Gybe prevention on a 336

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David L

Has anyone used a gybe preventer on a 336. If so, how did you rig it? David
 
B

Bill O'Donovan

Preventer

I'm not familiar with a 336, but on my 29.5 I just swing the boom vang blocks down to the base of the stanchion post closest to the plates.
 
R

Rodney

Clip onto the base of the stanchion

I bought a prefab rig at West Marine. I clip it to the boom and to the base of the "appropriate" stanchion. I know this is not strong enough in a worse case scenario, but do not see a better solution. In the weather I find myself sailing, I am not concerned about the wind coming around rapidly, but rather my letting it drift across without noticing, and my rig will protect against that problem in light winds. Maybe someone will give us a better solution. Rodney S/V Avanti H336
 
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Wayne Bernhardt

Boom Brake

Is someone familiar with a "Boom Brake" to save your head and your rig in an accidental gybe? If so, where and how much?
 
D

Doug

option to stantion postition..stronger

Stantions are not made for this kind of abuse. The will bend the bases up and cause leaking or gel coat/glass cracking with a heavy gybe. They are made to keep you from falling off the boat and that is about it. Take a proper length of line and put a good size snap shackle on one end (bowline ok but splice better). Once you get you boom out there by letting out mainsheet, clip shackle to bale at bottom of boom (extra one is good but vang or mainsheet fitting will work too). Then walk the standing part of the line forward and cleat off on forward mooring cleat. This can take the load no problem. To gybe, just uncleat line, crank in mainsheet, gybe, ease and re-cleat. Kind of a pain in the ass but better than bashing your brains out or having leaky stantion bases running water down your interior hull liner.
 
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John Lemke

Yes, forward cleats

We also run our preventer to the bow cleats, but do it a little differently. We use two dock lines with the ends cleated to the bow cleats on each side, and bring the spliced loops aft of the shrouds. Connect a three or four to one vang with cam cleat to the end of the boom and snap shackle the other end to the mooring line on the leward side. Haul the tackle tight and your preventer is in place. To jibe, loosen the tackle, bring the boom centerline, and release the snap shackle. Complete the jibe, shackle the vang to the new leward dock line, and haul the vang tight. By the way. If you have already had a few uncontroled jibes, I would take a look at the bolts that secure the traveler lines at the end of the track. I cracked and bent ours with a few jibes, and one of them let go a few weeks later on a reach in 20 kts of wind. Fortunately the leward bolt held or the boom would have crashed into the shrouds. I replaced those bolts with the next larger size.
 
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David L

OK, here is the dumb question

I like the idea of using the bow cleat. Am a little leary of using the lifelines for anything. Here is the question. Did you run the lines from the bow inside or outside of the shroud lines? Thanks, David
 
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Scott

Preventers

We run a preventer (dockline) from the boom to the forward mooring cleat outside of the shrouds. It seems to me that this provides a better angle from which to steady the boom and we have so far had no trouble with the arrangement. Scott
 
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