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post #22 of Old 03-09-2012
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Re: Lead 'boot' - yes/no?

Originally Posted by DelmarRey View Post
I've always thought they were called bulbs >>> MarsKeel Technology Keel Draft Reductions

And you can get them custom made to fit your keel.

The next question is; can your mast and rigging take the extra stress (COE/COR). It's a good thing you don't have keel bolts.
Since these guys are cutting off part of the keel, in preparation to adding a bulb, the resultant is likely to provide less lift. Remember, the keel of the boat provides both a righting moment and fluid dynamic lift, with the latter giving the boat its pointing ability. Reduce the foil by 15 or 20 percent, an you are likely to reduce the lift provided by the keel by 15 or 20 percent. Sure, the boat might have a similar, or even greater, righting moment as it did before the "surgery". however, it's also likely to loose some pointing ability unless the keel is somehow further modified (which is probably much more difficult).

Never forget them. Do something to prevent it from happening again.
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