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  #1  
Old 12-15-2002
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twistle rig

Can anyone explain what a twistle rig is?
thanks
eric
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Old 12-16-2002
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twistle rig

My first thought when I read the original post was that it was supposed to be a "thistle" rig but the wrong key was struck. That said there are partially unstayed carbon wing masts that use running backstays to impart twist into the mast and in doing so result in a very efficient upwind rig and perhaps this is what the original post was about.

Jeff
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Old 06-15-2014
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Smile Re: twistle rig

I found a reference to twisle yard or rig in John Vigo's book Small boat to freedom. A great read with lots of useful anecdotes that was lent to me by the boats latest owner Les Wilson.

Living in South Africa, John found it in an article in British copy of Yachting World and rigged one up before escaping the aparthide troubles .

A pair of poles linked at one end and flown forward of the mast on a halyard to pole out a pair of jibs, one on each side, such that the clews are able fly forward of their tacks in a deep V. It becomes a free swinging unit floating about the forestay.

Apparently, it greatly reduced downwind roll and unwanted motion.

He says he used it on his trade wind passage Cape Town to St Vincent very successfully in his 31ft yacht Freelancer. I can see it would keep the head of the boat very firmly downwind.

Chris Sayer
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Old 06-15-2014
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Re: twistle rig

Quote:
Originally Posted by kimberlite View Post
Can anyone explain what a twistle rig is?
thanks
eric
See Twizzle Rig. The name comes from an intentional mispronunciation/contraction of "Twin Sail" Rig. It works but not particularly well as a dihedral angle between the sails is needed for balance. The twizzle rig was an effort to simplify a true, more effective, "twin sail" rig where the head sails were/are tacked on either toe-rail, with a gap between them, on the fore-quarters somewhat aft of the stem.
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