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Old 08-24-2011, 10:05 AM   #1
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Would you run aground on purpose

I plan on grounding the boat this weekend I need to check out the keel. I hit a dead head or something last weekend*and I'm to cheap to hire a boat lift for this.

I know a sandy beach where the water go's out 6 or 8 ft. A friend of mine anchored his 36 ft sailboat there and wound up on the hard accidentally.

Shouldn't be a problem if I can just get her to lay on the side I want her to. I plan on using a kedge anchor off to port and ease her over on that side.

I have a couple of large bouy's. The plan is to use my hydraulic davit to snug them under the side to keep her from going all the way over on her side

Then Just hang out and wait for the tide to come back in.

Do you think I'm nuts?

SD


-- Edited by skipperdude on Wednesday 24th of August 2011 10:13:00 AM
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Old 08-24-2011, 10:14 AM   #2
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RE: Would you run aground on purpose

Be careful. Some boats will lie over on their chine just fine when the water goes out but when it comes back in there won't be enough water to begin to right the boat before it comes over the low gunwale and floods the boat. I know of a GB42 that was lost this way when it went aground on the mud coming out of the Swinomish Channel near La Conner. in Washington state. No damage done when the boat heeled over but it required a water depth to begin to float it that was higher than the low side of the deck. The boat flooded and stayed on the bottom and a salvage outfit on Whidbey Island ended up with the boat. I would be very leery of trying this unless I knew beforehand that the kind of boat I had would begin to right itself before the water level came over the low side.
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Old 08-24-2011, 10:17 AM   #3
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RE: Would you run aground on purpose

No problem there.

The deck is totally water tight with scuppers to make the deck self bailing.

SD
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Old 08-24-2011, 10:29 AM   #4
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Would you run aground on purpose

The problem is not the deck, it's water running into vents, under cabin doors, around windows and hatches, etc. It's kind of a death-spiral situation. As water comes in it adds weight which in turn means more water is needed under the boat to float it. But the higher the water gets, the more will come in and the boat gets even heavier.

You say you plan on putting a couple of buoys under the low side of the boat.* Do you mean air-filled?* Are you sure they will support the weight of the boat without rupturing?* Are you sure they won't "squirt out" from under the side as the boat goes over?

Personally I would never do this with my boat. The risks are too high. What if as the tide goes out the hull settles on a small rock or piece of debris? You'll need to secure everything in and on the boat to keep it from falling off, out, or over. I don't like the idea of potentially jamming a through hull down into the mud. If I didn't want to pay the price of a proper haulout (and given the overall cost of boating a quick haulout is a drop in the bucket) I'd put the boat on a tidal grid if there is one in the area. That way the boat stays upright, the keel is supported properly, and the risk of flooding is non-existent.

Careening a boat (the correct term for what you're proposing) has been a tried and true method of working on a boat's bottom for centuries.* With the right boat and the right conditions it can work very well.* But it does carry an element of risk.* And since once your boat falls all the way over or the hull is damaged on something or it floods through a vent or some other opening you never thought it would flood through you can't undo that by going back in time, it's better, in my opinion, to elminate the risk altogether.

Unless, as I say, you know for certain that your boat can be successfully careened because other people have done it successfully with the same type of boat under the same conditions.


-- Edited by Marin on Wednesday 24th of August 2011 10:37:19 AM
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Old 08-24-2011, 10:44 AM   #5
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RE: Would you run aground on purpose

I appreciate you concern but I know the beach and as all my through *hulls are on the starboard side save one.**Now that you mention it*I will plug. It is the one for the bilge pump*in the engine room. My boat has 4 watertight compartments. The fish hold the fuel lazarette the engine room and the fo'c'sle.* she has a hard chine at the turn of the bilge and with the bouy's on that side I don't think she will go all the way over.

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Old 08-24-2011, 10:50 AM   #6
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RE: Would you run aground on purpose

GBs have a hard chine, too, and that is what the boat sits on (along with the keel) when the water goes out from under it. And with a GB twin, the props, shafts, struts, and rudders are so close inboard that they do not contact the bottom when the boat is careened like this. However the angle and weight of a careened GB is such that there is a risk of flooding before enough water is under the hull to begin to pick it up.

But if you're confident your idea will work then give it a shot. If it does work with no problems then you'll know and other people with similar boats will know, too. If it doesn't work, you can take comfort in the fact that anything can be fixed if you throw enough money at it :-)
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Old 08-24-2011, 10:52 AM   #7
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Would you run aground on purpose

So let us know how this works out for you?


-- Edited by Edelweiss on Wednesday 24th of August 2011 10:54:02 AM
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Old 08-24-2011, 10:55 AM   #8
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RE: Would you run aground on purpose

Could you get some jack stands to support the boat upright? If the ground is solid enough that could help keep it up.
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Old 08-24-2011, 10:59 AM   #9
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RE: Would you run aground on purpose

I would not ground if there where alternatives or*if it was*NOT*an*emergency.

Hire a diver. Use a grid.***

So how are you going to check the keel it is in/on the ground?*
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Old 08-24-2011, 11:08 AM   #10
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RE: Would you run aground on purpose

Quote:
Woodsong wrote:
Could you get some jack stands to support the boat upright? If the ground is solid enough that could help keep it up.
*Water's to cold and I don't own a dry suit. That is why the bouy's

SD

*
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Old 08-24-2011, 11:15 AM   #11
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RE: Would you run aground on purpose

Quote:
Phil Fill wrote:
***So how are you going to check the keel it is in/on the ground?*
*What ever I hit wasn't in shallow water. I'm sure it didn't strike the keel.

It was amidships on the starboard side.

Why pay for something when it isn't necessary.

Like Marin said if it works it works with nothing out of pocket.

I'm sure it will be fine. I have talked to commercial fishermen in the Sound. Lot of the have done this. Just the first time for me.

SD*
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Old 08-24-2011, 11:24 AM   #12
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RE: Would you run aground on purpose

On the subject of deliberate groundings, people in Europe tend to be more clever than people in the US if for no other reason than they've been at it longer. With massive tides in the UK combined with beaches, bays, and harbors with very shallow slopes, it's not uncommon in some places like Morecambe Bay that when the tide is out the water is miles from the shoreline, literally out of sight over the horizon. So they long ago figured out how to deal with their boats going aground at their moorings every day and the designs of their boats reflect this requirement. Note the sailboat solution.

First shot is a typical small boat harbor in the UK, second shot is on Morecambe Bay, third shot is the town of Mousehole in Cornwall.* Mousehole is pronounced "mowzull" and the name has nothing to do with mice.
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Old 08-24-2011, 11:48 AM   #13
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RE: Would you run aground on purpose

In theory it looks possible. In practice it might end up costing a LOT more than a haul out or a diver...
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Old 08-24-2011, 12:11 PM   #14
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RE: Would you run aground on purpose

Would you run aground on purpose?

I sure would, but not for the purpose you're considering.* Running her up on the beach is one of my emergency plans.* The Chesapeake is so shallow I figure I can beach her, or get close enough so that after the hull settles into the mud I'll still be fat, dumb and happy, and dry, up on the fly-bridge.* If the FL120 keeps turning long enough to get me there.

I'm not worried about the boat, just getting the crew & passengers to safety.
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Old 08-24-2011, 12:44 PM   #15
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RE: Would you run aground on purpose

Quote:
Willy wrote:
*
*Hip waders, they come in handy for such things.

*

*Yep. Got chest waders. I'll be using them
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Old 08-24-2011, 01:26 PM   #16
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RE: Would you run aground on purpose

As a kid, once in Useless Bay, Whidbey Island, we awoke on our 31' Trojan only to find us high and dry on the sand at low tide. Tide came back in, floated and no problem. Dad did a better job of looking at the tide chart after that.
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Old 08-24-2011, 01:56 PM   #17
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RE: Would you run aground on purpose

Quote:
skipperdude wrote:
I plan on grounding the boat this weekend I need to check out the keel. I hit a dead head or something last weekend*and I'm to cheap to hire a boat lift for this.

.................................

Do you think I'm nuts?

Yes, I think you are nuts.* How much is your boat worth vs. the cost of a haulout or a diver?

Would I ground my boat on purpose?* Yes, but only if it was sinking.
*
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Old 08-24-2011, 02:13 PM   #18
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RE: Would you run aground on purpose

Quote:
rwidman wrote:*

Would I ground my boat on purpose?* Yes, but only if it was sinking.
*

You left out, if it was on fire? *I would want to beach it so I could:

1. Get off

2. Enjoy the fire

3. *Make sure it burned to the keel (Wouldn't want the insurance company to raise it and give it back to me **

*

Larry B
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Old 08-24-2011, 02:19 PM   #19
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RE: Would you run aground on purpose

One other reason to question the careening of a modern fiberglass (or I suppose even steel or aluminum) boat, and that is that unless the hull is supported perfectly evenly the chances are good it will "wrack" a little bit as the weight settles onto the uneven bottom. Even a bottom that looks flat to your eye may not support the hull properly. And this wracking or twisting, however slight, could cause problems ranging from changing the engine-shaft alignment to cracking bulkheads or overstressing their attach points to cracking window glass to shifting fuel or water tanks in their mounts.

It will be interesting to hear how your boat fares in this experiment. I hope it does fine and you experience no problems. But I'm very glad it's your boat that's the guinea pig here and not mine :-)
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Old 08-24-2011, 02:26 PM   #20
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RE: Would you run aground on purpose

A man has got to know his limitations and the limitations of his equipment.

I live in an area with few services and those that are available are questionable at best.

Right now the travel lift is broken down again and the only trailer capable of hauling my boat is also on the mend as a friend had his boat holed trying to use said trailer.

with the re-vamp of the harbor going on the tide grid is unavailable.

As I am not a diver. I don't want to take someones elses discription of the hull of my boat. I want to see for myself.*

I am really not concerned about this at all.

It's an adventure and I am kind of looking forward to this.* There will be three other boats along for the fun.

Sort of "Hold My beer and watch this".

SD

*

*
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