I guess it is a little difficult visualizing your rudder damage without a photo.
Typically the rudder shaft will have several metal straps or ribs welded to it that would be encased in a foam core and/or fiberglass.
Are there any ribs evident on your rudder shaft? or is it just a bare pole?
"The cure for anything is salt water~ sweat, tears, or the sea." ~Isak Denesen
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