1984 ODay 34 keel

May 17, 2004
5,680
Beneteau Oceanis 37 Havre de Grace
I assume the 1984 34 keel, like the 1985 28, is lead and not iron? If so the source of that streak is more mysterious than the usual rusting iron keel. The two possibilities I can think of are an impurity in the casting (not uncommon, though a streak like that is not the normal sign of it), or something originating from a keel bolt. I’d start by cleaning up the surface to try to verify whether the source is just close to the surface along the edge or if it seems to be running out from further inboard.
 
Jan 1, 2006
7,588
Slickcraft 26 Sailfish
I think that for an iron keel a little rust is like for a women being a little pregnant.