{"title":"Edson Quadrants, Radial Drive Wheels \u0026 Tiller Arms — Installation Instructions","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\"\u003eINSTALLATION MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eHow to secure an Edson quadrant, Radial Drive wheel or autopilot tiller arm to the rudderpost, and what to measure and choose when ordering one machined for your boat (sizes, hub data and idler distances).\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eEdson Quadrants, Radial Drive Wheels \u0026amp; Tiller Arms Installation Instructions\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\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\/Edson-Quadrants-Radial-Drive-Wheels-Tiller-Arms-Installation.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eInstallation Manual\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\/Edson-Quadrant-Radial-Drive-Wheel-Ordering-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eQuadrant \u0026amp; radial drive wheel data sheet (EB-374)\u003c\/span\u003e\u003csmall\u003ePDF · 3 p.\u003c\/small\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Edson-Autopilot-Tiller-Arm-Ordering-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eAutopilot tiller arm installation worksheet (EB-373)\u003c\/span\u003e\u003csmall\u003ePDF · 3 p.\u003c\/small\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-install\"\u003eSecuring to the Post\u003c\/a\u003e\u003ca href=\"#om-order\"\u003eOrdering\u003c\/a\u003e\u003ca href=\"#om-quad\"\u003eQuadrants\u003c\/a\u003e\u003ca href=\"#om-radial\"\u003eRadial Drive\u003c\/a\u003e\u003ca href=\"#om-tiller\"\u003eTiller Arms\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\/Edson-Quadrants-Radial-Drive-Wheels-Tiller-Arms-Installation-Cover.png\" alt=\"Edson Quadrants, Radial Drive Wheels \u0026amp; Tiller Arms — Installation Instructions\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-install\"\u003e\n\u003ch2 class=\"om-h\"\u003eSecurement Methods (EB-380-2)\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eAll Edson quadrants, Radial Drive wheels and tiller arms are machined to a -.003\" to -.005\" clamping tolerance from the rudderpost diameter given with the order. That fit is very tight but will not stop the hub turning under extreme rudder loads: a mechanical fastener must always be used.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMethod\u003c\/th\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003cth\u003eHow\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft key \/ keyway\u003c\/td\u003e\n\u003ctd\u003eMost common on solid rudderposts; allows some up\/down adjustment\u003c\/td\u003e\n\u003ctd\u003eCheck for an existing keyway on the post; both keyways must line up at the final position.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet screws\u003c\/td\u003e\n\u003ctd\u003eAlternative to key or pin; solid and hollow posts\u003c\/td\u003e\n\u003ctd\u003eClamp the part in place, drill into the post with a 5\/16\" bit through a pre-drilled hole, tap part and post together with a 3\/8\"-16 blind tap, fit the set screw, repeat on the other side. Thread the screws into the post to a depth equal to the screw diameter: just tightening them on the post is not enough and can damage the part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrough-bolt (pinned)\u003c\/td\u003e\n\u003ctd\u003eMost common on hollow rudderposts\u003c\/td\u003e\n\u003ctd\u003eEdson supplies the pin for your post diameter and drills only half of the hub. At the final position use that hole as a guide to drill through the post and the opposite side of the hub.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eTurn the wheel hard over for working room when drilling, and use tapping grease on stainless and metal posts. Contact your boat builder before drilling or modifying a composite or carbon rudder shaft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-order\"\u003e\n\u003ch2 class=\"om-h\"\u003eWhat Edson Needs to Machine Yours\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRudderpost diameter, measured with digital calipers to 0.001\" (e.g. 2.375\"). Quadrants, radials and tiller arms are custom machined and NON-RETURNABLE.\u003c\/li\u003e\n\u003cli\u003eIdentify an existing quadrant or radial by its “FIG” number (the part number to order); casting numbers marked “PART” refer to only part of it. Otherwise measure from the centre of the bore to the edge: that radius is the size (676-12 = quadrant, 12\" radius).\u003c\/li\u003e\n\u003cli\u003eSecurement: key (key stock sold separately in 1\/4\", 1\/2\" and 3\/8\"), through bolt (3\/8-inch standard) or set screws (3\/8-inch standard, only if key or bolt are not possible). Standard keyways sit at 0° and 180°; non-standard keyways within 20° of 270° and 90° are reviewed before the order is accepted.\u003c\/li\u003e\n\u003cli\u003eSquare rudder posts: give the leg length of the square and how its corners point (points fore and aft at 0° and 180°, or flats fore and aft with the points at 135° and 315°).\u003c\/li\u003e\n\u003cli\u003eNever attach an autopilot directly to the quadrant or radial drive wheel: use an independent autopilot tiller arm (an “electronic emergency tiller” if the steering gear or a cable fails).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-quad\"\u003e\n\u003ch2 class=\"om-h\"\u003eQuadrants (676)\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart#\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eBoat L.O.A. (ft)\u003c\/th\u003e\n\u003cth\u003eRadius in (cm)\u003c\/th\u003e\n\u003cth\u003eHub height in (cm)\u003c\/th\u003e\n\u003cth\u003eWeight lbs (kg)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-8\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003eup to 35\u003c\/td\u003e\n\u003ctd\u003e8 (20.3)\u003c\/td\u003e\n\u003ctd\u003e1 9\/16 (4.0)\u003c\/td\u003e\n\u003ctd\u003e12 (5.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-10\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e35-45\u003c\/td\u003e\n\u003ctd\u003e10 (25.4)\u003c\/td\u003e\n\u003ctd\u003e1 9\/16 (4.0)\u003c\/td\u003e\n\u003ctd\u003e12 (5.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-12\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e40-50\u003c\/td\u003e\n\u003ctd\u003e12 (30.5)\u003c\/td\u003e\n\u003ctd\u003e1 9\/16 (4.0)\u003c\/td\u003e\n\u003ctd\u003e15 (5.6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-14\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e45-55\u003c\/td\u003e\n\u003ctd\u003e14 (35.6)\u003c\/td\u003e\n\u003ctd\u003e1 9\/16 (4.0)\u003c\/td\u003e\n\u003ctd\u003e17 (7.7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-16\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e50-60\u003c\/td\u003e\n\u003ctd\u003e16 (40.6)\u003c\/td\u003e\n\u003ctd\u003e2 1\/2 (6.4)\u003c\/td\u003e\n\u003ctd\u003e36 (16.3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-18\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e55-65\u003c\/td\u003e\n\u003ctd\u003e18 (45.7)\u003c\/td\u003e\n\u003ctd\u003e2 1\/2 (6.4)\u003c\/td\u003e\n\u003ctd\u003e36 (16.3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676AL-18\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003e55-65\u003c\/td\u003e\n\u003ctd\u003e18 (45.7)\u003c\/td\u003e\n\u003ctd\u003e2 1\/2 (6.4)\u003c\/td\u003e\n\u003ctd\u003e15 (6.8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-20\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e60-70\u003c\/td\u003e\n\u003ctd\u003e20 (50.8)\u003c\/td\u003e\n\u003ctd\u003e2 1\/2 (6.4)\u003c\/td\u003e\n\u003ctd\u003e40 (18.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676BR-24\u003c\/td\u003e\n\u003ctd\u003eBronze\u003c\/td\u003e\n\u003ctd\u003e70-90\u003c\/td\u003e\n\u003ctd\u003e24 (61.0)\u003c\/td\u003e\n\u003ctd\u003e2 1\/2 (6.4)\u003c\/td\u003e\n\u003ctd\u003e46 (20.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e676AL-24\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003e70-90\u003c\/td\u003e\n\u003ctd\u003e24 (61.0)\u003c\/td\u003e\n\u003ctd\u003e2 1\/2 (6.4)\u003c\/td\u003e\n\u003ctd\u003e19 (8.6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eWeights of the 676BR-10 and 676BR-12 are copied as printed (the kg values do not follow the lbs). Quadrants are mostly manganese bronze, radials heat-treated anodized aluminum.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-radial\"\u003e\n\u003ch2 class=\"om-h\"\u003eRadial Drive Wheels (777 \/ 800 \/ 802)\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart#\u003c\/th\u003e\n\u003cth\u003eBoat L.O.A. (ft)\u003c\/th\u003e\n\u003cth\u003eRadius in (cm)\u003c\/th\u003e\n\u003cth\u003eOutside dia. in (cm)\u003c\/th\u003e\n\u003cth\u003eMax bore in (cm)\u003c\/th\u003e\n\u003cth\u003eWeight lbs (kg)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777-6.5\u003c\/td\u003e\n\u003ctd\u003eto 30\u003c\/td\u003e\n\u003ctd\u003e6.5 (15.5)\u003c\/td\u003e\n\u003ctd\u003e13 (33.0)\u003c\/td\u003e\n\u003ctd\u003e2.875 (7.3)\u003c\/td\u003e\n\u003ctd\u003e6.5 (2.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777-8\u003c\/td\u003e\n\u003ctd\u003eto 35\u003c\/td\u003e\n\u003ctd\u003e8 (20.3)\u003c\/td\u003e\n\u003ctd\u003e16 (40.6)\u003c\/td\u003e\n\u003ctd\u003e2.875 (7.3)\u003c\/td\u003e\n\u003ctd\u003e7.5 (3.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777-10\u003c\/td\u003e\n\u003ctd\u003e36-41\u003c\/td\u003e\n\u003ctd\u003e10 (25.4)\u003c\/td\u003e\n\u003ctd\u003e21 (53.3)\u003c\/td\u003e\n\u003ctd\u003e3.375 (8.6)\u003c\/td\u003e\n\u003ctd\u003e10.5 (4.7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777-12\u003c\/td\u003e\n\u003ctd\u003e42-48\u003c\/td\u003e\n\u003ctd\u003e12 (30.5)\u003c\/td\u003e\n\u003ctd\u003e25 (63.5)\u003c\/td\u003e\n\u003ctd\u003e3.375 (8.6)\u003c\/td\u003e\n\u003ctd\u003e22 (10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e800-8\u003c\/td\u003e\n\u003ctd\u003eto 35\u003c\/td\u003e\n\u003ctd\u003e8 (20.3)\u003c\/td\u003e\n\u003ctd\u003e16 (40.6)\u003c\/td\u003e\n\u003ctd\u003e3.5 (8.9)\u003c\/td\u003e\n\u003ctd\u003e8 (3.6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e800-10\u003c\/td\u003e\n\u003ctd\u003e36-41\u003c\/td\u003e\n\u003ctd\u003e10 (25.4)\u003c\/td\u003e\n\u003ctd\u003e21 (53.3)\u003c\/td\u003e\n\u003ctd\u003e4.5 (11.4)\u003c\/td\u003e\n\u003ctd\u003e13 (5.9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e800-12\u003c\/td\u003e\n\u003ctd\u003e42-48\u003c\/td\u003e\n\u003ctd\u003e12 (30.5)\u003c\/td\u003e\n\u003ctd\u003e25 (63.5)\u003c\/td\u003e\n\u003ctd\u003e4.5 (11.4)\u003c\/td\u003e\n\u003ctd\u003e23 (10.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e802-8\u003c\/td\u003e\n\u003ctd\u003eto 35\u003c\/td\u003e\n\u003ctd\u003e8 (20.3)\u003c\/td\u003e\n\u003ctd\u003e17 (43.2)\u003c\/td\u003e\n\u003ctd\u003e6 (15.2)\u003c\/td\u003e\n\u003ctd\u003e14 (6.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e802-10\u003c\/td\u003e\n\u003ctd\u003e36-41\u003c\/td\u003e\n\u003ctd\u003e10 (25.4)\u003c\/td\u003e\n\u003ctd\u003e21 (53.3)\u003c\/td\u003e\n\u003ctd\u003e6 (15.2)\u003c\/td\u003e\n\u003ctd\u003e16 (7.3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e802-12\u003c\/td\u003e\n\u003ctd\u003e42-48\u003c\/td\u003e\n\u003ctd\u003e12 (30.5)\u003c\/td\u003e\n\u003ctd\u003e25 (63.5)\u003c\/td\u003e\n\u003ctd\u003e7 (17.8)\u003c\/td\u003e\n\u003ctd\u003e23.5 (10.7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eRadial hub measurements\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eA = hub thickness in (cm)\u003c\/th\u003e\n\u003cth\u003eB = offset or dish in (cm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777\u003c\/td\u003e\n\u003ctd\u003e7 (as printed)\u003c\/td\u003e\n\u003ctd\u003e1.875 (4.8)\u003c\/td\u003e\n\u003ctd\u003e1.25 (3.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e1.625 (4.1)\u003c\/td\u003e\n\u003ctd\u003e1.625 (4.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e777\u003c\/td\u003e\n\u003ctd\u003e10\/12\u003c\/td\u003e\n\u003ctd\u003e2.25 (5.7)\u003c\/td\u003e\n\u003ctd\u003e1.375 (3.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e1.625 (4.1)\u003c\/td\u003e\n\u003ctd\u003e1.625 (4.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e10\/12\u003c\/td\u003e\n\u003ctd\u003e2.25 (5.7)\u003c\/td\u003e\n\u003ctd\u003e1.375 (3.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e802\u003c\/td\u003e\n\u003ctd\u003e8\/10\u003c\/td\u003e\n\u003ctd\u003e2 (5.1)\u003c\/td\u003e\n\u003ctd\u003eFlat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e802\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e2.375 (6.1)\u003c\/td\u003e\n\u003ctd\u003eFlat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eDistance from the #776AL-4 idler to the radial centre\u003c\/h3\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRadial size\u003c\/th\u003e\n\u003cth\u003eMax.\u003c\/th\u003e\n\u003cth\u003eMin.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.5\"\u003c\/td\u003e\n\u003ctd\u003e3'\u003c\/td\u003e\n\u003ctd\u003e9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\"\u003c\/td\u003e\n\u003ctd\u003e3 1\/2'\u003c\/td\u003e\n\u003ctd\u003e11 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003ctd\u003e4 1\/2'\u003c\/td\u003e\n\u003ctd\u003e13 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\"\u003c\/td\u003e\n\u003ctd\u003e6'\u003c\/td\u003e\n\u003ctd\u003e18\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\"\u003c\/td\u003e\n\u003ctd\u003e9 1\/2'\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eMinimum distances are for 4\" sheaves: add 2\" for 6\" sheaves. Greater distances are possible: ask Edson.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-tiller\"\u003e\n\u003ch2 class=\"om-h\"\u003eAutopilot Tiller Arms (EB373-2410)\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eArm\u003c\/th\u003e\n\u003cth\u003eOrder #\u003c\/th\u003e\n\u003cth\u003eRudder post\u003c\/th\u003e\n\u003cth\u003eChannel height\u003c\/th\u003e\n\u003cth\u003eAutopilot pin location\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\" bronze \/ aluminum\u003c\/td\u003e\n\u003ctd\u003e926-10-610-MKII \/ 926AL-10-610MK2\u003c\/td\u003e\n\u003ctd\u003eup to 3.25\"\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e6\" to 10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\" bronze \/ aluminum\u003c\/td\u003e\n\u003ctd\u003e926-15-610 \/ 926AL-15-610\u003c\/td\u003e\n\u003ctd\u003eup to 3.25\"\u003c\/td\u003e\n\u003ctd\u003e0.75\"\u003c\/td\u003e\n\u003ctd\u003e11\" to 15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\" large bore bronze \/ aluminum\u003c\/td\u003e\n\u003ctd\u003e926-10-14-MKII \/ 926AL-10-14-MK2\u003c\/td\u003e\n\u003ctd\u003e3.25\" to 5\" (larger cap)\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e7\" to 11\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eArm height 1 5\/8\"; open on one side for the autopilot rod end (clevis Part 619 if needed). One 12mm pin is supplied; the installer machines the pin hole once the location is set (pin location per the autopilot maker's specs).\u003c\/li\u003e\n\u003cli\u003eThe autopilot ram MUST sit inside the channel, not above or below it.\u003c\/li\u003e\n\u003cli\u003eJ Boats (aluminum only, potted onto the post, not custom bored): #836AL-J-12 for J\/37, J\/40, J\/42, J\/44, J\/46, J\/105, J\/120, J\/130; #836AL-J-160 for J\/160.\u003c\/li\u003e\n\u003cli\u003eCall Edson for the 15\" large bore arm. The order form asks for material, length, bore, large bore (bore \u0026gt; 3.250in), securement method, autopilot make\/model and port or starboard orientation.\u003c\/li\u003e\n\u003c\/ul\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 Manual\u003c\/h2\u003e\n\u003c\/div\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/Edson-Quadrants-Radial-Drive-Wheels-Tiller-Arms-Installation-Cover.png?v=1793983387","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-edson-quadrants-radial-drive-wheels-tiller-arms.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}