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Catalina/Capri 25/250 Sailor's Forums

Catalina 250 Specific Forum

Main halyard question:

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AADIVER
Admiral

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USA
966 Posts

Initially Posted - 06/28/2008 : 14:56:15

The main halyard on our 250's seems a bit skimpy. Can we "beef" it up another eighth of an inch or does the mast head sheave limit its diameter?

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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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 06/28/2008 : 15:24:11

Not sure what you mean by "skimpy." My halyard seems fine. I don't have my manual with me right now but I am sure there is some range that the sheeve is designed to handle. There are some very good high strength lines available these days. Are you concerned about the strength of the line or are you looking for something fatter to facilitate handling? We have gone to thinner high-tech lines for most of our running rigging. We've found that going a tad thinner has improved the self tailing winch performance. Since I handle the mainsheet a lot I like that one to be thicker and softer.

Edited by - Nautiduck on 06/28/2008 15:25:30

AADIVER
Admiral

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966 Posts

Response Posted - 06/28/2008 : 19:28:22

"...something fatter to facilitate handling..."

That be it; another eighth of an inch should do 'er.

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Nautiduck
Master Marine Consultant

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3704 Posts

Response Posted - 06/28/2008 : 20:27:51

Manual says 5/16 is standard. I think another 1/8" (7/16") would be too much. You might be able to go to 3/8" though. We use the winch to raise the main so diameter is not that critical for us.

Edited by - Nautiduck on 06/28/2008 20:33:23

delliottg
Former Mainsheet C250 Tech Editor

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USA
4479 Posts

Response Posted - 06/28/2008 : 20:30:59

Frank,
I don't know if this helps or not, but on our '97, we use 3/8" double braid run down the mast, then through deck organizers back to clutches on either side of the hatch. I will be dropping my mast probably next week (this weekend is just too hectic, sorry), and I can measure the sheave diameter for you (no guarantee it's the same as yours).

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AADIVER
Admiral

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USA
966 Posts

Response Posted - 06/28/2008 : 20:45:27

David, mine's an '01 so I'm sure the sheave is the same. I also have the 3/8 diameter and use the starboard winch to raise the main. 1/2 inch would be easier to pull if the sheave could handle it.

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britinusa
Web Editor

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USA
5404 Posts

Response Posted - 06/29/2008 : 07:37:38

Frank, how do you raise your main?
On JD, the main halyard passes through and is secured by the stbd clutch. I use the winch to pull the sail up (freewheeling till it gets heavy).

Paul

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 06/29/2008 : 22:14:33

I just changed out the wire to rope halyards on our C-25, going from a 3/8" line tail to 5/16" all rope, which works just fine for both halyards.

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Stardog
Captain

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USA
319 Posts

Response Posted - 07/01/2008 : 09:21:22

I've always used 3/8" line for halyards, it is easier to get a grip on. It also makes people feel more safe when you use it to hoist them to the masthead.

I'd be interested in knowing what you all are using for your mainsheet. In the past I used 7/16" single braid line I got from WM, it's soft to the touch, without that slippery outter shealth. It's supposed to be very low stretch as well, and so good for halyards and sheets. I just replaced it with 3/8" double braid. I'm not sure I like the slightly smaller diameter, slippery feel and it has more of a tendency to kink.

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 07/01/2008 : 12:43:22

We've pretty much replaced all running rigging with thinner, stronger lines. The only line I am keeping soft and fat is the mainsheet.

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Turk
Admiral

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USA
736 Posts

Response Posted - 07/06/2008 : 06:44:17

I replaced my main halyard several years ago only after 2 years of use. The inner core of the lines that Catalina used on my boat had become "crushed" and would no longer hold. I replaced the lines with a good quality of the same size and am very happy. I did call Catalina and they said not to go larger because of the sheaves they use (5/8') . I do think 3/8" would be fine though.

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