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Quadrants
Edson’s Quadrants are made from cast Manganese Bronze or 356-T6 heat-treated Aluminum. Available in 8” through 36” radius sizes, the Edson Quadrant is effective whether mounted fore or aft of the rudderpost. The quadrants are machined to accept #618 Take-Up Eyes, making installation and adjustment of steering cables easy. All bearing surfaces are machined, a positive fit is assured by the Edson Capped Hub, and the clamping action allows installation without having to remove the rudder. Please read through EB380, our installation worksheet for more details on each securement method.
To order a Quadrant, fill out EB373-Quadrant and Radial Worksheet, and email the worksheet to info@edsonintl.com. We will review your worksheet and contact you to finalize your order.
For Quadrant pricing click here
Prior to ordering, Edson requires the measurement on the rudder post to be taken with digital calipers and be down one-thousandth of an inch (three decimal places i.e., Rudder post diameter reading 2.375-inches).
Edson’s Standard Quadrants
Cast in Manganese Bronze or weight-saving Aluminum, in 18” and 24” radiuses, these quadrants are substantially proportioned to withstand the most severe steering strains and shocks. The #676 Quadrants are available to fit rudder posts up to 31⁄2”(8.9 cm) in diameter.
Edson’s Extra Large Bore Quadrants
Designed for boats with larger-diameter rudderposts. Cast in both weight-saving Aluminum and Manganese Bronze with strengthening webs through the center section of the quadrant , these quadrants handle rudderposts from 3.5”(8.9 cm) to 6”(15.2 cm) in diameter.
EB380 - Quadrant, Radial Drive Wheel and Tiller Arm Installation - Manual
EB373 - Quadrant / Radial Drive Wheel Installation Work Sheet