[Public-List] water through the seams

[dan walker]

michael your description reminds me of when u and i launched rascal and the old boy a few slips over came over to borrow an extension cord with the simple statement "my boat is sinking". took us a few minutes to determine what he needed. funny in hindsight



________________________________
 From: "crufone at comcast.net" <crufone at comcast.net>
To: Alberg 30 Public List -- open to all <public-list at lists.alberg30.org> 
Sent: Saturday, May 19, 2012 1:10 PM
Subject: Re: [Public-List] Personal Introduction & Rudder Post Clarification
 


Peter, 

Welcome to the group. I might be interested in having one part of my pintle/gudgeon (hinge) at the middle of my rudder recast. W here the piece is held onto the keel with the peened over rods as mentioned by another poster it is cracked thru the rod hole toward each side. I don't know if this can be brazed back together or if a new piece has to be mfg. 



About taking off the rudder hardware while the boat is in the water.................. while these areas of the keel tend to be solid glass .....................there is a possibility that one or more of the bolts,screws or rods might pass into the bilge, or allow water to enter the bilge. I would be cautious in removing these bronze fittings as their removal might cause water to enter the bilge and sink the boat. The leak into the bilge might be very small, perhaps just seepage, but over time if not attended to could be bad news.  This is hard to be certain about. Each boat was mfg. a little different and has aged differently. 



If I were attempting this task I would have someone inside to inspect as you removed the fasteners. It might be good to have several bilge pumps at the ready and or a Travel lift nearby to assist if the boat begins to fill with water and you can't stop the leak. 



Michael #133 



----- Original Message -----


From: "Peter McEvoy" <peter.t.mcevoy at gmail.com> 
To: public-list at lists.alberg30.org 
Sent: Wednesday, May 16, 2012 2:34:33 PM 
Subject: [Public-List] Personal Introduction & Rudder Post Clarification 

Hi Everybody, 

This is my first post, so I'll take a minute to introduce myself and my 
Alberg 30, "Friends". I bought the boat on the first of January in 
Sausalito, CA and moved her to Berkeley Marina, where she lives now. I am 
not certain as to the hull number, since the builder's plate is missing, 
however the sail number is 268. My paperwork when I bought the boat 
declared it as a 1965 boat, however after rooting around in my record books 
there is one bill of sale that states the boat is a 1967. If 1967 is 
correct, then it is possible that my sail number 268 is the hull number, as 
that would fit into the ranges listed 
here<http://alberg30.org/boat/numbers.html> 
. 

So, it's Peter McEvoy here with "Friends", possibly hull #268. As for 
myself, I work in fine art bronze casting in Berkeley, CA. I'd like to 
start casting boat parts for my boat, and potentially in the future could 
cast Alberg 30 parts for others- let me know if you or others have 
interest. The foundry deals with silicon bronze, which I've read is a good 
choice for most boat parts, including underwater. 

My first project will be replacing my rudder. I was sailing with some 
friends on the bay this past Saturday, heeling over nicely on our way back 
from Angel Island, when I felt a snap and the tiller went "limp". I figured 
a shaft of some sort sheared, disconnecting the tiller from the rudder. 
After getting a tow back to the slip, I dipped myself under the transom and 
felt around with my feet- pretty certain the rudder is gone entirely. The 
rudder post seemed to extend down from the keel about a foot with nothing 
around it. My hope is that the rudder shoe and gudgeons are still on the 
hull so that I can copy them with a rubber mold and cast them in silicon 
bronze. Will be diving to check for that soon. Anyway, I had a few 
questions regarding the Alberg rudders. 

1. Can I remove the gudgeons and rudder shoe while the boat is underwater? 
The main risk I see here is junk growing into the threaded fiberglass while 
the parts are removed for copying. I want to copy the parts before haul out 
to avoid excessive yard use fees. 

2. Is silicon bronze suitable for the rudder posts? I've found silicon 
bronze to be much softer than aluminum bronze (marine bronze). I read that 
aluminum bronze, however, can "de-aluminize" underwater unless you add 4% 
nickel to the mix. I'd like to go with all silicon bronze, since I have 
easy material access there. 

3. I've attached an image to see if my understanding of the rudder post 
positioning is correct. I'm mainly confused about the long upper post with 
the two bends- why doesn't the lowermost section go 90 degrees around the 
rudder? It seems incorrect to have it going toward the middle pintle. 

Sorry for the long post! I figure it's better than 4 replies of 
clarification. 

-Peter McEvoy 

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