Hi all, This is like de ja vu all over again....
....and the more times I think about the smile, the more I am convinced that the "improper blocking theory" was a fabrication by the legal department, to shift all the blame to the boat yards, rather than admit any possibility of a design/construction/materials issue. Bob Stockley Sundance #2436 --- In [email protected], "Joe McCary" <j...@...> wrote: > > Derek, what year is your boat? I just had my '81 #4795 pulled and no smile, > I wonder if it is a function of age or can be caused by running aground or > improper blocking. > > > > Joe McCary > Aeolus II, West River, MD > joe at photoresponse.com > www.aeoluswestriver.net > > > > From: [email protected] [mailto:[email protected]] On Behalf Of > Derek Atkin > Sent: Saturday, May 09, 2009 6:40 PM > To: [email protected] > Subject: [IC27A] Source of the Catalina smile. [2 Attachments] > > > > [Attachment(s) from Derek Atkin included below] > > > > > This is by no means gospel. just my thought. > > Attached is a shot of the front-most keel boat washer. As you can see its > now conical in shape. If you take the movement of the bolt due to washer > deformation and the collapse of the surface underneath - you can certainly > see why a tolerance grows and thus allows the keel to drop a little and > generate a crack. > > I have also attached a shot of my remedy. 3/4" aluminum blocks that are > acting to spread the load of the keel on the keel floor. If you look around > the bole - you can see the larger flat washer - which is about the same size > as the washer on the original fitting. I had plates made for every keel > bolt, significantly increasing the surface area that spreads the load for > each keel bolt. They are fitted with stainless lock-nuts and washers and > were set in epoxy to take up any surface irregularities. > > Hopefully this increased support will prevent and further separation between > the boat and the keel. > > Derek Atkin > #4297 > > > > > > __________ Information from ESET NOD32 Antivirus, version of virus signature > database 4063 (20090508) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com >
