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Re: Catalina 30 Bahama bound
I would spend the money, on something else important instead. If you are really worried about the rudder, buy a transom mount spare.
I second the above, the cable isn't going to keep your rudder from getting tweaked in a grounding. It also will not give any lateral support to rudder either in case of a grounding or severe stresses in a storm.
The full keel in front of the rudder is what makes it strong.
Remember both the cable, and the attachment points have to be able to hold the full weight of the boat. BY the time you had enough cables to do that your under water drag would be considerable.
I also have a spade rudder, I bought a spare rudder with mounting for the transom that I keep under a bench cushion where it takes up no room. SO far I have never needed it. (knock on wood)
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