After filling the rudder and replacing the skin, did you check the shape with the templates you made? Small deviations won't make a big difference unless you're racing.
How do you account for the difference between motoring and sailing?
Why was it necessary to rebuild the rudder? It looks like there is some damage to the lower forward end of the rudder? Was this a grounding? If there was a grounding, how hard was it? A hard grounding could cause the rudder post or rudder tube to be out of alignment.
How do you account for the difference between motoring and sailing?
Why was it necessary to rebuild the rudder? It looks like there is some damage to the lower forward end of the rudder? Was this a grounding? If there was a grounding, how hard was it? A hard grounding could cause the rudder post or rudder tube to be out of alignment.