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Polska flota jachtów międzynarodowej klasy 505

Posts made in July, 2012

Wintering sails

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Winter is almost here, what about the sails? … exactly. The old Polish custom is to remove the sails with the onset of winter, throw them into storage, put an anchor on top… and forget about them until May. It is a dark scenario, not widespread, but it certainly happens sometimes. For us, however, it has become proverbial when it comes to the attitude of a large part of our customers towards to issue of winter storage of sails. It does not always look so bad, but neither does it look rosy. The basic issue in deciding on the winter storage of sails, is to put away fully functional sails, not torn, not wet – in such a condition, so when removed from storage they are immediately suitable for sailing. The vast majority of those who hope that they...

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Jibs

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Initial remark – this is not a scientific text – that would require a lot more space. It is well known that no one in Poland has described sails in terms of aerodynamics in such detail as Czesław Marchaj in his book “Sailing Theory – Aerodynamics of Sails.” If you are not familiar with this publication and feel the need to gain more knowledge, I highly recommend this read. It is a book written by an enthusiast for enthusiasts. My goal is to raise some issues that may be useful for users of sails that do not have a lot of sailing experience, or the time to expand it. A few words about the materials. The basic material from which sails are made is synthetic fibre i.e. polyester (other names include Dacron, Tergal, Terylene). Polyester...

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Sail area

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Whew, the season is in full swing!!! It was hard to find the time for the next portion of information for those interested, the season is in its peak and there is always a full waiting room of those willing to purchase a new “suit” for their floating wonder. Not much time remains for additional activities and thus I did not submit my text for the July issue to Paweł Wojna. This time, I made Paweł wait a bit, but in the end I came through. What is the topic for today? There is one topic that comes back to us like a boomerang when taking orders for new sails. It is the sail area. One such glaring example is the sails for the Polish Omega class sailboats.   Everybody knows what it is, even those who don’t know. Omegas in the form as we see...

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Mainsail

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In a previous article on staysails I described some of their types (large light-weather staysails, heavy-weather staysails – working jibs, etc.). In a discussion on the mainsail, I will focus on one sail, which should serve us for the widest possible range of winds. As the text below is intended for a wider group of readers, I will not get into the topic of light-, medium-, and heavy-weather mainsails because it is an issue for a small group of readers i.e. professional sailors. Most sailors have to deal with one mainsail on the boat and therefore can only use the sails available on a particular boat. The first thing you encounter when putting up the mainsail is the bolt rope in the luff and the foot. Since I can remember, 99% of mainsails have been attached...

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When ordering new sails

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When ordering new sails, the customer’s fairly loose attitude to the issue of dimensions is quite common. A common response to the question about the dimensions of the new sails that we are to make, is – “I have typical rigging dimensions, make it according to typical dimensions”. Fine then, we sew the sails according to typical dimensions. The customer picks up the sails. Satisfied with the new toy, he puts them on his boat …… and the horror starts. Mainsail – the luff is longer by 30 cm, the foot shorter by 40 cm. Foresail rolled on a rigid stay – the luff is shorter by 50 cm, the clew instead of 30 cm above the traveller track turns out to be about 45 cm above the track. All in all, the foresail can be used, the...

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