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 Catalina swing keel help		  New Topic  Topic Locked
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terrypengra
Deckhand

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USA
1 Posts
Initially Posted - 03/21/2016 :  16:36:43  Show Profile
We are trying to rebuild the swing keel on our boat and the cast iron is so deteriorated that we can not get accurate measurements for the thickness of the keel at the pin. Does anyone have a 25 Catalina (1980) and happens to know the original dimension at the pin or how thick is the keel at the point where the pin goes through.

Captmorgan
Navigator

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USA
220 Posts
Response Posted - 03/21/2016 :  19:36:59  Show Profile
http://www.catalina-capri-25s.org/tech/tech25/tt001.asp


Here are some measures maybe not all the ones you need. I can measure mind on Thursday if you let me know which measure you need.
"The Gal-Way" 1985 SR/SK Barnegat Bay, NJ

Enjoy Sailing =) Be Safe

Happy Sailing - John




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jduck00
Captain

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USA
313 Posts
Response Posted - 03/22/2016 :  03:35:16  Show Profile
The bronze pin is 1" in diameter. The keel is roughly 2.5" in width in that area, but I believe there is some variance in that. My boat is a 1980 model as well. Have you checked out Catalina Direct yet? Take look at his page. http://www.catalinadirect.com/index.cfm/category/107/pivot-assy.cfm

Are trying to rebuild the pivot assembly or looking for a new keel?
Jeremy Duck
The Lucky Duck
1980 SKSR Hull # 1850
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Captmorgan
Navigator

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USA
220 Posts
Response Posted - 03/22/2016 :  04:36:01  Show Profile
Also if your hole is worn there is this kit. Has anyone used this does it work well.

http://www.catalinadirect.com/index.cfm/product/1140/c-25-keel-pivot-pin-bushing.cfm
"The Gal-Way" 1985 SR/SK Barnegat Bay, NJ

Enjoy Sailing =) Be Safe

Happy Sailing - John




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jduck00
Captain

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USA
313 Posts
Response Posted - 03/22/2016 :  07:03:46  Show Profile
John the bushing works great, but the install is a tough job. I would say most people are like me and dropping the keel and getting it to a machine shop isn't practical. Getting the hole for it straight is the biggest challenge. I wanted a tight fit so I went a 32nd small on the drill bit and used a reamer to expand the hole. It was a long process, but I ended up with a pressed fit. I was a few degrees off perpendicular, but was able to wiggle the keel on the hangers to get it straight.

Jeremy Duck
The Lucky Duck
1980 SKSR Hull # 1850
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Dave5041
Former Mainsheet Editor

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USA
3754 Posts
Response Posted - 03/22/2016 :  18:08:18  Show Profile
I posted my repair a few years ago. I drilled a snug, sliding fit and filled with a very high strength, maybe around 30-40 thousand psi compression, epoxy to bed the sleeve. It has held up for a few years now with no problems so far.. The hole in mine was only modestly enlarged and not elongated, so drilling straight wasn't an issue. I would look into the cost of fabricating one from 1" or 2" stainless or bronze if the keel is really bad , add spacers at the pivot and bolt lead plate at the bottom to get to 1500#. Probably not legal for racing, but it would improve cruising performance and take care of the corrosion issue. Of course, it would probably be cheaper to start with a different boat.

Dave B. aboard Pearl
1982 TR/SK/Trad. #3399
Lake Erie/Florida Panhandle
Edited by - Dave5041 on 03/22/2016 18:24:12
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Frank Law
Navigator

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USA
159 Posts
Response Posted - 03/23/2016 :  19:50:38  Show Profile
I had a swinger a few years ago that had an enlarged pivot pin hole.the bigger replacement sleeve was not big enough so I found a shop that made a sleeve out of stainless steel that would fill the enlarged hole much better and I filed out some areas and epoxied the sleeve in place. I used the boat a couple of years after that with no problem . The shop Only charged me $40.00 It is not that hard to lower the keel and try this idea .

Frank Law
no longer sailing
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
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.