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 Catalina 250 Specific Forum
 clew cringle question		  New Topic  Topic Locked
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AADIVER
Admiral

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USA
966 Posts
Initially Posted - 04/18/2006 :  00:24:17  Show Profile  Visit AADIVER's Homepage
What is the purpose of the small cringle just below the clew reefing cringle?
BTW, this clew reef is rigged wrong. I've changed it per post response advice, for which I'm very grateful.
Frank Farmer
Long Beach, CA
aa.diver@verizon.net
http://mysite.verizon.net/aa.diver

PRETTY PENNY
'01 C-250 WK, Hull #558
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Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts
Response Posted - 04/18/2006 :  08:01:24  Show Profile  Visit Arlyn Stewart's Homepage
The cringle is there so that the reefing line can be tied around the boom before it ascends to the reef cringle. An alternative is an eye strap or if loose footing it is no problem. The sail maker has simply provided for the contingency that the reefing line will be secured to the boom by wrapping it and of course done at a proper place to pull the reef clew.
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Steve Milby
Past Commodore

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USA
5895 Posts
Response Posted - 04/18/2006 :  08:40:04  Show Profile
That cringle is used to rig the reefing line differently from the way yours is rigged. There's no one "right" way to do it. It can be rigged many different ways.

One way would be to tie a loop around the boom (through the "mystery" cringle), and then lead the line up the starboard side of the sail, through the flattening reef cringle, down the port side to a cheek block mounted on the port side of the boom, then aft to a block on the end of the boom, and then forward to a cleat on the boom.

One advantage to rigging it that way is that, if you position the turning block on the port side of the boom about 4-5" aft of the flattening reef cringle, then when you pull on the reefing line, it will pull the reefing cringle all the way down to the boom, and that will help keep the sail flat and taut.

By comparison, you presently have it rigged slightly different from the way shown in the photo of Bill Holcomb's arrangement. The line on yours is pulling more aft than downward. As a result, the closest that it will pull the reefing cringle down to the boom is about 6". When you put a lot of tension on the mainsheet, it pulls down on the boom, and that tension is transferred to the outhaul line and to the block that it runs through.

Take another look at the photo of Bill's system. He has a cheek block on the port side of the boom, located about where I suggested. It pulls the cringle down to the boom, instead of pulling it aft and leaving it suspended about 6" above the boom. I'm not sure where the end of the flattening reef line is attached after it passes through the clew of your mainsail, but I'd suggest you untie it, and then feed it through the cringle at the bottom of the sail. Then lead it under the boom and up the starboard side. Then tie it to itself, forming a tight loop around the boom. Then mount a turning block on the port side of the boom, approximately as shown in Bill's photo. Lead the line through the turning block, and then aft to the snatch block on the end of your boom, and then forward to the cleat.

There are lots of little variations on this arrangement, but this is the first one that comes to mind.
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AADIVER
Admiral

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USA
966 Posts
Response Posted - 04/18/2006 :  10:59:02  Show Profile  Visit AADIVER's Homepage
"One way would be to tie a loop around the boom (through the "mystery" cringle), and then lead the line up the starboard side of the sail, through the flattening reef cringle, down the port side to a cheek block mounted on the port side of the boom, then aft to a block on the end of the boom, and then forward to a cleat on the boom."

Thanks, that's exactly how I re-rigged it.
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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.