{"title":"Ronstan Track Sectional, Mechanical \u0026 Curved Track Data","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cstyle\u003e.mpom .om-tbl.nw td+td{white-space:nowrap}.mpom details.om-dd{position:relative;margin:0}.mpom details.om-dd\u003esummary{list-style:none;cursor:pointer}.mpom details.om-dd\u003esummary::-webkit-details-marker{display:none}.mpom .om-dd-menu{position:absolute;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:360px;background:#fff;border:1px solid #e3e5e8;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:30;padding:6px}.mpom .om-dd-menu a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:14px;font-weight:600;color:#2a2b2a!important;text-decoration:none!important}.mpom .om-dd-menu a:hover{background:#f5f6f8}.mpom .om-dd-menu small{font-weight:400;color:#5f6368;white-space:nowrap}\u003c\/style\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag ss\"\u003eSELECTION GUIDE\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eSection properties of Ronstan beam tracks (moments of inertia, centroid, cross-sectional area, alloy yield values) and the minimum bend radius for each traveller car length, to size a spanning traveller or order a curved track.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eRonstan Track Sectional, Mechanical \u0026amp; Curved Track Data\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 1 page · 0.2 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\n\u003cdetails class=\"om-dd\"\u003e\u003csummary class=\"om-btn dl\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF ▾\u003c\/summary\u003e\u003cdiv class=\"om-dd-menu\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Ronstan-Track-Sectional-Mechanical-Data.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eRonstan Track Sectional Mechanical Data\u003c\/span\u003e\u003csmall\u003ePDF · 1 p.\u003c\/small\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Ronstan-Curved-Track-Data-Minimum-Bend-Radius.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eCurved track data (minimum bend radius)\u003c\/span\u003e\u003csmall\u003ePDF · 1 p.\u003c\/small\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003ca class=\"om-btn buy\" href=\"\/collections\/ronstan-sailboat-traveler-genoa-tracks\"\u003eView Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-beam\"\u003eBeam Tracks\u003c\/a\u003e\u003ca href=\"#om-bend\"\u003eBend Radius\u003c\/a\u003e\u003ca href=\"#om-curve\"\u003eCurved Track\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RON-RC1425-30.jpg?v=1728043187\" alt=\"Ronstan Track Sectional, Mechanical \u0026amp; Curved Track Data\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-beam\"\u003e\n\u003ch2 class=\"om-h\"\u003eBeam Track Sectional \u0026amp; Mechanical Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBeam tracks span cockpits, companionways and unsupported deck sections where fastening options are restricted, or to avoid building extra support structure into the boat. Have the designer or builder choose the section for the application.\u003c\/li\u003e\n\u003cli\u003eBeam tracks for ball bearing cars are supplied without holes; custom hole arrangements can be drilled on request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003cth\u003eIx\u003c\/th\u003e\n\u003cth\u003eIy\u003c\/th\u003e\n\u003cth\u003ey (centroid)\u003c\/th\u003e\n\u003cth\u003eCSA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC6190\u003c\/td\u003e\n\u003ctd\u003e14294mm4 (0.0343in4)\u003c\/td\u003e\n\u003ctd\u003e4219mm4 (0.0101in4)\u003c\/td\u003e\n\u003ctd\u003e12.56mm (0.4945\")\u003c\/td\u003e\n\u003ctd\u003e196mm² (0.3038in²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC6320\u003c\/td\u003e\n\u003ctd\u003e59000mm4 (0.1417in4)\u003c\/td\u003e\n\u003ctd\u003e30360mm4 (0.0729in4)\u003c\/td\u003e\n\u003ctd\u003e16.96mm (0.6677\")\u003c\/td\u003e\n\u003ctd\u003e471mm² (0.7301in²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC1225B-2.0\u003c\/td\u003e\n\u003ctd\u003e133881mm4 (0.3217in4)\u003c\/td\u003e\n\u003ctd\u003e98716mm4 (0.2372in4)\u003c\/td\u003e\n\u003ctd\u003e20.2mm (0.7957\")\u003c\/td\u003e\n\u003ctd\u003e836 mm² (1.2969in²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC1225-3.0\u003c\/td\u003e\n\u003ctd\u003e664730mm4 (1.5970in4)\u003c\/td\u003e\n\u003ctd\u003e184248mm4 (0.4427in4)\u003c\/td\u003e\n\u003ctd\u003e42.3mm (1.6654\")\u003c\/td\u003e\n\u003ctd\u003e768mm² (1.1904in²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC1305B-3.0\u003c\/td\u003e\n\u003ctd\u003e338641mm4 (0.8136in4)\u003c\/td\u003e\n\u003ctd\u003e202808mm4 (0.4872in4)\u003c\/td\u003e\n\u003ctd\u003e26.9mm (1.0591\")\u003c\/td\u003e\n\u003ctd\u003e1051mm² (1.6291in²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRC1425-3.0\u003c\/td\u003e\n\u003ctd\u003e797749mm4 (1.9166in4)\u003c\/td\u003e\n\u003ctd\u003e558530mm4 (1.3419in4)\u003c\/td\u003e\n\u003ctd\u003e34.7mm (1.3611\")\u003c\/td\u003e\n\u003ctd\u003e1687mm² (2.6149in²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"height:16px\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eApplies to\u003c\/th\u003e\n\u003cth\u003eValues printed as σ yield\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium alloy AL6005-T6\u003c\/td\u003e\n\u003ctd\u003eAll tracks unless otherwise stated\u003c\/td\u003e\n\u003ctd\u003e225 MPa (32.6 ksi); 270 MPa (39.2 ksi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium alloy AL6063-T6\u003c\/td\u003e\n\u003ctd\u003eRC1225-3.0\u003c\/td\u003e\n\u003ctd\u003e170 MPa (24.7 ksi); 215 MPa (31.2 ksi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium alloy AL6061-T6\u003c\/td\u003e\n\u003ctd\u003eRC6190, RC6320\u003c\/td\u003e\n\u003ctd\u003e240 MPa (34.1 ksi); 290 MPa (42.1 ksi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eTwo values are printed for each alloy, both labelled σ yield (as printed). Section drawings with overall dimensions below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Ronstan-Beam-Track-Sections-Chart.png\" alt=\"Ronstan beam track section drawings RC6190, RC6320, RC1225B-2.0, RC1225-3.0, RC1305B-3.0, RC1425-3.0\" style=\"width:100%;height:auto;border:1px solid #e3e5e8;border-radius:6px;margin:0\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-bend\"\u003e\n\u003ch2 class=\"om-h\"\u003eMinimum Bend Radius by Car Length\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTraveller series\u003c\/th\u003e\n\u003cth\u003eCar length mm\u003c\/th\u003e\n\u003cth\u003eMin. horizontal A-bend radius mm\u003c\/th\u003e\n\u003cth\u003eMin. horizontal B-bend radius mm\u003c\/th\u003e\n\u003cth\u003eCar length in\u003c\/th\u003e\n\u003cth\u003eA-bend radius in\u003c\/th\u003e\n\u003cth\u003eB-bend radius in\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries 14\u003c\/td\u003e\n\u003ctd\u003e47\u003c\/td\u003e\n\u003ctd\u003e1300\u003c\/td\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e1 27\/32\u003c\/td\u003e\n\u003ctd\u003e51 7\/32\u003c\/td\u003e\n\u003ctd\u003e31 17\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1400\u003c\/td\u003e\n\u003ctd\u003e970\u003c\/td\u003e\n\u003ctd\u003e1 31\/32\u003c\/td\u003e\n\u003ctd\u003e55 1\/8\u003c\/td\u003e\n\u003ctd\u003e38 7\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e68\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003e2 11\/16\u003c\/td\u003e\n\u003ctd\u003e78 13\/16\u003c\/td\u003e\n\u003ctd\u003e78 13\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e78\u003c\/td\u003e\n\u003ctd\u003e3500\u003c\/td\u003e\n\u003ctd\u003e4500\u003c\/td\u003e\n\u003ctd\u003e3 1\/16\u003c\/td\u003e\n\u003ctd\u003e137 29\/32\u003c\/td\u003e\n\u003ctd\u003e177 5\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries 19\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003e1 31\/32\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e27 29\/32 (as printed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003e3000\u003c\/td\u003e\n\u003ctd\u003e2 3\/4\u003c\/td\u003e\n\u003ctd\u003e98 1\/2\u003c\/td\u003e\n\u003ctd\u003e118 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e3500\u003c\/td\u003e\n\u003ctd\u003e4500\u003c\/td\u003e\n\u003ctd\u003e3 11\/32\u003c\/td\u003e\n\u003ctd\u003e137 29\/32\u003c\/td\u003e\n\u003ctd\u003e177 5\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e5000\u003c\/td\u003e\n\u003ctd\u003e5500\u003c\/td\u003e\n\u003ctd\u003e3 15\/16\u003c\/td\u003e\n\u003ctd\u003e197\u003c\/td\u003e\n\u003ctd\u003e216 11\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries 22\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003e2 31\/32\u003c\/td\u003e\n\u003ctd\u003e59 3\/32\u003c\/td\u003e\n\u003ctd\u003e78 13\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e5000\u003c\/td\u003e\n\u003ctd\u003e5000\u003c\/td\u003e\n\u003ctd\u003e4 15\/16\u003c\/td\u003e\n\u003ctd\u003e197\u003c\/td\u003e\n\u003ctd\u003e197\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e175\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003e13000\u003c\/td\u003e\n\u003ctd\u003e6 29\/32\u003c\/td\u003e\n\u003ctd\u003e354 19\/32\u003c\/td\u003e\n\u003ctd\u003e512 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e180\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003e13000\u003c\/td\u003e\n\u003ctd\u003e7 3\/32\u003c\/td\u003e\n\u003ctd\u003e354 19\/32\u003c\/td\u003e\n\u003ctd\u003e512 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries 26\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003e4 1\/8\u003c\/td\u003e\n\u003ctd\u003e98 13\/32\u003c\/td\u003e\n\u003ctd\u003e98 13\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003ctd\u003e4 23\/32\u003c\/td\u003e\n\u003ctd\u003e157 19\/32\u003c\/td\u003e\n\u003ctd\u003e157 19\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e8000\u003c\/td\u003e\n\u003ctd\u003e8000\u003c\/td\u003e\n\u003ctd\u003e7 7\/8\u003c\/td\u003e\n\u003ctd\u003e315 3\/16\u003c\/td\u003e\n\u003ctd\u003e315 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e205\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003e2 1\/16 (as printed)\u003c\/td\u003e\n\u003ctd\u003e354 19\/32\u003c\/td\u003e\n\u003ctd\u003e354 19\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e210\u003c\/td\u003e\n\u003ctd\u003e9400\u003c\/td\u003e\n\u003ctd\u003e9400\u003c\/td\u003e\n\u003ctd\u003e8 1\/4\u003c\/td\u003e\n\u003ctd\u003e370 3\/32\u003c\/td\u003e\n\u003ctd\u003e370 3\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries 30\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003e3 15\/16\u003c\/td\u003e\n\u003ctd\u003e98 1\/2\u003c\/td\u003e\n\u003ctd\u003e98 1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003ctd\u003e2875\u003c\/td\u003e\n\u003ctd\u003e2875\u003c\/td\u003e\n\u003ctd\u003e4 1\/4\u003c\/td\u003e\n\u003ctd\u003e113 3\/16\u003c\/td\u003e\n\u003ctd\u003e113 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003ctd\u003e4900\u003c\/td\u003e\n\u003ctd\u003e4900\u003c\/td\u003e\n\u003ctd\u003e4 23\/32\u003c\/td\u003e\n\u003ctd\u003e192 1\/32\u003c\/td\u003e\n\u003ctd\u003e192 1\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e8000\u003c\/td\u003e\n\u003ctd\u003e8000\u003c\/td\u003e\n\u003ctd\u003e5 29\/32\u003c\/td\u003e\n\u003ctd\u003e315 3\/16\u003c\/td\u003e\n\u003ctd\u003e315 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e210\u003c\/td\u003e\n\u003ctd\u003e12400\u003c\/td\u003e\n\u003ctd\u003e12400\u003c\/td\u003e\n\u003ctd\u003e8 1\/4\u003c\/td\u003e\n\u003ctd\u003e488 3\/16\u003c\/td\u003e\n\u003ctd\u003e488 3\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e16000\u003c\/td\u003e\n\u003ctd\u003e16000\u003c\/td\u003e\n\u003ctd\u003e8 7\/8\u003c\/td\u003e\n\u003ctd\u003e630 13\/32\u003c\/td\u003e\n\u003ctd\u003e630 13\/32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e332\u003c\/td\u003e\n\u003ctd\u003e22500\u003c\/td\u003e\n\u003ctd\u003e22500\u003c\/td\u003e\n\u003ctd\u003e13 1\/16\u003c\/td\u003e\n\u003ctd\u003e885 13\/16\u003c\/td\u003e\n\u003ctd\u003e885 13\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI-Track 19\u003c\/td\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e400 *\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e15 3\/4\u003c\/td\u003e\n\u003ctd\u003e15 3\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003e1200\u003c\/td\u003e\n\u003ctd\u003eNot suitable\u003c\/td\u003e\n\u003ctd\u003e3 3\/8\u003c\/td\u003e\n\u003ctd\u003e47 1\/4\u003c\/td\u003e\n\u003ctd\u003eNot suitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI-Track 32\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e500 *\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e19 11\/16\u003c\/td\u003e\n\u003ctd\u003e20 (as printed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e157\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003eNot suitable\u003c\/td\u003e\n\u003ctd\u003e6 3\/16\u003c\/td\u003e\n\u003ctd\u003e19 11\/16\u003c\/td\u003e\n\u003ctd\u003eNot suitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eBall bearing traveller Series 14 to 30 and I-Track. * B-bends for I-Track 19 and 32 have length and radius limitations: ask with your requirements. Ronstan gives minimum bend radii for Series 42 and 55 traveller cars on request.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-curve\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eA-Bend and B-Bend\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e'A' bend (horizontal, plan view): for cars and fittings that rotate around a central pivot, so the load on the car stays vertical; keeps full strength, free rolling and constant purchase tension (mainsheet and boom vang travellers).\u003c\/li\u003e\n\u003cli\u003e'B' bend (vertical, concave or convex, top mounted or underhung): to match deck camber, or to keep constant tension in a purchase on the car, popular on mainsheet and self-tacking jib systems.\u003c\/li\u003e\n\u003cli\u003eIn a ball bearing system a bend can reduce the load capacity by loading the balls unevenly along the car. Not all track types take both bends and some cannot be curved at all.\u003c\/li\u003e\n\u003cli\u003eThe minimum radius is the tightest curve the car will run around freely. Light bends can be \"sprung in\" during installation, taking great care to keep the curve even, with no tight spots and no permanent deformation; for best results order the track pre-bent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eOrdering a Curved Track\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eSpecify the track profile by product no.\u003c\/li\u003e\n\u003cli\u003eIndicate the bend: 'A' (horizontal) or 'B' (vertical), concave or convex.\u003c\/li\u003e\n\u003cli\u003eGive two critical dimensions (three if possible) and clear drawings where possible: radius R and offset O, or R and track length L, or R and chord length C, or offset O and chord length C.\u003c\/li\u003e\n\u003cli\u003eWhere R is not known it is easiest to specify C and O; the radius the track follows MUST then be constant.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Selection Guide\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"ronrc1225b-20","title":"Ronstan Track Series 22 Beam Undrilled Traveller (Black) - Alloy - Length: 6.6 ft (2000.0 mm)","description":"\u003cp\u003e\u003cb\u003eApplications:\u003c\/b\u003e\n\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet systems on boats to 10m (33ft)\u003c\/li\u003e\n\u003cli\u003eGenoa sheet systems on boats to 11m (36ft)\u003c\/li\u003e\n\u003cli\u003eSpinnaker pole systems on boats to 10m (33ft)\u003c\/li\u003e\n\u003cli\u003eOuthaul car for boats to 8m (26ft)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e Our Part # RONRC1225B-20 | Ronstan Part # RC1225B-2.0\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347952181554,"sku":"RONRC1225B-20","price":368.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC1225B-20.jpg?v=1735834779"},{"product_id":"ronrc6320r500a","title":"Ronstan Track Series 32 I-Beam Track 'A' Bend (Black) - Aluminum alloy - Length: 3.9 ft (1195.4 mm)","description":"\u003cp\u003eThe Ronstan Series 32 I-Beam Safety Rail System is designed to provide the highest level of protection and safety for crew on commercial work boats when working on deck or outside the safety of the vessel's cabin.\u003c\/p\u003e\u003cp\u003eOur Part # RONRC6320R500A | Ronstan Part # RC6320R500A\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347988062514,"sku":"RONRC6320R500A","price":192.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC6320R500A.jpg?v=1728047329"},{"product_id":"ronrc6320r515a","title":"Ronstan Track Series 32 I-Beam Track 'A' Bend (Black) - Aluminum alloy - Length: 6.5 ft (1996.0 mm) - 15 Degree Deflection","description":"\u003cp\u003eThe Ronstan Series 32 I-Beam Safety Rail System is designed to provide the highest level of protection and safety for crew on commercial work boats when working on deck or outside the safety of the vessel's cabin.\u003c\/p\u003e\u003cp\u003eOur Part # RONRC6320R515A | Ronstan Part # RC6320R515A\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347999957298,"sku":"RONRC6320R515A","price":203.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC6320R515A.jpg?v=1728034479"},{"product_id":"ronrc632010","title":"Ronstan Track Series 32 I-Beam (Black) - Aluminum alloy - Length: 3.3 ft (996.0 mm)","description":"\u003cp\u003eIncludes: RC7250-INS insulating inserts to eliminate corrosion between track and fasteners\u003cbr\u003e\nTrack Fastenings to suit 6 mm (1\/4\") countersunk fasteners at 100 mm (3 15\/16\") centres. Stop Holes 50 mm (2\") centres.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMaterials\u003c\/b\u003e\u003cbr\u003e\n\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMade of anodised aluminium alloy.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eMinimum Curve Radius\u003c\/b\u003e\u003cbr\u003e\n\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor 76 mm (3\") car:\u003cbr\u003e\nMin horz. 'A' curve radius = 600 mm (24\"). Min horizontal 'B' curve radius = 500 mm (20\").\u003c\/li\u003e\n\u003cli\u003eFor 157 mm (6 3\/16\") car:\u003cbr\u003e\nMin horz. 'A' curve radius = 600 mm (24\"). Min horz. 'B' curve radius N\/S.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003cbr\u003e\n\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet and self-tacking jib travellers on dinghies and catamarans.\u003c\/li\u003e\n\u003cli\u003eMainsheet systems on boats to 12 m (40 ft).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e Our Part # RONRC632010 | Ronstan Part # RC6320-1.0\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348177035570,"sku":"RONRC632010","price":144.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC632010.jpg?v=1728042228"},{"product_id":"ronrc632015","title":"Ronstan Track Series 32 I-Beam (Black) - Aluminum alloy - Length: 4.9 ft (1496.0 mm)","description":"\u003cp\u003eThe Ronstan Track Series 32 I-Beam #RC6320-1.5 is perfect for sailors looking for a reliable self-tacking jib track. Made from durable anodised aluminum alloy, this track is designed to eliminate corrosion and ensure smooth sailing. It's a solid choice for mainsheet systems on boats up to 12 meters.\u003c\/p\u003e  \u003cp\u003eCrafted from anodised aluminum alloy, the track measures 4.9 ft (1496.0 mm) in length and is built to handle the demands of sailing. It offers flexibility with a minimum curve radius of 600 mm (24\") for various car types, making it versatile for different sailing setups. Ideal for use on dinghies, catamarans, and boats up to 12 meters, it ensures smooth operation and reliability.\u003c\/p\u003e \u003cb\u003eUsage\u003c\/b\u003e \u003cp\u003eThis track is ideal for mainsheet and self-tacking jib travellers on dinghies and catamarans. It's also suitable for mainsheet systems on larger boats up to 12 meters (40 ft), ensuring efficient sailing performance.\u003c\/p\u003e \u003cp\u003e Our Part # RONRC632015 | Mfr. Part # RC6320-1.5 \u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348394647858,"sku":"RONRC632015","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC632015.jpg?v=1728331950"},{"product_id":"ronrc6320r125a","title":"Ronstan Track Series 32 I-Beam Track 'A' Bend (Black) - Aluminum alloy - Length: 0.9 ft (293.0 mm)","description":"\u003cp\u003eThe Ronstan Series 32 I-Beam Safety Rail System is designed to provide the highest level of protection and safety for crew on commercial work boats when working on deck or outside the safety of the vessel’s cabin.\u003c\/p\u003e\u003cp\u003e Our Part # RONRC6320R125A | Mfr. Part # RC6320R125A\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348438884658,"sku":"RONRC6320R125A","price":511.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC6320R125A.jpg?v=1728031204"},{"product_id":"ronrc632020","title":"Ronstan Track Series 32 I-Beam (Black) - Aluminum alloy - Length: 6.5 ft (1996.0 mm)","description":"\u003cp\u003eThe Track Series 32 I-Beam #RC6320-2.0 is perfect for enhancing your sailing experience with its robust design. Crafted from durable aluminum alloy, it ensures longevity and performance on the water. Whether you're outfitting a dinghy or a catamaran, this track system provides reliable support.\u003c\/p\u003e  \u003cp\u003eThis track measures 6.5 ft (1996.0 mm) in length and is constructed from a high-quality anodized aluminum alloy, ensuring strength and resilience. It's designed to work with mainsheet and self-tacking jib travelers on smaller sailing vessels like dinghies and catamarans, or mainsheet systems on boats up to 12 m (40 ft). With an adaptable design, it fits curves with a minimum radius of 600 mm for larger cars and 500 mm for smaller ones, making it versatile for various sailing applications.\u003c\/p\u003e \u003cb\u003eUsage\u003c\/b\u003e \u003cp\u003eIdeal for use on dinghies and catamarans, this track supports mainsheet and self-tacking jib travelers. It's also suitable for mainsheet systems on larger boats up to 40 ft, providing flexibility and reliability across different sailing setups.\u003c\/p\u003e \u003cp\u003e Our Part # RONRC632020 | Mfr. Part # RC6320-2.0 \u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348670128434,"sku":"RONRC632020","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC632020.jpg?v=1728062222"},{"product_id":"ronrc632030","title":"Ronstan Track Series 32 I-Beam (Black) - Aluminum alloy - Length: 9.8 ft (2996.0 mm)","description":"\u003cp\u003eThe Ronstan Track Series 32 I-Beam #RC6320-3.0 is your go-to black track for reliable and efficient sailing solutions. Designed for smooth performance, it comes with insulating inserts to prevent corrosion, making it perfect for long-lasting use. Whether you're fitting it on dinghies or catamarans, this track ensures that your mainsheet systems operate seamlessly.\u003c\/p\u003e  \u003cp\u003eThis track is crafted from high-quality anodized aluminum alloy, ensuring both strength and a sleek appearance. With a length of 9.8 ft (2996.0 mm), it offers versatility in various sailing applications. Compatibility extends to mainsheet and self-tacking jib travelers on small boats and larger mainsheet systems on vessels up to 12 m (40 ft).\u003c\/p\u003e \u003cb\u003eUsage\u003c\/b\u003e \u003cp\u003eIdeal for enhancing mainsheet and jib traveler systems on dinghies and catamarans, as well as mainsheet setups on larger boats. Its design accommodates different curve radii, making it adaptable to various vessel types and sailing conditions.\u003c\/p\u003e \u003cp\u003e Our Part # RONRC632030 | Mfr. Part # RC6320-3.0 \u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348770595122,"sku":"RONRC632030","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC632030.jpg?v=1728052659"},{"product_id":"ronrc122530","title":"Ronstan Track Series 22 Beam Undrilled Traveller (Black) - Alloy - Length: 9.8 ft (2996.0 mm)","description":"\u003cp\u003eUndrilled. Beam track can be used for unsupported spans to bridge cockpits and companionway hatches.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eApplications:\u003c\/b\u003e\n \u003c\/p\u003e\u003cul\u003e\n \u003cli\u003eMainsheet systems on boats to 10m (33ft)\u003c\/li\u003e\n \u003cli\u003eGenoa sheet systems on boats to 11m (36ft)\u003c\/li\u003e\n \u003cli\u003eSpinnaker pole systems on boats to 10m (33ft)\u003c\/li\u003e\n \u003cli\u003eOuthaul car for boats to 8m (26ft)\u003c\/li\u003e\n \u003c\/ul\u003e\u003cp\u003e Our Part # RONRC122530 | Mfr. Part # RC1225-3.0\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348969922866,"sku":"RONRC122530","price":368.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRC122530.jpg?v=1728038344"},{"product_id":"ron-rc1425-30","title":"Ronstan Track Series 42 Beam Undrilled Traveller (Black) - Alloy - Length: 9.8 ft (2996.0 mm)","description":"\u003cp\u003eTrack Fastenings: 10mm (3\/8 in) countersunk fasteners at 100mm (3 15\/16 in) centres.\u003cbr\u003e\n Stop Holes: 50mm (1 31\/32 in) centres.\u003c\/p\u003e\u003cp\u003e Our Part # RON-RC1425-30 | Mfr. Part # RC1425-3.0\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49349014552882,"sku":"RON-RC1425-30","price":683.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RON-RC1425-30.jpg?v=1728043187"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/RON-RC1425-30_12e6e817-e5b4-4a1c-b64c-0fa15f338389.jpg?v=1792713236","url":"https:\/\/www.mauripro.com\/collections\/selection-guides-ronstan-track-sectional-mechanical-curved-data.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}