Crealock 37 With A Waterlogged Rudder - SailNet Community
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post #1 of 4 Old 11-30-2014 Thread Starter
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Crealock 37 With A Waterlogged Rudder

We hauled yesterday morning and the rudder is still dripping. I also found two "weepy" spots about 8" apart on the starboard side. My guess is that I have at least a partially waterlogged rudder.

So far the puddle under the rudder is all clear water. There is a very small, brown colored area in the middle, but the water isn't coming out rust colored. There are no bumps or large blisters even where it is weeping.

My plan is to drill a couple of drain holes while we are out for the week, but I'm guessing delamination is in my future, especially near the two "weepy" spots. Any other Crealock/PSC 37 owners been through this? Any idea what the rudder structure is like in there? Two horizontal struts? Three?
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post #2 of 4 Old 12-02-2014
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Re: Crealock 37 With A Waterlogged Rudder

If your rudder is original and not a foam replacement then it is solid fiberglass and resin with 3 stainless steel ribs.I had to replace the rudder on my 1982 C37 after the shaft was bent by Hurricane Sandy so I have some knowledge of its construction.Fortunately you can order a new rudder,gudgeon and bushings from the factory if necessary.Just call Thumper or Steve at the factory.
Tele# 252-948-1421

Good luck,
Dianne and Chuck Burke S/V NiftyNickers C37 #139
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post #3 of 4 Old 12-02-2014
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Re: Crealock 37 With A Waterlogged Rudder

When we bought Irish Eyes, there was some damage to the bottom edge of the rudder, and on haul out water dripped from the damaged area. The surveyor took pictures and documented it in his report, but he was not too worried about it. A year or two later we had it repaired. The fiberglass tech who did the work said he had never seen a metal shafted rudder without water in it. In his opinion polyester/fiberglass does not adhere well to the stainless steel shaft, and water always comes in along the shaft and fills any connected voids in the rudder. He suggested that manufacturers should just give up and put drain holes in the bottoms of their rudders. At least that way boats stored ashore in freezing weather would not have their rudders cracked by the repeated freeze-thaw cycles of winter weather.

From the PSC 34 Brochure

Bill Murdoch
1988 PSC 34
Irish Eyes

Last edited by wsmurdoch; 12-02-2014 at 09:40 PM.
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post #4 of 4 Old 12-03-2014
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Re: Crealock 37 With A Waterlogged Rudder

This string is very interesting because, when we bought Margalo 15 years ago, moisture testing was only positive in the rudder. Robin, the PS guy at the old plant in California, told us not to worry about it.
Now, 15 years later, Margalo is going through a refit here in Maine and I have wondered what I should do about the rudder. It looks solid and doesn't have any evidence of water leaking out of it, although I am sure that there is some in there.
Has anyone experienced or heard of rudder failure in these yachts? If you were headed out for extended offshore cruising would you replace the rudder?

David Howes
PS 37 #146
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