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Go Back   SailNet Community > Skills and Seamanship > Learning to Sail
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  #21  
Old 03-22-2012
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Re: Wing on Wing

I thought I had a photo handy that shows what happens to your Perforated Toe Rail when the preventer doesn’t release in time during an accidental gybe. The boat was a Perry Designed Nordic 44 and about eight inches of toe rail ripped out of the hull and deck. Repair bill ran in the four digits. I’ll try to find the photo at home. The problem with midship preventing is the loads when the boom drags in the water. You will either rip toe rail or break the boom or pull out the gooseneck. All of which will ruin your day. Just like Jackdale said, you want to prevent by running the line forward to the bow then aft so if you do go boom in, it will want to rise and not be so eager to cause damage. We do run a midship “preventer” to stop the main from slating in light airs or leftover seas. When we do, we spice in a little sacrificial cord to act as a fuse. Unfortunately, on the Nordic, we used a quarter inch diameter “fuse” which didn’t break in time to prevent our damage.
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Old 03-22-2012
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Re: Wing on Wing

Small boat can be vague.

I would not use a vang preventer on a vessel over 35 feet. Under 35 feet I would only do do in light air and calm seas and only if a boom end preventer was not tenable.

In ocean conditions I use a preventer when broad reaching as well and I will not go DDW.

BTW running in very light air is nearly impossible and very frustrating as you "outrun" the wind in lulls.
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Old 03-22-2012
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Re: Wing on Wing

My mid boom preventer pulled 6 feet of spruce off the bottom of my boom once. Now I run a line from the end of the boom to the forward deck cleat and back to the cockpit. It is spectra as even a small amount of stretch will allow the boom to still gybe because of the geometries involved. Actually, usually we just put a crew on the cabin top leaning against the boom to keep it from gybing accidentally. I would not try wing on wing without a pole except in a bay with no waves.
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Old 03-23-2012
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Re: Wing on Wing

I have a spinnaker in the sock, but no idea how to use it :-(
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  #25  
Old 03-23-2012
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Re: Wing on Wing

Quote:
Originally Posted by BreakAwayFL View Post
I have a spinnaker in the sock, but no idea how to use it :-(
I am assuming that it is a gennaker.

North Sails has a good video. The only thing I do differently is use a tack strap. There is no consensus about using one.

North Sails: Gennaker Handling Video
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