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cut of your jib
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JimC View Drop Down
Really should get out more
Really should get out more
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Joined: 17 May 04
Location: United Kingdom
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Topic: cut of your jib
    Posted: 06 Jan 13 at 8:27pm
Originally posted by iGRF

paroxysms of joy about a cleat moving half an inch or something

Jib settings can be amazingly sensitive. Fractions of an inch can have a big effect.
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dynamicsails View Drop Down
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Joined: 26 Feb 10
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Posts: 9 		Post Options Post Options   Quote dynamicsails Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 13 at 11:18pm
Hello there

hope this may help, probably a bit of woffle but hey

when I design a sail I start with a designed shape then I produce panels over the mould kinda like when you plug a boat, then we choose a panel layout that flows over that shape thanks to our rather fancy software! when choosing radial layout over cross cut the weight of the fabric comes into play, lighter fabric is utilised when orientationing the panels inline with the loads expected in the sail to help maintain the design shape

for smaller sails like jibs, cross cut tends to produce a super smooth foil, radial helps hold the shape better over time and higher loads

in the fourteen the radial panel jibs do tend to out perform cross cut in the higher wind range, but the loads are pretty high, somthing like the miracle I might prefer cross cut to smooth the shape through luff to leech

I treat every class of boat differently using the optimum panel and fabric option to suit the sailors requirements

ps when you say polyant you might be refering to polykote which is a finish added to the fabric to stiffen the finish or harden creating a more stable cloth

dave 

ds sails
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