{"id":36172,"count":4,"description":"<h2 style=\"text-align: center\">INBOARD HYDRAULIC STEERING SYSTEMS**<\/h2>\r\n<table style=\"width: 675px\" border=\"1\" align=\"center\">\r\n<tbody>\r\n<tr>\r\n<td width=\"220\" height=\"25\"><strong>\u00a0Boat lenght up to<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>20 ft.<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>30 ft.<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>40 ft.<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>44 ft.<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>45 ft.<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>55 ft.<\/strong><\/td>\r\n<td align=\"center\" width=\"65\"><strong>60 ft.<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td height=\"25\">\u00a0Single engine pleasure<\/td>\r\n<td align=\"center\">GE30<\/td>\r\n<td align=\"center\">GE50<\/td>\r\n<td align=\"center\">GE75<\/td>\r\n<td align=\"center\">GE75<\/td>\r\n<td align=\"center\">GE180<\/td>\r\n<td align=\"center\">GE350<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<\/tr>\r\n<tr>\r\n<td height=\"25\">\u00a0Sin<span>gle engine work<\/span>\u00a0engine work<\/td>\r\n<td align=\"center\">GE30<\/td>\r\n<td align=\"center\">GE50<\/td>\r\n<td align=\"center\">GE75<\/td>\r\n<td align=\"center\">GE100<\/td>\r\n<td align=\"center\">GE180<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<\/tr>\r\n<tr>\r\n<td height=\"25\"><span>\u00a0Double engine pleasure<\/span><\/td>\r\n<td align=\"center\">GE50<\/td>\r\n<td align=\"center\">GE50<\/td>\r\n<td align=\"center\">GE75<\/td>\r\n<td align=\"center\">GE100<\/td>\r\n<td align=\"center\">GE350<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<\/tr>\r\n<tr>\r\n<td height=\"25\">\u00a0<span>Double\u00a0<span>engine work<\/span><\/span><\/td>\r\n<td align=\"center\">GE50<\/td>\r\n<td align=\"center\">GE75<\/td>\r\n<td align=\"center\">GE100<\/td>\r\n<td align=\"center\">GE100<\/td>\r\n<td align=\"center\">GE350<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<td align=\"center\">GE560<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<p>\u00a0<\/p>\r\n<p style=\"text-align: center\">\u00a0<span style=\"text-decoration: underline\">**<\/span><span><span style=\"text-decoration: underline\">Tab<\/span>le data are only indicative, the choice of the inboard hydraulic steering system is subordinate to the torque calculation formula.<\/span><\/p>\r\n<p><span><br \/><\/span><\/p>\r\n<h2 style=\"text-align: center\">SELECTION OF A HYDRAULIC STEERING SYSTEM<\/h2>\r\n<p>For boat fitted with a rudder with speed not exceeding 25 knot, the torque of the rudder or rudders is\u00a0 calculated according to the following formula and corrections.<br \/>It must be known that the torque necessary to manoeuvre a boat depends on:<br \/>- the speed of the water flowing on the surface of the rudder at a certain angle (not max speed).<br \/>- the rudder size.<br \/>- the total sweep of the rudder (and part of the boat), if the rudder shaft is not perpendicular.<br \/>- the compensating surface of the rudder.<\/p>\r\n<p>\u00a0<\/p>\r\n<h2 style=\"text-align: center\">INBOARD HYDRAULIC STEERING SYSTEMS (Torque calculation formula)<\/h2>\r\n<p style=\"text-align: center\">Torque Calculation Formula for Speed below 25 Knots<\/p>\r\n<p style=\"text-align: center\"><strong>Qr =A x [(0,4b) \u2013 e ] x V\u00b2 x K<\/strong><\/p>\r\n<p>Qr = torque in kgm<br \/>A = Total surface of rudder ( h x b ) in sqm<br \/>h = height of rudder in m.<br \/>b = Width of rudder in m.<br \/>e = Compensation width in m.<br \/>V = (Maximum speed) of the boat in knots.<br \/>K = Coefficient according to total angle of rudder<br \/>Port to starboard 70\u00b0 K = 15,89<br \/>Port to starboard 80\u00b0 K = 17,80<br \/>Port to starboard 90\u00b0 K = 19,52<\/p>\r\n<p><img style=\"margin-left: auto;margin-right: auto\" src=\"https:\/\/mavimare-staging.kotuko.rocks\/wp-content\/uploads\/2023\/10\/DisPag25.jpg\" alt=\"\" width=\"500\" height=\"387\" \/><\/p>\r\n<p>Corrections in function of the type of boat:<br \/>- for sailing boat Qr x 0,5<br \/>- f or a boat with a steering nozzle Qr x 2.0<br \/>- for twin engine power boat with 1 rudder Qr x 0,5<br \/>- for boat fitted with several rudder (catamarans, trimarans, monohulls) multiply the calculated torque result by the number of rud ders fitted on the boat.<br \/>Once the torque is known, the appropriate cylinder is selected and one or two manuals pumps will be added<br \/>accordingly.<\/p>\r\n<p><strong>Warning: if you select a pump with a higher flow rate in order to reduce the number of wheel turns , you will have to fit a wheel with a bigger diameter.<\/strong><\/p>\r\n<p style=\"text-align: left\"><strong><br \/><\/strong><\/p>","link":"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/steering-system-for-inboard\/","name":"Steering system for inboard","slug":"steering-system-for-inboard","taxonomy":"product_cat","parent":36104,"meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.12 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Steering system for inboard Archivi - MaviMare<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Steering system for inboard Archivi - MaviMare\" \/>\n<meta property=\"og:description\" content=\"INBOARD HYDRAULIC STEERING SYSTEMS**  \u00a0Boat lenght up to 20 ft. 30 ft. 40 ft. 44 ft. 45 ft. 55 ft. 60 ft.  \u00a0Single engine pleasure GE30 GE50 GE75 GE75 GE180 GE350 GE560  \u00a0Single engine work\u00a0engine work GE30 GE50 GE75 GE100 GE180 GE560 GE560  \u00a0Double engine pleasure GE50 GE50 GE75 GE100 GE350 GE560 GE560  \u00a0Double\u00a0engine work GE50 GE75 GE100 GE100 GE350 GE560 GE560  \u00a0 \u00a0**Table data are only indicative, the choice of the inboard hydraulic steering system is subordinate to the torque calculation formula. SELECTION OF A HYDRAULIC STEERING SYSTEM For boat fitted with a rudder with speed not exceeding 25 knot, the torque of the rudder or rudders is\u00a0 calculated according to the following formula and corrections.It must be known that the torque necessary to manoeuvre a boat depends on:&#8211; the speed of the water flowing on the surface of the rudder at a certain angle (not max speed).&#8211; the rudder size.&#8211; the total sweep of the rudder (and part of the boat), if the rudder shaft is not perpendicular.&#8211; the compensating surface of the rudder. \u00a0 INBOARD HYDRAULIC STEERING SYSTEMS (Torque calculation formula) Torque Calculation Formula for Speed below 25 Knots Qr =A x [(0,4b) \u2013 e ] x V\u00b2 x K Qr = torque in kgmA = Total surface of rudder ( h x b ) in sqmh = height of rudder in m.b = Width of rudder in m.e = Compensation width in m.V = (Maximum speed) of the boat in knots.K = Coefficient according to total angle of rudderPort to starboard 70\u00b0 K = 15,89Port to starboard 80\u00b0 K = 17,80Port to starboard 90\u00b0 K = 19,52 Corrections in function of the type of boat:&#8211; for sailing boat Qr x 0,5&#8211; f or a boat with a steering nozzle Qr x 2.0&#8211; for twin engine power boat with 1 rudder Qr x 0,5&#8211; for boat fitted with several rudder (catamarans, trimarans, monohulls) multiply the calculated torque result by the number of rud ders fitted on the boat.Once the torque is known, the appropriate cylinder is selected and one or two manuals pumps will be addedaccordingly. Warning: if you select a pump with a higher flow rate in order to reduce the number of wheel turns , you will have to fit a wheel with a bigger diameter.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/steering-system-for-inboard\/\" \/>\n<meta property=\"og:site_name\" content=\"MaviMare\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mavimare-staging.kotuko.rocks\/wp-content\/uploads\/2023\/10\/DisPag25.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"CollectionPage\",\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/steering-system-for-inboard\/\",\"url\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/steering-system-for-inboard\/\",\"name\":\"Steering system for inboard Archivi - MaviMare\",\"isPartOf\":{\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/#website\"},\"breadcrumb\":{\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/steering-system-for-inboard\/#breadcrumb\"},\"inLanguage\":\"en-GB\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/steering-system-for-inboard\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hydraulic Steering Systems\",\"item\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/product-category\/hydraulic-steering-systems\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Steering system for inboard\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/#website\",\"url\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/\",\"name\":\"MaviMare\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/#organization\",\"name\":\"MaviMare & Mancini SRL\",\"url\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mavimare-staging.kotuko.rocks\/wp-content\/uploads\/2023\/06\/mavimare_logo.svg\",\"contentUrl\":\"https:\/\/mavimare-staging.kotuko.rocks\/wp-content\/uploads\/2023\/06\/mavimare_logo.svg\",\"width\":1,\"height\":1,\"caption\":\"MaviMare & Mancini SRL\"},\"image\":{\"@id\":\"https:\/\/mavimare-staging.kotuko.rocks\/en\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Steering system for inboard Archivi - MaviMare","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_GB","og_type":"article","og_title":"Steering system for inboard Archivi - MaviMare","og_description":"INBOARD HYDRAULIC STEERING SYSTEMS**  \u00a0Boat lenght up to 20 ft. 30 ft. 40 ft. 44 ft. 45 ft. 55 ft. 60 ft.  \u00a0Single engine pleasure GE30 GE50 GE75 GE75 GE180 GE350 GE560  \u00a0Single engine work\u00a0engine work GE30 GE50 GE75 GE100 GE180 GE560 GE560  \u00a0Double engine pleasure GE50 GE50 GE75 GE100 GE350 GE560 GE560  \u00a0Double\u00a0engine work GE50 GE75 GE100 GE100 GE350 GE560 GE560  \u00a0 \u00a0**Table data are only indicative, the choice of the inboard hydraulic steering system is subordinate to the torque calculation formula. SELECTION OF A HYDRAULIC STEERING SYSTEM For boat fitted with a rudder with speed not exceeding 25 knot, the torque of the rudder or rudders is\u00a0 calculated according to the following formula and corrections.It must be known that the torque necessary to manoeuvre a boat depends on:&#8211; the speed of the water flowing on the surface of the rudder at a certain angle (not max speed).&#8211; the rudder size.&#8211; the total sweep of the rudder (and part of the boat), if the rudder shaft is not perpendicular.&#8211; the compensating surface of the rudder. \u00a0 INBOARD HYDRAULIC STEERING SYSTEMS (Torque calculation formula) Torque Calculation Formula for Speed below 25 Knots Qr =A x [(0,4b) \u2013 e ] x V\u00b2 x K Qr = torque in kgmA = Total surface of rudder ( h x b ) in sqmh = height of rudder in m.b = Width of rudder in m.e = Compensation width in m.V = (Maximum speed) of the boat in knots.K = Coefficient according to total angle of rudderPort to starboard 70\u00b0 K = 15,89Port to starboard 80\u00b0 K = 17,80Port to starboard 90\u00b0 K = 19,52 Corrections in function of the type of boat:&#8211; for sailing boat Qr x 0,5&#8211; f or a boat with a steering nozzle Qr x 2.0&#8211; for twin engine power boat with 1 rudder Qr x 0,5&#8211; for boat fitted with several rudder (catamarans, trimarans, monohulls) multiply the calculated torque result by the number of rud ders fitted on the boat.Once the torque is known, the appropriate cylinder is selected and one or two manuals pumps will be addedaccordingly. 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