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post #11 of Old 07-14-2014
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Re: Morgan 38's and 42's .... or ???

Originally Posted by travlineasy View Post
I would want that full keel for the added stability and solid tracking advantage it seems to offer. All the rest of the stuff I agree. I have a Morgan 33 Out Island with a full keel, huge amount of room, both interior and cockpit, sails like a dream, tracks like it has autopilot, and rarely heels more than 15 degrees in 25 knot winds on a beam reach.

Just for the record, a full keel does not inherently offer a bit of added stability. And a full keel does not necessarily result in 'solid tracking'. From a design standpoint the reason that a full keel is no longer seen as the ideal cruising keel has to do with the problem with being able to produce enough stability to allow the boat to stand up to an efficient sailplan that is powerful enough to overcome the increased drag from the keel. There are work arounds but they come at a price in terms of some mix being harder to handle, especially in changing conditions, or less carrying capacity.

The reason that your boat does not heel much is that it has an exceptionally wide beam and therefore a lot of form stability, and very little sail area (SA/D less than 14) for its weight and drag. As a result your heel angle that has nothing to do with the shape of your keel. You would actually heel less if you had less drag.


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