brendanb@sfsail.com

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Author: Yoshi (Nakaiyosh...@gmail.com) contact the author
Subject: brendanb@sfsail.com
Info: (8474 views) Posted: Friday 7-27-18 07:17:38 AM

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:: Brendan,

:: Thanks for the reply. 2 inch is the length where I
:: notice the separation along the trailing edge. Actual
:: separation distance is less than 1/16 in. at the
:: training edge. Yoshi 
:: 
:: :: Definitely a small soft spot can be repaired without
:: :: replacing the whole rudder. However the 2" separation
:: :: indicates some delamination is occurring which is
:: :: important to address. Especially if the boat lives in
:: :: the water, this delam will spread until your rudder
:: :: falls apart. 
:: :: 
:: :: First, determine if it is the only soft spot and the
:: :: extent by tapping the entire rudder (hard plastic handle
:: :: of a screwdriver works well). You'll hear a notably
:: :: different sound over delaminated areas. 
:: :: 
:: :: The best repair involves grinding away all the glass
:: :: over delaminated areas, filling low spots or replacing
:: :: foam as appropriate, and re-glassing over the repair.
:: :: Then the gelcoat needs to be repaired as well. 
:: :: 
:: :: Small delam can sometimes be repaired by drilling holes
:: :: and injecting epoxy. This might be worth a try if the
:: :: boat is dry-sailed, but if the boat lives in the water
:: :: best to fix it right as this fix might still allow water
:: :: to intrude. 
:: :: 
:: :: Replacing an E27 rudder is non-trivial and
:: :: expensive--best to repair the one you have. 
:: :: 
:: :: 
:: :: 
:: :: :: 
:: :: :: 
:: :: :: :: Since you all are talking about rudder, What would you
:: :: :: :: recommend for repair for small (size of pinky) soft spot
:: :: :: :: ? I also notice very thin separation of about 2 inch
:: :: :: :: length at the trailing edge. Any recommendations for
:: :: :: :: repairs are greatly appreciated. I plan to do in late
:: :: :: :: fall when E27 is out of water. 
:: :: :: 
:: :: :: :: Thank you very much. 
:: :: :: 
:: :: :: :: Yoshi 
:: :: :: :: 
:: :: :: :: 
:: :: :: :: 
:: :: :: :: 
:: :: :: :: :: How about me building you a new rudder? You do want a
:: :: :: :: :: Class Legal rudder don't you?? I will have to tooling by
:: :: :: :: :: September 1st. 
:: :: :: :: 
:: :: :: :: :: Ron Moore 
:: :: :: :: :: 
:: :: :: :: :: :: I could draw up an outline of the templates that were
:: :: :: :: :: :: cut from the drawing Deeds gave me. However, that puts
:: :: :: :: :: :: two more generations of possible errors in them,
:: :: :: :: :: :: although they worked very well for me. Lemme know. 
:: :: :: :: :: :: 
:: :: :: :: :: :: :: 
:: :: :: :: :: :: :: Would you please send me a set of the templates as well.
:: :: :: :: :: :: :: Thanks 
:: :: :: :: :: :: :: :: 
:: :: :: :: :: :: :: :: 
:: :: :: :: :: :: :: :: :: Dianne, # 0 prototype E 27, is having some work done. It
:: :: :: :: :: :: :: :: :: would be helpful to have templates or scale drawings for
:: :: :: :: :: :: :: :: :: the rudder profile. If you have these or know where they
:: :: :: :: :: :: :: :: :: could be found please contact me. SDK 
:: :: :: :: :: :: :: :: 
:: :: :: :: :: :: :: :: I have a set of templates and can send you some
:: :: :: :: :: :: :: :: full-size drawings from them if you can't find them in
:: :: :: :: :: :: :: :: the Bay Area. Let me know.