Possibly. I have a1969
Columbia 36 with very similar
keel bolts. They are galvanized
steel hangar bolts threaded into the the lead with washers and nuts in the
bilge. The nuts and bolts tops were very rusty and when I checked them one bolt broke off down in the lead and a couple others the nuts popped off as there was no longer any thread left. I ended up having to drop the keel to replace them. When the
boat was lifted off the keel, it came loose easily, the
sealant used was not an
adhesive type. I'm pretty sure the 28 had the same setup. So... If the nuts and bolts are rusty enough, the keel could fall off. It's easy enough to check, just loosen and retighten the nuts. You'll know right away if you have a problem. You could do this in the
water one at a time, but be prepared to
haul out immediately if one breaks off. Best to do
on the hard, just have the
lift come back to
lift the
hull off the keel if needed. Changing the bolts is not hard provided they don't break off below the surface like one of mine did. I had to sister that one, drilled and tapped a new hole next to the old one.
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