[Public-List] stern tube rudder post corrosion problem

mahseer at kos.net mahseer at kos.net
Sat Jun 12 05:49:09 PDT 2010


Mathew
I have 1969 #380 just a little later than yours and I do have a proper
stuffing box rudder assembly.

John Boor
MAHSEER #380


> Hi happy Friday,
> If someone has the time can they please describe what and were the stern
> tube is on my 1968 #314 pre-liner Alberg.  I have been following previous
> discussions but am confused.  Having never addressed this issue I would
> like
> to while I am still out of the water painting the interior.  I think I
> have
> discovered a rather serious problem.  If I look over my engine with a
> flashlight at the rudder post coming down from under the cockpit the post
> goes strait into a big (for lack of a better or proper word) large nut
> assembly that looks like with the proper wrench could be turned.  That is
> all there is. I do not see a tube or anything else?  Is 1968 on the cusp
> and
> perhaps I do have a stuffing box but Masonite core (which I have
> confirmed)
> and no liner with a vertical fridge?  I am concerned because were the
> rudder
> post goes into the stuffing box nut assembly the post itself seems to have
> corroded to the point were I can see what looks like a bronze rectangular
> shaft being revealed through the corrosion of the metal around it.  That
> can't be good?  The rectangular bronze looking shaft seems fine but what
> ever metal surrounds it has corroded off in one spot right above were the
> shaft exists through the nut stuffing box?? assembly.  Is that a corroded
> stern tube?  Or do I need to replace my rudder post?  Or can I keep an eye
> on it this summer and replace the rudder post (if that what is wrong) as a
> winter project next fall?  I hope this is not all to confusing.
> Thank you very much,
> Matt 1968 #314
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