[Public-List] Rudder repair

[gdinwiddie at alberg30.org]

Stephen,

For now, I've put all the photos and the contents of your email in 
http://alberg30.org/maintenance/disorganized/rudder-495/

It strikes me that groups of these photos, with a fuller description, 
would make good regular web pages. What do you think?

  - George

On 6/8/21 4:28 PM, Stephen Gwyn via Public-List wrote:
> 
> Here are some pictures from my recent rudder repair:
> 
> https://photos.app.goo.gl/s6QLQJaTxXJA1Qsg9
> 
> There was substantial wear and dezincification in several places.
> 
> In my boat (1972, #495), there are 3 separate parts, much like the 
> diagrams at:
> http://www.alberg30.org/maintenance/Steering/RudderPost/
> 
> The pins coming out the post are soldered in place. They're
> pretty flimsy. For the bottom 2 parts (the mid-point bearing and
> the pin at the foot), they're just there to hold the part to the
> rudder. For the upper rudder stock, the torsional strength (the
> ability to turn the rudder by turning the tiller) comes from the
> fact the piece is bent, not from the pins. In the original version
> the midpoint bearing was offset 1/8" out of column compared to the
> other two parts. I'm guessing this is because it's made out of 3/4"
> stock and whoever built my rudder was having an off day and aligned the
> edges, rather than the centres of the pieces.
> 
> The rudder post had a keyway cut into the shaft below decks, in case the
> wheel steering option was wanted.
> 
> My rudder had a clam shell zinc installed in the middle of the rudder.
> It was through bolted, but not connected to any metal. I'm not sure why it
> was there. It's gone and the hole filled.
> 
> As you can see from the pictures, everything was ground out and
> rebuilt in stainless then glassed back in. The midpoint gudgeons
> and the shoe (which were also worn) had some bronze welded back on
> and then were machined to match the stainless parts.
> 
> George, I would you like to add these pictures to alberg30.org?
> The old bits are sitting on my workbench if you need more pictures.
> I can also write more text if wanted.
> 
> SG
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-- 
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   When I remember bygone days                         George Dinwiddie
   I think how evening follows morn;            gdinwiddie at alberg30.org
   So many I loved were not yet dead,           http://www.Alberg30.org
   So many I love were not yet born.                          also see:
                'The Middle' by Ogden Nash     http://idiacomputing.com
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