Mauri pro has lots of on-line calculators and guides. Useful for an overall view of what you might want and what options there are.
02-26-2012 06:07 PM
What you need, is nothing more than 1/4" diameter. What feels good in your hand is up to you and your crew. I use line from 7/64th to 3/8th on my 25 footer, but most of that has to do with low stretch and low weight. If you're not concerned with that, then buy a spool of 3/8th sta-set and be done with it. Use it for the whole boat. Not a great line, but it works.
02-26-2012 05:16 PM
Thanks for all the help, everyone! I'm sure I'll have lots more questions as we roll along..
02-21-2012 02:33 PM
Low stretch line more important on halyards than on sheets. Hand-feel (line size, fuzziness, etc) more important on sheets than on halyard, unless you tune your halyard a lot.
02-21-2012 12:30 PM
My previous boat was an '67 Islander Bahama 24. I believe the halyards were 3/8" rope attached to 3/16" wire. You should check the sheaves to verify the size wire or rope they will handle.
02-21-2012 11:37 AM
Hi and welcome aboard.
You may want to talk to a shop that sells running rigging as there is more to it than just diameter. Different types of line have different strengths and strech ratios. I recently replaced all my 3/8" diameter halyards with 5/16" lines made of Dyneema which has higher ultimate strength and less strech than the old lines. West Marine has a pretty good guide to lines in their catalog that would give you a pretty good place to start.
St Anna is right too, you have to use a diameter that will fit the sheeves too.
02-21-2012 10:40 AM
Echo St Anna...Welcome aboard and enjoy your new love!
02-21-2012 06:11 AM
Well, I would go as big a diameter as will fit through the sheaves. Thin lines may be plenty strong enough but will shred your hands. So I would say use 10mm if possible or 8 mm if 10 mm is too big. 12mm is nicer but will definetely be too thick to fit.
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