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Pintle/gudgeon misfit

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michaelj
Navigator

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132 Posts

Initially Posted - 06/04/2009 : 13:44:02

I just rplaced the gudgeons and pintles on my '81 Cat 25. I got the new parts from CD. In the new configuration the lower pintle is longer than the upper one which makes getting the rudder back on much easier since you can engage the lower one partially and then engage the upper one. However, the upper pintle does not go far enough down into the gudgeon to reveal the hole for the cotter pin. I called tech support but they "had their head in the bilge" (their words, not mine). Anyone have any ideas? I did try to pound the pintle down further into the gudgeon without much luck.

Edited by - on

islander
Master Marine Consultant

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USA
4024 Posts

Response Posted - 06/04/2009 : 13:52:45

Drill a hole in the bottom pintle. Use nylon washers on the upper pintle to fill the gap. Put cotter pin in lower pintle. Just make sure that the upper pintle won't jump out if the rudder jumps up. Thought #2- Grind upper gudgeon to expose the cotter pin hole. I looked at CD site and this is a known problem. There fix is to buy another pintle that is longer. Isn't that nice!

Edited by - islander on 06/04/2009 14:20:30

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 06/05/2009 : 10:04:11

If the upper pintle is a little shy of the gudgeon, I wonder if you could swap the pintles putting the longer one on top and the shorter one on the bottom? It would make removing pin a bit trickier underway.

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JimB517
Past Commodore

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USA
3285 Posts

Response Posted - 06/05/2009 : 13:14:35

I replaced the factory pintles on my 78 with factory pintles from an 89 wing. They did not fit through the gudegons properly. I had to drill new holes in the rudder and move the lower down slightly.

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Frank Law
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USA
159 Posts

Response Posted - 06/05/2009 : 19:42:30

Why not drill the hole in the upper pintle .. Then you will be able to remove it when necessary ,without falling out of the boat. I use one of those big Hitch pins("??") instead of a cotter pin.Not sure of the correct name of the pin But you can pull it out with your fingers and it has never come out by itself
FRank Law
"About Time " 3519
1983 SR SWk

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sweetcraft
Admiral

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USA
816 Posts

Response Posted - 06/05/2009 : 21:14:01

I agree. Drill a new hole in the top pintle and add washer to the pintle that sets on the qudgeon to reduce friction. Watch using a large clip type pin as it can get bent and the clip could fail. Have had to remove the rudder when it captured a plastic sack and seaweed. The top pin allows me to remove the rudder when topside and in the water. I always tie a line to the rudder when removing or installing it. Does your rudder float?

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 06/05/2009 : 21:19:33

I replaced the gudgeons with the bushed CD parts with the same results. They say you may need their longer pintle, but I suspect you always need their longer pintle. My solution involved several bits on my Dremel and a larger cotter pin. I may fill the elongated hole with Marintex epoxy and re-drill it at the bottom of the elongatation to keep the cotter pin from abrading the bottom of the bushing. The snug fit in the bushing is worth a little extra effort

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cat25
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USA
140 Posts

Response Posted - 06/06/2009 : 03:04:24

I found that getting parts from catalina yachts will be the best chance of getting the original parts.

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 06/06/2009 : 13:32:56

Catalina Yachts can still provide many things. I imagine that most of CD's parts fit some C - 25s, but there were so many changes in the production run that many parts need some adaptation on many boats. I could line up two of the four screw holes on my new stanchion, and I filled and re-drilled the other two.

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islander
Master Marine Consultant

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USA
4024 Posts

Response Posted - 06/07/2009 : 07:32:47

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Why not drill the hole in the upper pintle <hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">Reading his post, I got the impression that the pintle is not sticking out through the bottom of the gudegon enough to do this. I m guessing that the lower pintle is fully seated in the gudegon but the upper pintle is not and is raised up out of the gudegon. This is why the hole is not exposed. I dont know if there is enough of the pintle sticking out of the bottom of the gudegon to re-drill another hole. A photo would really help here.

Edited by - islander on 06/07/2009 07:43:26

Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 06/07/2009 : 12:23:02

The pintle seats on a bushing in the CD gudgeons to eliminate slop, the bushings are about 1/8" above the gudgeon surface which effectively covers the pin hole. The solution is to lower the bottom of the hole on the upper pintle or replace it with CD's longer pintle. Do not pin the lower pintle. If both pintles are not resting on their bushings, then the pintles or gudgeons are mis-located and you should remove the upper pintle and over drill, back fill with epoxy paste, and re-drill the rudder to properly locate the pintle. It sounds like a more involved process than it is.

Edited by - Dave5041 on 06/07/2009 12:30:29

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.