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 Post subject: Rudder Pin Failure
PostPosted: Wed Oct 17, 2012 8:25 pm 
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Site Rank - Deck Hand

Joined: Tue Mar 27, 2012 11:31 pm
Posts: 3
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.


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 Post subject: Re: Rudder Pin Failure
PostPosted: Thu Oct 18, 2012 8:49 am 
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Site Rank - Old Salt

Joined: Mon Jul 04, 2005 10:13 am
Posts: 645
Location: Nepean S.C. Ottawa, Canada
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.

_________________
1989 Hobie SX18 Sail # 1947
'Only two things are infinite, the universe, and human stupidity. But I'm not sure about the former.'


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 Post subject: Re: Rudder Pin Failure
PostPosted: Thu Oct 18, 2012 1:57 pm 
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Joined: Sun Aug 26, 2007 5:40 am
Posts: 406
Location: Metuchen NJ
that's a nice showing for yourself there John!

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Chris
'88 H18SE Arís


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 Post subject: Re: Rudder Pin Failure
PostPosted: Thu Oct 18, 2012 3:00 pm 
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Joined: Thu Sep 24, 2009 5:50 am
Posts: 377
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


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 Post subject: Re: Rudder Pin Failure
PostPosted: Fri Oct 19, 2012 12:15 am 
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Joined: Mon Oct 01, 2007 4:21 pm
Posts: 129
Location: Chilliwack, BC
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


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 Post subject: Re: Rudder Pin Failure
PostPosted: Fri Oct 19, 2012 4:58 am 
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Joined: Sat Jul 23, 2005 10:04 am
Posts: 144
Location: Bowie, MD
Yep. There are many stories out there of aluminum pins failing. Stainless is the way to go, IMHO.


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 Post subject: Re: Rudder Pin Failure
PostPosted: Fri Oct 19, 2012 4:58 pm 
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Joined: Tue Mar 27, 2012 11:31 pm
Posts: 3
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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