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 Catalina/Capri 25/250 Sailor's Forums
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 Downhaul
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Chris Z
Captain

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452 Posts

Initially Posted - 08/11/2007 :  21:12:13  Show Profile  Visit Chris Z's Homepage
Okay, we had our first real sail tonight after changing some rigging. A few questions have come up. The first is the downhaul. I have done a three to one arrangement with a block with a becket. I used the existing cleat as a turning point and tie off. The block doesn't seem to work real well because it hits the stopper for the boom. I would like to see what other people have done for the downhaul. Pictures would be great.

Chris Z.
Water Warrior
1982 Force 5

Former Owner Blown Away - C25

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 08/11/2007 :  21:39:57  Show Profile
To simplify things, I've turned my sliding gooseneck into essentially a fixed one by putting a stop above and below the gooseneck so it doesn't move up and down. I put the initial luff tension on with the main halyard, then use the cunngingham for fine tuning. With this setup, a downhaul is not required.

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Chris Z
Captain

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452 Posts

Response Posted - 08/11/2007 :  22:12:25  Show Profile  Visit Chris Z's Homepage
Don, do you put any purchase system on the cunningham. I am guessing you your the second grommet for this part.

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 08/11/2007 :  23:03:32  Show Profile
By downhaul, you mean a line to hold the boom down? I just use a 'fixed' line... no blocks, just a simple piece of halyard line with a hook on one end. The bitter end is secured to a cleat on the mast and the hook end to the boom. Rarely (if ever) will it need to be adjusted. Let the boom gooseneck rest on it's track stop, snug up the downhaul line to the cleat and you're done.

The cunningham often has a multi-parted purchase and it is typically led to a flattening reef point. A alternative to having a multiple purchase lash up for the cunningham is to lead the cunningham control line aft to a winch on the cabintop. Take your pick... since you already have a multi-purchase block rigged, might as well use it for that purpose.

You have a boom vang too... yes?

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Chris Z
Captain

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452 Posts

Response Posted - 08/12/2007 :  09:13:27  Show Profile  Visit Chris Z's Homepage
Yes, I have a boomvang rigged. I will try the cunningham arrangement. I have a grommet located about six inches above the bottom of the sail, so this should work well. I have a few ideas on how to set it up. I will try the different setups and post the results.

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Bill Holcomb
Admiral

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USA
769 Posts

Response Posted - 08/12/2007 :  10:01:02  Show Profile
Hi Chris,

I've also set up the gooseneck in a fixed position so that it doesn't slide up 'n down the mast slot. Then I've rigged a cunningham by securing a 10 ft 1/4" line to a SS padeye on the stbd side of the mast just lower than the gooseneck. The line is led up through the cunningham cringle and then down the port side of the mast to a swivel block. The extra line is tied to the handle on the main cabin hatch.

This lashup lets me quickly and easily change the cunningham tension from the cockpit. Here's a link that shows the swivel block (the photo is part of the tech tips section of this website)
http://www.catalina-capri-25s.org/tech/tech25/snkvang.asp

Bill Holcomb - C25 Snickerdoodle #4839


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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 08/12/2007 :  10:40:10  Show Profile
Bill has it right, of course... But regarding an earlier comment, I would be careful about using a winch on a cunningham (as opposed to on a halyard). The reinforcing around that reefing tack might not be what it is at the head of the sail or the lower tack (which is in effect reinforced by the foot of the sail)--a winch could easily put too much tension on it.

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aeckhart
Master Marine Consultant

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USA
1709 Posts

Response Posted - 08/12/2007 :  13:43:48  Show Profile  Visit aeckhart's Homepage
The cunningham is used to pull wrinkles out of the luff of the sail and thus move wind pressure from the leach more toward the luff. it takes very little effort to make the adjustment, usually only a good tug, then tie off on a cleat. I have mine secured on a double line clutch which also secures my rigid vang line. Too much "mechanical" pull may surley tear your sail.

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