Post your rudder weights here if you have measured it. Class spec per para 5.6.1 is 60 pounds minimum.
When I pulled the rudder off Rauzer II it weighed in at
69-70 pounds. The bathroom scale I used was pretty flakey, so an accurate measurement was not to be.
After drilling about 150 holes from the water line down, peeling, drying for almost 3 months, grinding, sanding, filling the holes, over-drilling and epoxy the mounting holes, fairing, applying a layer of cloth, 7 coats of epoxy and 3 coats of VC Offshore, the rudder then weighed
64 pounds.
The rudder was built fat as has been mentioned by others on this site and to bring it down to template specs would have required a lot more work than I was willing to do. I did grind down the port side a little more than the starboard, as it was the fattest side and had the most osmosis damaged glass. Once the surface was ground down to solid glass, I could see the core blocks through the 1/4 inch +/- of glass and was happy to not see evidence of rot. The core that was extracted from all of the drilled holes appeared to be good, white balsa, albeit varying degrees of wet.
I am pretty happy with the way it turned out even if it is not as thin and trim as it might be if it were templated.