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New Lines For Old Disco...how much and what size?

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Old Disco Queen
1st Mate

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USA
66 Posts

Initially Posted - 10/18/2008 : 17:05:04

Hey fellas,

I want to put new lines on Old Disco (Standard, 25 Cat 1984) and hope someone can help. I want to run line back to the cockpit (external to mast, no wires). Can someone help with size, length, ect? Thanks

Stephen

1.Main Halyard
2.Main Downhaul
3.Jib Halyard
4.Jib Downhaul
5.Jiffy Reef (set up like the parts manual ...current line missing, will run it to the cockpit also)
6.Main Line
7.Boom topping lift line
8.Painter
9.What do you guys think best used for dock lines?
10.Main Outhaul

Stephen J. Moore

Edited by - on

ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 10/18/2008 : 23:57:02

Jib and main halyards 65'... or a bit more if you want some extra length for eventual wear compensation.
Main topping lift 75' if being lead back on cabintop.

Jib downhaul depends a bit on how you are going to run it... with fairleads along the stanchions to the jib tack? (as commonly done)

I don't have a main downhaul... don't need one. Lube your slugs with silicone spray periodically and it will come down on it's own... sometimes too fast :>)

I use braided dock line... some folks like 3 strand nylon. 3/8" works.

Hafta look at the other lines to get lengths.

Edited by - on

OLarryR
Master Marine Consultant

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USA
3462 Posts

Response Posted - 10/19/2008 : 08:02:01

Here is a previous discussion on what I and others used for sheets.

http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=16860& SearchTerms=samson,t

The thing about the lines used for sheets and halyards - Go with what others recommended or check out the tables in catalogs such as West Marine. Some lines are too stiff for some applications and others may be subject to too much stretch. The lines that stretch the least are generally more expensive. However, if the same line is stiff, then it would not be suitable for use, such as, the main sheet. There lines that have minimum stretch and not that stiff. The Samson line I used (see link above) is excellent for the main and jib sheets.

As far as dimensions spec'd for the boat, the tech tips section has the manuals and believe there is a sketch that indicates all the recommended lengths and thicknesses.

Edited by - on

Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 10/19/2008 : 11:08:59

Another criterion for line thickness is what your clutches are designed for. Too big or too small won't work properly in them. I got my clutches and halyards (5/16 Krypton) from Catalina Direct, so I was pretty sure they matched up right.

A downhaul doesn't need a clutch, strength, or size for ease of handling--1/4" is plenty, and a little cam cleat with a fairlead on top will hold it fine.

BTW, what's the "Main line"?
Edit: Never mind... I'm guessing mainsheet. I like 3/8" single braid for sheets--it's soft on the hands, doesn't hockle like double-braid sometimes does, and coils nicely.

Edited by - Dave Bristle on 10/19/2008 11:16:53

Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 10/19/2008 : 16:06:05

I used vectran cored double braid for halyards - 1/4" for the main and 5/16" for the jib. Stayset for my sheets is also from New England rope.
The brand doesn't matter that much, all of the premium line makers produce equivalent lines but they may have slightly different feels. I have a 3/16" downhaul that is occasionally useful. Pearl came with 5/8" sheets - they felt good in the hand but weighed a ton and reshaped the sail in light winds. I agree with Dave, 3/8" feels right.

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 10/20/2008 : 12:13:25

I went to all rope halyards this summer, replacing masthead sheaves and wire to 3/8" rope halyards with 5/16" Sta-SetX line, approx. 75' each (I have a tall rig), although the main halyard can be a few feet shorter. General rule that will serve you well is: jib - length of mast and forestay plus 5' plus distance back to cockpit if leading lines aft; main - twice length of mast plus 5' plus back to cockpit, etc. I bought mine on Ebay from Milwaukee Rigging. Outhaul and reefing lines are 1/4". My topping lift is wire down to about 3 ft' from the boom, then 1/4" line thru a turning block on the boom running forward to a cleat on the boom.
Main and jib sheets are 3/8" Sta-set line. working jib has heavier sheets that were on the sail when I bought the boat.
for dock lines. I use 3/8" line. I've got both braid and 3-strand. My spring line is 3-strand.

Edited by - dmpilc on 10/20/2008 12:45:41

pastmember
Master Marine Consultant

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2402 Posts

Response Posted - 10/20/2008 : 13:17:59

A painter on a 25' keelboat? Who are you tossing that too?

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Champipple
Master Marine Consultant

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USA
6855 Posts

Response Posted - 10/20/2008 : 14:22:55

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by pastmember
 A painter on a 25' keelboat? Who are you tossing that too?
<hr height="1" noshade id="quote"></blockquote id="quote">

an almost 6000 lb 25' keelboat. You better tie that to the base of the mast!

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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.