Interchangable keels
The moulded fibreglass hull is the same for both shoal- and deep-draught boats. This means the keel-mounting face is identical to either version for a given year. The keels are in fact designed to encompass the same-- or almost the same-- lateral area as well. This is why you see odd-shaped shoal-draught keels with vertical forward faces and long points leading aft and so forth-- the boat will not balance or self-right properly unless the lateral resistance properties of the keel are preserved from one version to another. Still a shoal-draught boat always has less righting moment than a deep-draught one... but that shouldn't need explanation.If I had the plans I could spec out a deep-draught keel but I have not located hull or keel drawings for H-25 and H-27 (yet). I do know of a deep-draught H-25, 1974 model, at Worton Creek that probably should be scrapped (likely water saturation and delam problems). (The yard owner wants money for it-- joke). Though I always hate to see a hull scrapped for ANY reason, this might be a good way to get yourself a keel, and for less than what the keel alone would cost.Some more enterprising yachtie might think of taking a fibreglass mould off a deep-draught keel and making it available to future upgraders... maybe now that I think of it, it should be me. We'll see.JC 2