Boat Capsize - SailNet Community
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post #1 of 24 Old 10-11-2013 Thread Starter
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Boat Capsize


The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.
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post #2 of 24 Old 10-11-2013
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Re: Boat Capsize

I would just like to take a moment to thank my Keel:

"I know other eschew keels over beam. So, I would like to thank you, Keel, for bringing me back to an upright position when I am over trimmed in puff"

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post #3 of 24 Old 10-11-2013
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Re: Boat Capsize

Finally the boat assumed a stable position.....

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post #4 of 24 Old 10-11-2013
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Re: Boat Capsize

I think that's going a little far- All that trouble just so he could replace the zincs and not get his wrenches wet? Seems foolish. ~LL
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post #5 of 24 Old 10-11-2013
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Re: Boat Capsize

That looked like they had lots of time to blow the mainsheet or bear off before they got too high - I wonder why they didn't.

I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
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post #6 of 24 Old 10-11-2013
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Re: Boat Capsize

First time I've heard a MOD70 described as a pleasure cruise boat.... What the hell is an AC72, then? Fast Ferry?
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post #7 of 24 Old 10-11-2013
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Re: Boat Capsize

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Originally Posted by SloopJonB View Post
That looked like they had lots of time to blow the mainsheet or bear off before they got too high - I wonder why they didn't.
I've never sailed a big cat before, so take this with a grain of salt. Feel free to correct me if I'm wrong.

First, it looks like once they got the starboard hull too high, the tiny little rudder on the port hull would not provide much turning force. At a 45 degree angle (or so) any turn on the rudder would just drive the aft end of the hull deeper into the water or up to the surface.

Even without the angle of heel, at the speed they were going, isn't it possible they had cavitation around the rudder, causing it to lose lift?

Second, wouldn't bearing off make it worse, since it would increase sideways force? Wouldn't it be best to point higher until pinching/luffing (and release the mainsheet, as you suggested)? That would lessen the heel (though probably lose the race).

Of course, capsizing isn't exactly a winning strategy, either.


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post #8 of 24 Old 10-11-2013 Thread Starter
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Re: Boat Capsize

I've never been on a boat like that but on the race boat I was on that took a knockdown my whole attention was on staying on the boat. How the real sailors on the boat were able to maneuver their bodies to get to where they could blow the asim so the boat would stand up again I don't know. I was watching my fingers slowing loosing their grip on the windward winch.

So if I had to guess I would figure that once they got tipped to a particular point line handling got so hard they never made it.

The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.
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post #9 of 24 Old 10-11-2013
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Re: Boat Capsize

First off, it's a tri, not a cat.
And I also do not understand why he didn't just break the main sheet loose, unless this was intentional? For the pictures? I believe the rig broke, so they were pretty expensive pics????
Ain't yachting fun?

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Last edited by capta; 10-11-2013 at 11:15 PM.
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post #10 of 24 Old 10-11-2013
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Re: Boat Capsize

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Originally Posted by capta View Post
First off, it's a tri, not a cat...
Well I know it's a technicality, but I didn't say it was a cat. I just said I had never been on one.

For the record, I've never been on a tri hull either.

I agree with you that if that was staged for the pictures (and it could have been, since they apparently hired a helicopter to follow them), then those were some very costly pics.


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