[frers-list]Rudder problem
Rod Stright
frers-list@lists.frers33.com
Thu, 20 Nov 2014 06:35:03 -0400
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Hi Bill,
On Equinox the lower bearing was no longer bonded in place and the upper
bearing was bonded in place with epoxy. When I dropped the rudder the lower
bushing dropped out so it was loose for some time and wore the inside of the
rudder tube slightly. Both bushings were 2.5" in length. When I did drop
the rudder there was extensive corrosion (pictures on request) at the top of
the aluminum rudder stock where the stock enters the rudder. This was not
visible until the rudder was dropped as there is a nylon washer between the
rudder and the hull. Apparently the corrosion was due to the interaction
between the VC Offshore (copper) and the aluminum rudder stock and not from
the salt water as you might expect.
Rod
From: frers-list-admin@lists.frers33.com
[mailto:frers-list-admin@lists.frers33.com] On Behalf Of Edgar Smith
Sent: November-19-14 11:00 PM
To: frers-list@lists.frers33.com
Subject: [frers-list]Rudder problem
Bill:
The bearings on Pachyderm rudder are 5 inch sections of tube that fit snugly
over the rudder shaft top and bottom. I'm not sure of the material they are
made of but something hard and slick like teflon. The bottom bearing was
bonded in place inside the rudder tube. To get it out my yard had to chip
away gel coat after the rudder was dropped and re-bond the new one in place.
My guess is that during your encounter with the rock, you fractured the bond
holding the lower bearing in place and the shaft and bearing are now moving
inside the rudder tube.
I'd say this is a professional job to get the alignment perfect unless you
know way more about glass repair than I do. I'd also suggest getting it
fixed this winter. If continued use in the current condition results in
scoring on the rudder post than you will likely need to replace the entire
rudder and bearings.
Ed
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class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;=
mso-fareast-language:EN-US'>Hi Bill,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;=
mso-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;=
mso-fareast-language:EN-US'>On Equinox the lower bearing was no longer =
bonded in place and the upper bearing was bonded in place with =
epoxy. When I dropped the rudder the lower bushing dropped out so =
it was loose for some time and wore the inside of the rudder tube =
slightly. Both bushings were 2.5” in length. When I =
did drop the rudder there was extensive corrosion (pictures on request) =
at the top of the aluminum rudder stock where the stock enters the =
rudder. This was not visible until the rudder was dropped as there =
is a nylon washer between the rudder and the hull. Apparently the =
corrosion was due to the interaction between the VC Offshore (copper) =
and the aluminum rudder stock and not from the salt water as you might =
expect. <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;=
mso-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;=
mso-fareast-language:EN-US'>Rod<o:p></o:p></span></p><p =
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0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
frers-list-admin@lists.frers33.com =
[mailto:frers-list-admin@lists.frers33.com] <b>On Behalf Of </b>Edgar =
Smith<br><b>Sent:</b> November-19-14 11:00 PM<br><b>To:</b> =
frers-list@lists.frers33.com<br><b>Subject:</b> [frers-list]Rudder =
problem<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Bi=
ll:<br><br>The bearings on Pachyderm rudder are 5 inch sections of tube =
that fit snugly over the rudder shaft top and bottom. I'm not sure of =
the material they are made of but something hard and slick like teflon. =
The bottom bearing was bonded in place inside the rudder tube. To get it =
out my yard had to chip away gel coat after the rudder was dropped and =
re-bond the new one in place. My guess is that during your encounter =
with the rock, you fractured the bond holding the lower bearing in place =
and the shaft and bearing are now moving inside the rudder tube. =
<br><br>I'd say this is a professional job to get the alignment perfect =
unless you know way more about glass repair than I do. I'd also suggest =
getting it fixed this winter. If continued use in the current condition =
results in scoring on the rudder post than you will likely need to =
replace the entire rudder and =
bearings.<br><br>Ed<o:p></o:p></span></p></div></div></body></html>
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