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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
 Preventer for 20 knot winds...		  New Topic  Topic Locked
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kevinmac
Admiral

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USA
732 Posts
Initially Posted - 06/09/2006 :  07:34:05  Show Profile
Hi folks,

I participated in my first race last night. Had a great time. Kicked butt upwind, but then tried sailing broad reach rather than wing on wing downwind, and discovered that when sailing downwind against a 2 knot river current, wing on wing is the way to go.

So I need to rig a preventer that I can use in all wind strengths for my boat. I read Arlyns great idea for using the vang on the stanchion, but he recommends that for only up to 15 knot winds. Where I race, 20 is common.

Can anyone suggest how to rig a preventer for stronger winds?

Thanks.
Kevin Mackenzie
Former Association Secretary and Commodore
"Dogs Allowed"
'06 C250WK #881
and
"Jasmine"
'01 Maine Cat 30 #34
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SEAN
Admiral

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USA
772 Posts
Response Posted - 06/09/2006 :  09:53:25  Show Profile
I just got a drifter sail and I have been useing the tack line to pull the jib clew forward to make a deeper draft on light days .(seems to work )
You could use that set up and instead of hooking the jib hook where the main sheet ataches the boom.
or wrap the line around the boom a couple of times for a strong hold.
I just put a block where the furler atatches,
theres 3 empty holes.
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takokichi
Captain

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USA
321 Posts
Response Posted - 06/09/2006 :  13:03:27  Show Profile
I wouldn't prevent in 20 knots for a couple of reasons - first, its a good way to break your boom. Second, its a good way to set yourself up for a situation in which you cannot respond to a close quarters maneuver by another boat. Better to learn to anticipate the gybe.

We found that when sailing wing and wing, our best speed was made by poling the jib out to windward - like a chute - and letting the main set to leward, we'd then head up just a touch. nice balance, great speed, little to no risk of an unintended gybe. We help off a J24 under spinnaker in very light air for almsot three miles that way. Pissed them off to no end!
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Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts
Response Posted - 06/11/2006 :  07:56:44  Show Profile  Visit Arlyn Stewart's Homepage
Justin, I agree about not using a preventer in a breeze... and, your thoughts on downwind sail are good ones. With the large main and 110, one has to bear off too far on a reach for the jib to be effective leaving the fastest course to a downwind mark to wing the jib and if a bit to weather on a pole... its no big deal.

On ocassion, I will also run the drifter, which will fill in the mains shadow but it doesn't produce much more speed over the wing and wing and so is done for the fun of it. It may seem odd that I'd discount the power of the drifter in this settup if it will fill... perhaps the explanation is in the lightness of the fabric... the drifter will fill and shape so easily that there may not be much power there.
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PZell
Admiral

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USA
548 Posts
Response Posted - 06/11/2006 :  14:40:13  Show Profile
We commonly race in 20 or above. Often on the offwind portion it is advantageous and much safer & faster to prevent the main and go on a broad reach tack downwind. It's also safer and more efficient to prevent the main if you go wing & wing in high wind and following seas. Rather than removing the vang and putting one end to a stanchion, I've added another set of blocks on the genoa track. One of their uses is for a preventer. I have a small bail on the boom for the vang and a line can be clipped to it and run thru the block on the genoa track and back to the cockpit where it can be controlled and easily released. One could be permantly fixed to both sides if you wanted. A back issue of Sail mag., I believe also had a similar set up which is a bit more sophistocated, where essentially you have two preventer vangs with lines leading back to the cockpit. Very dangerous not to prevent in high wind rolly conditions, bound to break something if the boom gets going or oscillates.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.