departure line\u00a0<\/span><\/h5>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" style=\"float: left; margin-left: 10px; margin-right: 10px;\" title=\"Layline display &#038; VMG heading to WP\" src=\"\" alt=\"Layline display\" width=\"300\" height=\"277\" \/><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span><br \/><\/span><\/p>\n<h5 style=\"text-align: left;\"><span style=\"font-size: 12px; line-height: 1.5em;\"><br \/><\/span><\/h5>\n<h5 style=\"text-align: left;\"><span style=\"font-size: 12px; line-height: 1.5em;\">Layline display and VMG heading to waypoints<\/span><\/h5>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img decoding=\"async\" style=\"float: right; margin-left: 10px; margin-right: 10px;\" title=\"Performance data display\" src=\"\" alt=\"Performance data display\" width=\"300\" height=\"83\" \/><\/p>\n<p>\u00a0<\/p>\n<h5 style=\"text-align: right;\">Performance data display\u00a0<\/h5>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img decoding=\"async\" style=\"float: left; margin-left: 10px; margin-right: 10px;\" title=\"Target duration display\" src=\"\" alt=\"Target duration display\" width=\"300\" height=\"250\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<h5 style=\"text-align: left;\">Target duration display<\/h5>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img decoding=\"async\" style=\"float: right; margin-left: 10px; margin-right: 10px;\" title=\"Weather routing calculation\" src=\"\" alt=\"Weather routing calculation\" width=\"300\" height=\"159\" \/><\/p>\n<p>\u00a0<\/p>\n<p><span style=\"font-size: 12px; line-height: 1.5em;\">\u00a0<\/span><\/p>\n<p>\u00a0<\/p>\n<h5 style=\"text-align: right;\">Weather routing calculation<\/h5>\n","protected":false},"excerpt":{"rendered":"<p>Indispensable tool for creating polars actual sailboat. Show laylines, know the target speed of the boat and the angle that achieves the VMG or calculate a route, it is all possible thanks to Adrena essential navigation polars.<\/p>\n","protected":false},"author":688,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-3660","post","type-post","status-publish","format-standard","hentry","category-news-category"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Optima, speed polars of a sailboat - Adrena software<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adrena-software.com\/en\/optima-speed-polars-of-a-sailboat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optima, speed polars of a sailboat - Adrena software\" \/>\n<meta property=\"og:description\" content=\"Indispensable tool for creating polars actual sailboat. 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