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Old 10-09-2008, 14:03   #1
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Question BILGE KEELS

Need help designing bilge keels for 70ft X 20ft ferro-cement motorsailor. Boat is curently 8ft draft, would like to eliminate some draft if possible. Would like to know how to size keels for a given boat (L-B-D). Also keels might help with rolling (first mate dosen't like rolling). THANK YOU.
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Old 10-09-2008, 14:16   #2
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Flopper stoppers might assist in anti rolling rather than bilge keels
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Old 10-09-2008, 23:07   #3
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Quote:
Originally Posted by joeysranger View Post
Need help designing bilge keels for 70ft X 20ft ferro-cement motorsailor.
The design is not the real problem IMHO but attaching them would be.

As for their design, I think it'll take a marine engineer to calculate their size, weight & shape in relation to your hull weight, rigging & profile. A mis-design could result in a capsize.
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Old 12-09-2008, 10:49   #4
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As someone who owned a bilge keel boat for years, I did love the shallower draft, but I don't think you can expect any notable decrease in rolling.
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