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Forums > Windsurfing General

Sail rigging technique.

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Created by mattn > 9 months ago, 23 Mar 2013
mattn
NSW, 90 posts
23 Mar 2013 6:20PM
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Hi, with a sail luff 509-513 and a 490 mast what setting on my mast base should i use. It goes out to 30.

Also to what measurement should i be pulling the sail down to. Would it be the base of the pulley on my sail that is my measuring point or something else.

Finally what is the ideal distance from sail pulley to mast base when downhaul is pulled to correct setting.

Thanks.



Stuthepirate
SA, 3590 posts
23 Mar 2013 7:55PM
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Set extension to 20-22
Apply enough downhaul so that the top 2 - 3 battens of the sail leech is floppy.
If your pulley blocks are up against each other extend the extension another hole.
rre tension downhaul so that the leach is floppy.



Remember the more downhaul the more your sail will 'twist off' and depower.
these are only basic setup tips. some people spend there whole life forever tuning their sails.

sboardcrazy
NSW, 8073 posts
23 Mar 2013 9:16PM
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Guy Cribb said to get the 2nd batten down from the top or 1/3 way down roughly so it sits straight out from the mast ( not under or over) and use that as a a basic setting.So set your extension so it can put enough downhaul on till you get that result then get a waterproof marker pen and write on the extension..i.e - 8.5m so you can find it quickly next time.

joe windsurf
1481 posts
23 Mar 2013 6:49PM
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that looks like a SailWorks Retro 8.5

are there enough instructions for that here ??
www.sailworks.com/retro-rigging

Mark _australia
WA, 22819 posts
23 Mar 2013 10:10PM
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Looking at that extension, the first number is 5cm yes?
You will never get the sail pulled down to zero - the closest you will get no matter how good you are, is about to 3cm as you can't get pully to pulley contact.

Lots of extensions have this, so people are always under downhauled.

For my Chinook I add 4cm to every sail's measurement and it is perfect.

You need to set extension at 26cm at least in order to acheive the 513 measuremnt.

joe windsurf
1481 posts
24 Mar 2013 7:53PM
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this is what MauiSails suggests and has used for "correct downhaul setting"

from the rigging guides:
skydrive.live.com/embed?cid=C6DB8ADE6B0C768C&resid=C6DB8ADE6B0C768C%21144&authkey=AHZX5niUH1yZSyg



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"Sail rigging technique." started by mattn