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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #11  
Old 08-03-2009
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Quote:
Originally Posted by slippery View Post
+1

you have to balance short term performance against cost and long term life.

The Doyle Stratus system is similar but i believe is more reliable.
I'm avoiding Doyle for local reasons.

I just spoke with the UK Halsey guy for quite a while. He explained why his sails are excellent as well, without knocking the 3DLs. He did express the opinion that his sails are as strong as the 3DLs but better laminated, so less prone to delamination and the mold issue mentioned above. He said that due to the way the 3DL has its yarns attached, that less pressure can be applied when laminating the layers, which causes slightly weaker lamination.

He offered to come sailing to check out my existing sails, take some photos and then make a recommendation! All things being roughly equal as far as the quality of the sails, this kind of effort really means something to me.

Decisions decisions...
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Old 08-03-2009
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Quote:
Originally Posted by Gary M View Post
I sail with my local sailmaker fairly regulary and his D4 kevlar main is now 5 years old and still looks pretty darn good to me, and performs very well.
D4 is UK Halsey?
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Old 08-03-2009
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I believe D4 is an independent sail cloth company that will mold panels as per a sail makers directions and then ship the panels to them for assembly.

Therefore several sail makers use their product, I think they are located in Oz..
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Old 08-03-2009
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Quote:
Originally Posted by Gary M View Post
I believe D4 is an independent sail cloth company that will mold panels as per a sail makers directions and then ship the panels to them for assembly.

Therefore several sail makers use their product, I think they are located in Oz..
Yes D4 seems to be a type of sailcloth:

D4 Sails
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Old 08-03-2009
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Main is different than Genny for Sail Life

Quote:
Gary M I sail with my local sailmaker fairly regulary and his D4 kevlar main is now 5 years old and still looks pretty darn good to me, and performs very well.

As I said earlier he takes good care of it but he is only now starting to consider replacing it. That boat probably does about 40-50 round the bouy races a year. No distance stuff.

5 very competative years is not bad.
While that maybe true, I doubt that if he used the same D4 genny for 5 years, it would look as good. The headsail takes a beating, much more so than a main. I don't have a lot of experience with laminates in general, but in this case, for the North 3DL material, my experience is that for a headsail, that is raced and raced often (20+ races/year), it's toast after 2 to 3 years, no matter how well you take care of it. I My experience is based on racing on the same J105 for the past two seasons. We typically use and "old" prime race sail for the practice (beer can) race sail. So the prime race sail is about two years oldand while it still has good shape, it has small local areas of delamination, small tears, and areas the have frayed fibers.


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SEMIJim will become famous soon enough SEMIJim will become famous soon enough
Over on AS, somebody else was asking a similar question. His 4-year-old Mylar genny is falling apart and he's looking for recommendations for a racing sail material that'll last a bit longer. Here were my comments:

Thing is: Traditionally, you get either low-tech, high-resistance-to-everything fabrics that tend to lose shape, or high-tech, low-resistance-to-abuse materials that don't stretch (much), but tend to give up catastrophically after a few short years.

It is my understanding that most racers expect to have to replace their high-tech sails after only 4-5 years of use, at most. Whereas our 33-year-old polyester sails, while certainly not an optimum shape anymore, are still perfectly serviceable.

That being said: If racing is your primary activity, it looks like Vectran may be your best bet. I bet it's spendy, too . Perhaps Kevlar? I read a lot of good things about Pentex, a couple years ago.

We keep the original sails on the boat for cruising, and only put on the racing sails when we're going to be racing. It's a hassle, but, this way, our racing sails ought to last a good, long time. Also: None of our sails ever get put away wet--or even damp. In fact: Last week our Mylar #1 got stashed below, spread out on a settee, because the grass was damp when we got back from our last race, so we couldn't flake and fold it. (Took care of that yesterday.) Even the old cruising sails... One time last season a friend and I spent about an hour, waving one of the headsails in the wind, waiting for it to dry, so it could be flaked, folded and stored for the season. (It had gotten wet while lashed to the deck, coming in, and the wind was too strong to simply hoist it at the dock.)

Jim
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