I have E38 hull #20. Do you recall if the 38 rudder mold initially was the wrong shape (planform) at the top which meant the rudder did not line up with the stub fin aft of the rudder tube? Foss Foam seems to think so, after I reported the condition shown in the picture attached. Foss said that Ericson took back the mold and corrected it, which eliminated the need to correct the fairing (or the rudder?) on each boat during production.
Thanks in advance ...
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I don't specifically recall this regarding the 38 rudder and neither does my father. This kind of thing was typical and having to retool a rudder mold wouldn't surprise me at all.