Join Date: Feb 2000
Location: Annapolis, Md
Thanked 172 Times in 141 Posts
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Re: End Plate Effect
Its funny....both you and I were correcting my poorly written version of my explanation (written last night but corrected this morning) at the very same time. I think that a simple end plate would not do much for performance over a mixed course (beating, reaching and running) but these carefully modeled bulbs which improve stability as well as providing some vortex reduction and lower keel efficiency have clearly resulted in some performance gain. Neither of us touched on the fact that the hull serves as an endplate at the keel and rudder root, and in the case of the rudder, having this end plate can delay aeration of the rudder.
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Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay