Join Date: Feb 2000
Location: Annapolis, Md
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The picture is a little hard to see in any detail, but it looks like an encapsulated keel which has mix of concrete and steel as ballast. The steel bars/bolts look like they were there for reinforcing and to pick up the ballast after it was cast, (concrete ballast was often cast in a separate mold) and put it in the boat. In other words, this is not a bolt on keel, even if it has bolts.
If that is the case, I would suggest that it may not economically feasible to repair this. A proper repair would consist of removing all of the ballast. Remove the damaged portion (or more properly all) of the keel encapsulation envelope. Construct a new encapsulation envelope using epoxy and glass such that ut re-establishes the connection between the hull and the envelope. Build a mold and cast new ballast. Install that ballast so that it is properly bonded to the encapsulation envelope. Build a new structural membrane above the ballast. Construct new transverse frames, or build new partial transverse frames which tie into the existing transverse frames. Reconstruct the longitudinal frames if they are damaged, and reconstruct the interior. Fair the exterior of the encapsulation envelope. Prime and paint it.
In reality, this is a very expensive process. On an older boat, it would cost more than the boat would ever be worth, and frankly, the boat with this damage would never be worth as much as a boat which had not sustained this damage since a repaired boat is considered to be worth less than one which had never been damaged, no matter how good the repair turned out.
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Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay
Last edited by Jeff_H; 06-07-2011 at 10:12 AM.