
05-12-2010
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Old as Dirt!
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Join Date: Nov 2008
Location: Tampa Bay Area
Posts: 1,162
Rep Power: 4
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Joe--
For furling you need a tight headstay and a firm, but not overly tight halyard--some even ease the halyard when they are preparing to furl. (As you describe, the sail unfurls easily when it's not loaded up. You need to replicate that minimally loaded condition when you furl.) When one furls, in most all cases a foil on the headstay is revolving with the bottom drum while the furling drum at the head of the foil/sail has to remain fixed with the foil revolving in its bottom half. An overly tight halyard loads up the top furling drum eccentrically, which applies a horizontal load on the foil at that point. If the headstay is sagging off, the foil is curved which makes it ver6y difficult to rotate around the stay. With a "squeezing" load at the top due to an overly tight halyard, you really have to torque up the foil to get it to revolve. (Shoot some SailKote into the bearings in the top drum from time to time to help).
Adding a back-stay adjuster is one way to tighten the headstay but, from what you desacribe, it sounds like the turnbuckles on the backstay should be tightened up and inch or two. One can adjust mast shape and headstay tension with the back-stay adjuster. One adjusts luff tension with the halyard, regardless of backstay and headstay tension.
FWIW...
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"It is not so much for its beauty that the sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
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