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Old 02-26-2014
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A swing keel for the Sun Odyssey 349

Finally the swing modern keel is mounted on one of the big mass produced cruisers and the honor goes to the Sun Odyssey 349:

Lifting keels are around for many years and some, like the Southerly even have ballasted ones but only with a percentage of the total boat ballast on them, but hydraulic lifting keels with big draft and all ballast on the keel are a relatively new concept even if they are widely used already by many smaller production French shipyards.

They are by far the best solution in what regards a need of small draft maintaining boat performance in boats were a truly lifting keel (vertically) occupies too much interior space and that means all boats smaller than 40ft and even bigger.

Regarding lifting keels, if well designed on relatively small sailboats these keels have the advantage of allowing for more draft when deployed lowering the CG and giving a great performance upwind.

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Last edited by PCP; 02-26-2014 at 01:15 PM.