Soft grounding, Do I need to Check? - SailNet Community
View Poll Results: To Swim or Not to swim
After a soft grounding Dont sweat it? 10 71.43%
After a soft grounding Go for a swim to be sure 4 28.57%
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post #1 of 15 Old 06-25-2012 Thread Starter
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Soft grounding, Do I need to Check?

So the East Coast Lady my C&C 30MK1 had a soft mud grounding on Saturday afternoon. It had to be pulled out of the mud. I was not on her at the time, my sailing co/owner was sailing her too close to the shore. Does this kind of grounding require an inspection of the Keel to hull mating surfaces? It was soft pluff mud. If fact if he would have hung around for an hour he would have floated off. But I think he may have panicked a bit, but hearing this second hand, I donít know if he is telling it as it happened or if it was a bit more violent? Iím just a little nervous. Any your help or advice on this?
Thanks in advance.
Thanks Curt
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post #2 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

I would say no, but each time is different and you weren't there either, so when in doubt, go for a swim.

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post #3 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

When in doubt, check it out. But how "soft" was the grounding if he needed to be hauled off?
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post #4 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

In all likelihood you're OK.. but if swimming is an option that's cheap peace of mind...

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post #5 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

I would not worry about a soft grounding in any reasonably constructed keel boat, certainly not in your C&C 30 mark I. During her race career, I bounced a sistership over some nasty stuff at speed, with damage limited to a divot in the leading edge of the keel. Her swept-back keel design is very forgiving, the newer high aspects much less so.
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post #6 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

for any grounding the real damage would not really be visible during a swim. The issue is hull damage where the keel meets the hull. This would be practically invisible. It would need the boat to be pulled and properly sounded with a mallet.

So, assuming the grounding was as soft as you say, you probably don't have any problem, and you couldn't find it during a swim anyway.
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post #7 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

If water isn't coming in around the keel stub or around the rudder post, put the swimfins away. Take a look on the inside of the hull. any cracks in the fiberglass, any separation of stringers or grid? if everything looks pretty much as usual, then it really was a soft grounding.
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post #8 of 15 Old 06-25-2012 Thread Starter
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Re: Soft grounding, Do I need to Check?

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Originally Posted by bljones View Post
If water isn't coming in around the keel stub or around the rudder post, put the swimfins away. Take a look on the inside of the hull. any cracks in the fiberglass, any separation of stringers or grid? if everything looks pretty much as usual, then it really was a soft grounding.
I took a good look around the Keel bolts it all looks the same. There are no Oyster rakes in that areas were he touched down. I went to the dock to help him put the boat back into the slip on Sunday. The tide was rushing thru when they tied up Sunday around 7: pm. I talked to the towboat us guy he said he did not need to call for a tow? He said the captain only had to hold on 45 min and the tide would have freeded him. He said if he would have dumped his 45 gallons of water he may have eased off. Who knows? I will take the Geo-Pro Hero and a light and take a swim an Saturday and check it out.Thanks guys.
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post #9 of 15 Old 06-25-2012
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Re: Soft grounding, Do I need to Check?

You also have the benefit of a lead keel. I wouldn't pull it.

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post #10 of 15 Old 06-26-2012
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Re: Soft grounding, Do I need to Check?

"I was not on her at the time, "
Then you absolutely want to put eyes and hands on it. Especially, to look closely for any hairlines in the rudder, which would lead to water intrusion to come.
Even a soft grounding can lead to pressures that will split the skin on a rudder, or bend the rudder post. Or clog an intake.
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