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With the introduction of the Catalina 34 Mark II the rudder was updated to be longer with an elliptical design. Some Mark I owners have updated their original rudders with a new Elliptical Rudder for more control and smoother handling.

Ron Hill has done his own impressive modification to the rudder on his Mark I with a Wing Keel.


Note that I used the resin method, using epoxy resin mixed with graphite (see West Systems website for info on making self-lubricating bearing surfaces.) But instead of pouring resin down the tube, I used the West caulking gun tubes, injecting the mix thru several holes drilled into the backside of the rudder tube. - KWKloeber 4/2015


[December 2018] The following links no longer work because Edson modified their own website negating the links. If you need Edson information, visit

Also of Interest

There are several articles of interest concerning Rudders in the Tech Notes