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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Length of mainsheet std rig

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kalinowskik2
Deckhand

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3 Posts

Initially Posted - 03/31/2006 : 15:06:17

Does anyone know the standard length of the mainsheet C25, 1985, std rig?
The one on there now is much longer than needed. It's old and needs to be replaced this season. I don't want to buy more line than I need. Also, what size dia. is it?
Thanks!

Kathleen on "Jolie", Barnegat Bay

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StSimon
Captain

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USA
298 Posts

Response Posted - 03/31/2006 : 22:52:07

I wouldn't swear to it but I believe the factory setup is 3/8" x 75'. When I replaced all my running rigging I went with a much shorter mainsheet. I don't recall exactly what length but I do remember I ran the boom out to the rear shrouds and checked how long I needed then added a couple of feet. Layline is a great source for all your line needs.

Hope this helps...

Edited by - StSimon on 03/31/2006 22:52:34

lcharlot
Master Marine Consultant

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Antigua and Barbuda
1301 Posts

Response Posted - 04/01/2006 : 01:49:48

If your mainsheet blocks are 3:1, 60 feet of line may be enough. The best way to check is to buy 100' of something cheap, like clothesline at Home Deport, and run it through the mainsheet blocks with the boom swung out as far as it will go. You want to have at least 6' more than that amount of line so that you can work the mainsheet from any place in the cockpit. Mark off that length on your cheap clothesline then go buy that amount of 3/8" Sta-Set from whatever boating supply store is convenient to you. NOTE: If you use your mainsheets as part of the tackle for your mast-raising system, you may need to use more line, like 80', or they will not be long enough to reach from the bow chainplate to the top of the gin pole, with enough standing part slack to lead back to the cockpit winches.

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 04/01/2006 : 13:30:13

Kathleen,

To get an accurate length for your setup, simply measure your old line subtracting the excess that you don't want.

Just last Saturday, I replaced my mainsheet from the clearance section at my local West Marine. They had a spool with 85' on it, but since I wanted only 70', they threw in the extra 15' as a bonus. Between the instant $10.00 off coupon and the clearance price (1/2 off), I paid $27.00 for 85' of 7/16" white/red fleck Sta Set, about .31/ft.

When I replaced my mainsheet blocks years ago, I went a size larger to accommodate a larger diameter line (7/16"). I like the larger line because its easier to yank on, especially for my wife and daughters.

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Champipple
Master Marine Consultant

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USA
6855 Posts

Response Posted - 04/02/2006 : 20:46:48

I went with 1/2" 65 feet with a 6:1. was way to short and I had to use it as a 4:1 - we picked up 100 feet of the same and plan on swapping it out soon.

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Leon Sisson
Master Marine Consultant

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USA
1893 Posts

Response Posted - 04/02/2006 : 21:36:45

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">...1/2"...6:1...<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

But what if the wind picked up

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 04/02/2006 : 22:43:25

With a 6:1 mainsheet, you wouldn't need a backstay adjuster, just crank on the leech to bend the mast!

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kalinowskik2
Deckhand

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3 Posts

Response Posted - 04/03/2006 : 09:39:52

Thanks for all the advice. I had ended up replacing the mainsheet before any one replied though the replies are interesting... my mainsheet is 38' of 7/16. I just took the old one to WM to compare and ended up buying identical line & length. I know it's more than long enough because I have excess when easing the boom all the way to shrouds. You guys must have a different set-up, mine's 3:1 and 38' gives me plenty of extra line. The new mainsheet is sooo nice! It's funny how a bit of new line can make you smile... my husband thinks I'm hilarious.
PS Cost was $35.00 (on sale) which is pretty good for any new boat equipment!

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