No it is definitely from doing proper level waterline Island Packet style blocking on a Catalina 27. The Catalina 27 has a keel bottom the slopes down to the rear and extends back behind the keel trunk. Level the boat on a flat hard surface and only the unsupported keel tip will be touching. The back get pushed up and the front pulls down by cold flowing the FRP keel trunk floor.

I think my brother's IP must have a 20 foot flat on the bottom of the keel but I would not be smiling at all if a yard improperly blocked my C27 for the winter. I've even heard of skippers paying for the repairs based on the yards mistake so there is lots of miss information about the Catalina Smile out there.

Phil Agur                    s/v Wing Tip (a C270)
Secretary,            Call Sign WCW3485
IC27/270A             MMSI 366901790
www.catalina27.org      Vessel Doc# 1039809


----- Original Message ----- From: "tim ford" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Wednesday, April 09, 2008 12:38 PM
Subject: Re: catalina27-talk: Dry Sailing a Catalina 27


I was always under the impression that the "smile" was more a function of
stresses encountered when under sail, e.g., falling off a wave in a big
chop or piling on a bunch of canvas and racing in 25 kn, that kind-o-thing.

Certainly seems that a lotta weight on keel sumps (that went thru a range of
building conditions and materials) is likely to cause significant
flexxing in breezier conditions and it seems like this would be the
source of keel joint separation, rather than the way the boat is blocked up
for the off-season.

hey, what's with this font?

tf



David Shugarts wrote:
With my C-27 and people being more careful when they set the boat on land
each fall, we put an extra 3/4 inch, or even 1-1/2 inch underneath the
forward end of the keel, relative to the aft end. I have had the boat eight
years and no "smile" has developed.

--Dave S.




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