[Public-List] corroded rudder

[George Dinwiddie]

Stephen,

On 3/15/21 12:17 PM, Stephen Gwyn via Public-List wrote:
> Michael Connolly:
> So if the diameter of the shaft was originally 1", and it's only 0.6" 
> now, then the cross section is 0.6 squared = 0.36 of
> the original, hence my figure of 36%. If instead the original diameter 
> was only 3/4" inches, then the remaining strength is
> (.6/.75)^2  = 64%, still not great, but much more acceptable. However 
> all the bits of brass I can see are 1", which
> is also the diameter specified here:
> http://www.alberg30.org/maintenance/Steering/RudderPost/rudderstock.png

That page shows the upper post that attaches to the tiller.
Note the piece in the lower left corner of the second page, 
http://www.alberg30.org/maintenance/Steering/RudderPost/RudderReinforcment.png

  - George

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