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Shortening Keels
One mimor point, while it is possible to add enough weight to end up with a similar stability, and wings can help some with lost performance, it is not really possible to add wings and end up with the upwind performance of the original keel. Upwind performance is a real balancing act between creating too much drag to overcome the minimal drive of being close to the wind and generating enough lift in the keel to prevent leeway. Wing keels generally generate more lift that a shoal keel but they also generate a lot more drag. So while they reduce leeway, the combination of lower lift and more drag means that the shortened keel had to give up some windward performance over the original keel. That said all the windward performance in the world does you no good if you can''t get into your slip because you are too deep.
Regards
Jeff
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