[C320-list] FW: Re: Single Line Reefing

Thu Jun 8 17:15:25 PDT 2006

Dave,

Your reef line is rigged similarly to my 1998 boat which is what I drew and 
posted on the 320 site. One exception is the first luff cringle. If you have 
one set of reef points, that first cringle must be about a foot above the 
boom and would be used for a cunningham. My line does not pass through it. 
Doing so might help to keep the lines a little neater, but might also add 
friction to the system. Your line is tied at the second cringle. So is mine. 
An alternative is for the line to pass through that cringle and back down to 
the boom where it would be tied off at the tack. Rigging the line through 
the cringle and back down it will provide more purchase but I think the 
trade of is more friction unless there is a small block at that cringle as 
on the 380 site.

Your line 2 is not led correctly. You want that line to pull the sail back 
AND DOWN. The line should run up and through the leach cringle and back down 
to the boom at a point slightly behind where the cringle will be when 
reefed. At that point the sail should have a grommet or a slit in the foot 
tape just above the boom. The line passes through that hole and ties around 
the boom.

JeffC

----- Original Message ----- 
From: "Dave Anderer" <danderer at udel.edu>
To: "C320-List" <C320-List at catalina320.com>
Sent: Thursday, June 08, 2006 5:59 PM
Subject: Re: [C320-list] FW: Re: Single Line Reefing

Ok, now I'm more confused than usual.  My rig - which I assumed to be
original - is significantly different than what is described in this
article.

I've got one set of reef points, and a single-line system, but with 2 lines.

Line one goes from the port clutches up to the gooseneck, in the boom,
around a double-pulley in the boom, back out the gooseneck, down to a
block mounted on the mast (where the vang is mounted to the mast), then
up through a cringle on the luff, and through a 2nd (higher) cringle on
the luff where it is knotted.

Line 2 is secured at the outboard end of the boom, run inside the boom
to the double-pulley, and back out the end of the boom to a cringle on
the leech where it is knotted.

Was that the factory-rigging on a '99?  Seems awfully convoluted.  The
modified 380 scheme seems significantly better.

[Ah ha!  Here is the rig I have:
http://www.catalina320.com/gallery/Alternative-Route/IMG_0226  Was that
how it came from the factory - I'm guessing not based on the comments
with this image.]

Karl Mielenhausen _/) wrote:
> Better yet, this article (and many other fine technical articles) are on 
> the C380IA website....
>
> http://www.catalina380.org/article_display.asp?ID=114
>
>
>
> A nicely organized resource for us also!!!!
>
>
>
> Karl Mielenhausen
>
> 2000 C320 Hull#690 "Silver Lining"
>
> New Bern, NC
>
> http://members.cox.net/mielen/
>
>
>
> From: Walter burnett [mailto: selkie2003 at yahoo.com]
>
> To: C320-List at catalina320.com
>
> Date: Wed, 7 Jun 2006 13:56:05 -0700 (PDT)
>
> Subject: Re: [C320-list] Single Line Reefing
>
>
>
> Irv,<br>   <br>  The pulley idea originally came from a Mainsheet article 
> in the C380 tech section a year or two ago. If you have the back issues, 
> you should be able to find it.  You rig the 320 reefing system excatly the 
> same way.  Works great.<br>   <br>  Walter<br>  Selkie #887<br><br>Irv 
> Grunes <igrunes at comcast.net> wrote:<br>  Stan,<br>Thanks for the reply. 
> Again yours is an elegant solution and the fact that<br>everything is run 
> through pulleys elimintes a lot of the friction.<br><br>If one would do 
> the same to the leech luff, theneverything would be throgh<br>pulleys. 
> Thats just a thought.<br><br>Did you do anything to the mainsail to 
> protect it from any chafe by the<br>block working against it?<br>When the 
> sail is down and furled, that block must just sit there and not<br>bother 
> the sail cover.<br>As you can see I am trying to visualise any and all 
> problems.<br>I realised that it will be necessary to change the reeving on 
> the mast base<br>blocks so that the existing block will be the last block 
> before the line<br>goes into the boom.<br>Irv Grunes<br>Isle of Wight 
> #851<br><br><br>-----Original Message-----<br>From: 
> C320-List-bounces at catalina320.com<br>[mailto:C320-List-bounces at catalina320.com]On 
> Behalf Of Stanley<br>Rogacevicz<br>Sent: Wednesday, June 07, 2006 1:10 
> PM<br>To: C320-List at catalina320.com<br>Subject: Re: [C320-list] Single 
> Line Reefing<br><br><br>Irv,<br>I figured my explanation might come up 
> short. The block stays with/at the<br>same level (well, maybe a couple 
> inches below at most) as the reefing<br>cringle it replaced because the 
> little line that passes through the<br>cringle/gromett is only long enough 
> for attachment. When reefed the block<br>would end up in the boom area but 
> since it is being pulled down by the block<br>at the mast base that's 
> fine. My addition did involve switching a couple<br>block leads 
> around.<br>I'm assuming as did a couple other posters that you already 
> have a single<br>line reefing standard on your boat --- I did *-- I just 
> wanted to reduce<br>the friction of the line passing through the reefing 
> cringle by -<br>replacing - it with a block = less friction.<br>No... I 
> don't remember the block I used. Many of my projects are simply<br>find 
> what looks right and make it work.<br>Stan<br><br>>>> igrunes at comcast.net 
> 6/7/2006 12:48 PM >>><br>Thank you Stan.<br>I think its a very elegant way 
> to mount that block.<br>If you can remember the block you used it would be 
> appreciated.<br>Also, with the sail fully raised about where did the block 
> finally rest?<br>Did the block rest on the sail or was it at or just above 
> the boom?<br>How did you keep the block from flopping around or did the 
> fact that the<br>reefing line was through the block, it kept it from 
> flopping too much.<br><br>If I picture it correctly, there is about two 
> feet from the sail tack to the<br>luff reefing cringle, then you would 
> only need to have that two feet to pull<br>it down. I assume there was 
> enough room below the boom to pull it down.<br>Thanks for the 
> reply.<br><br>Irv Grunes<br>Isle of Wight 
> #851<br><br><br><br>-----Original Message-----<br>From: 
> C320-List-bounces at catalina320.com<br>[mailto:C320-List-bounces at catalina320.com]On 
> Behalf Of Stanley<br>Rogacevicz<br>Sent: Wednesday, June 07, 2006 11:42 
> AM<br>To: C320-List at catalina320.com<br>Subject: Re: [C320-list] Single 
> Line Reefing<br><br><br>Irv,<br>I did it, but it's one of the very few 
> things I never posted a<br>picture of and it's a bit hard to describe. I 
> used a large SS washer<br>(too big to pass through the grommet) with a 
> small hole on one side<br>attached to a small block on the other side of 
> the sail grommet. I<br>passed a small line (about 3/16) through the 
> washer, then through the<br>grommet, then through the body of the block, 
> then back through the<br>grommet, back through the washer, and then tied 
> the two ends together<br>with a big enough knot to keep it from passing 
> through the washer. Not<br>very elegant, but by not using any sharp metal 
> objects for connections<br>it didn't damage the sail and did the 
> job.<br>Stan<br>(formerly) Christy Leigh<br>c320 
> #656<br>Wickford/Narragansett Bay RI<br><br>>>> igrunes at comcast.net 
> 6/7/2006 11:17 AM >>><br>Guys,<br>There was a thread a year or so back 
> about single line reefing. I just<br>sent<br>the following to my boat 
> partner.<br>Is there any album that shows what people used for the luff 
> pulley<br>described<br>below and has anyone actually done this?.<br>I 
> don't remember it right now, but there is supposed to be a way 
> to<br>make<br>reefing a single line control by addig a pulley to the main 
> luff<br>reefing<br>cringle. Then reeving the port side reefing line from 
> the cockpit<br>stopper to<br>the deck mast pulley(where it now is), up 
> through the new luff reefing<br>pulley, down to a new mast base pulley, 
> into the boom then to the<br>leech<br>cringle as we now have it, then to 
> tie off at the boom. The key being<br>a<br>pulley on a strap of some kind 
> on the luff reefing cringle. The main<br>objection to this as I remember 
> it, was all of the resistance that is<br>encountered by the lines going 
> through all of the pulleys. This would<br>eliminate the need to go on deck 
> in possible bad weather to reef the<br>main.<br>Irv Grunes<br>Isle of 
> Wight #851<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> 
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