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Catalina 30 rudder upgrade

Jan 25, 2018
Catalina 30 Bittersweet Bristol
I thought Id share my rudder rebuild. it's been the best upgrade I've done so far. Boat handles so much better. I add 3 inches to the top front and 4inchs to the bottom. Trimmed about 1 1/2 off the back tapered up to the middle. I was told to make it look like a orca fin.


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Likes: Ward H
Nov 7, 2011
Catalina 30 Mk II Barnegat, NJ
Looks great!
What year is your C30? Were you copying from another boat's rudder? If not, how did you come up with the idea?
Jan 25, 2018
Catalina 30 Bittersweet Bristol
Bittersweet is a 85. I just did some searching for upgraded rudder' s. I read that increasing front of post 15 percent helped lighten the steering but more affected the backing. I used the 2 part foam they sell at home Depot for setting posts. It worked well. Easy to shape. I had a guy fiberglass it because I have never done that before but after watching him I would do it myself. Boat handles so much better. Doesn't want to round up when overpowered