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Rudder Pin Failure
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Author:  rossme [ Wed Oct 17, 2012 8:25 pm ]
Post subject:  Rudder Pin Failure

ImageImage

Ever seen this happen before?

The rudder pin sheared off at the bottom causing the pin to move upward and over with the sideways force on the rudder.

Author:  John Lunn [ Thu Oct 18, 2012 8:49 am ]
Post subject:  Re: Rudder Pin Failure

Sad to see that damage...
however...
would routine preventative maintenance have prevented this?

Every winter, we 'service' the cams on the rudders, and check the pins for wear.
Surprising how much the 'softer' aluminium can be chewed up by the stainless steel gudgeons, especially if you sail 'hard'. Salt water can be tough on metal as well.

If it helps, I have about four sets of worn aluminium rudder pins....

While you are at it, check the condition of the mast bearing and the shroud anchor pins.

After a good season of club racing (ended up 4th, behind 3 Tornado's, ahead of a Nacra 20, a H16 and two other T's), I plan to order an entire replacement of clevis pins and anchor pins.

Author:  OlderBowman [ Thu Oct 18, 2012 1:57 pm ]
Post subject:  Re: Rudder Pin Failure

that's a nice showing for yourself there John!

Author:  BrianCT [ Thu Oct 18, 2012 3:00 pm ]
Post subject:  Re: Rudder Pin Failure

In addition to what John said, I recommend adding updated bushings (Part #8062001) to each casting. I used two on each side of my old-style castings, one on the top and one on the bottom - makes a big difference) The bushings tighten up the system and reduce unnecessary movement/pin wear. The white one shown in your picture at the top of the broken pin appears to be terribly outdated and worn. I don't see a similar one on the bottom (maybe not required on the newer castings?).

Image

Author:  musicman [ Fri Oct 19, 2012 12:15 am ]
Post subject:  Re: Rudder Pin Failure

usually at the worst time too........

i've gone to stainless steel pins years ago... no problems ever since...

just gotta make sure your rudders kick up if they hit something....

paul

Author:  jim-doty [ Fri Oct 19, 2012 4:58 am ]
Post subject:  Re: Rudder Pin Failure

Yep. There are many stories out there of aluminum pins failing. Stainless is the way to go, IMHO.

Author:  rossme [ Fri Oct 19, 2012 4:58 pm ]
Post subject:  Re: Rudder Pin Failure

Thanks John for the offer of the new pins.

I have some spares including at least one stainless steel one which is definitely the way I'm going. I see new bushings in my future as well.

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