Chris,
Rather than trying to mess around with making and securing a shim, would it be easier to re-fabricate that entire forward vertical blocking between the rudderhead faces?

Todd T

On Sun, Dec 4, 2022, 9:34 AM Chris on LBI <cknell at vt.edu> wrote:

> I was able to take a look at the rudder yesterday. In hindsight, I can't
> believe that it took me 5 full seasons of sailing to recognize that this
> was a potential problem. Attached are three photos. The first gives a
> sense of how far the rudder swings under the hull when the down-haul is
> used to pull the rudder against the "stop".  In the second photo I have
> placed a white piece of plastic vertically to make more obvious how much
> past vertical the rudder is when it is against the stop. The forward
> edge of the white plastic is parallel with the forward edge of the
> rudder head. The third photo shows the "stop" which is the forward side
> of the rudder head (as Roger stated).
>
> As Roger predicted in his previous email, it appears that the mechanical
> variations of this particular rudder and rudder head allow the rudder to
> rotate too far forward. As he suggested, I will experiment with a shim
> to correct this. If this does not work out easily, I will place a mark
> on the up-haul so that I know how far to deploy it to keep the rudder
> from over-rotating, and then tension the down-haul against it.
>
> Chris
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