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sail@Everything2.com The front bottom corner of the sail, where the mast foot protrudes, is called the the tack, and the rear corner, to which the boom is atached, is called the clew. On boomed sails there is usually an outhaul line or car which is used to tension the sail, and the sheet is attached to the boom to adjust the trim. On traditional triangular sails, the sail is partially lowered and a portion of the foot is tied in a reef using reef nettles or sail ties, the tack and clew may be held down to the boom using a reefing line, a tack hook, or lashing. everything2.com /index.pl?node=sail   (2305 words)

Tack (sailing) - Wikipedia, the free encyclopedia Tack is a term used in sailing that has different meanings in different contexts. On a sloop rigged sailboat, the mainsail tack is connected to the mast and the boom at the gooseneck. A tack or coming about is the maneuvre by which a sailing boat or yacht turns its bow through the wind so that the wind changes from one side to the other. en.wikipedia.org /wiki/Tack_(sailing)   (460 words)

Magnetic sail - Wikipedia, the free encyclopedia A magnetic sail or magsail is a proposed method of spacecraft propulsion which would use a static magnetic field to deflect charged particles radiated by the Sun as a plasma wind, and thus impart force to accelerate the spacecraft. The operation of magnetic sails using plasma wind is analogous to the operation of solar sails using the radiation pressure of photons emitted by the Sun. When the magnetic sail's field is oriented in the opposite direction as the magnetosphere it experiences a force inward and toward the nearest pole, and when it is oriented in the same direction as the magnetosphere it experiences the opposite effect. en.wikipedia.org /wiki/Magnetic_sail   (1491 words)

Encyclopedia :: encyclopedia : Sail training   (Site not responding. Last check: ) By 1900 most commercial sailing vessels were struggling to turn a profit in the face of competition from more modern steam ships which had become efficient enough to steam shorter great circle routes between ports instead of the longer trade wind routes used by sailing ships. While many countries of the world operated sailing ships as training vessels for officers in their Merchant Marine in the 1920’s and 30’s, several sailing ship owners such as Carl Laeisz and Gustav Erickson determined that there was still a profit to be made from the last of the sailing ships. Sail training is about the excitement imparted by a tall ship racing along, rail down before the wind and coming face to face with the elements. www.hallencyclopedia.com /Sail_training   (2283 words)

SAILjazz - Tips for Tacks Tacking is one of the most fundamental boat handling skills in sailing--an upwind turn through the eye of the wind. Some can sail into the wind higher, some sail into the wind a little lower, but after a few tacks you should be able to accurately predict what your new course should be. Depending on what size of boat you’re sailing, here may be all sorts of things the jib sheets can get fouled on--dinghies strapped to the deck, hatches, spinnaker poles, life rafts and the like have been known to foul a tack or two on larger boats. www.sailjazz.com /editorial/articles/3/17   (1114 words)

reffing Slab reefing, also known as "jiffy reefing," is a process of temporarily removing sail area from the main by lowering the halyard and re-fastening the boom to the sail using reinforcements sewn to the sail at the reef tack and reef clew. The weaker parts of the sail are the luff sliders, and the spur grommets which are used to fasten the sliders to the luff of the sail, as well as the interim reef points used for tying the reefed portion of the sail around the boom. tack horn or tack hook for reef tack ring, which is easiest for the boat manufacturer to install, and not a bad system, but cumbersome and requires someone go to the mast to get the reef rigged. www.sailmaker.com /articles/reefing.htm   (1592 words)

Tack - Wikipedia, the free encyclopedia Tack (sewing) (also baste or pin), quick, temporary stitching intended to be removed Tacking, a manoeuvre by which a sailing boat turns its bow through the wind Tack (sailing), the lower corner of a sail's leading edge en.wikipedia.org /wiki/Tack   (231 words)

sailcloth.com - sail cloth and sail making hardware from Bainbridge International The leeches of your sail will fall away reducing your pointing ability and the gust response of your rig with your sails stretching and releasing the extra wind power instead of harnessing it to accelerate your boat. All woven sails have a hard resin finish that protects the fibre from UV, prevents water absorbsion and locks the weave together. This finish is relatively brittle and breaks down with flogging and flexing so causing the sail to feel soft and soggy and loosing the ability to resist diagonal bias loads. www.sailcloth.com   (476 words)

Atlantic Sail Traders The leech is always the trailing edge of the sail, and the foot is always the bottom of the sail. Head sails that are not Yankee cut (high cut) have an LP 1'-1.5' shorter than the foot of the sail. Then take a measurement from where the tack of the sail attaches at the front of the boom, back to the maximum useable space at the end of the boom. www.usedsails.com /measuring.htm   (1243 words)

On The Same Tack   (Site not responding. Last check: ) Therefore, when L is sailing on her proper course, W must keep clear under rule 11, even when W’s proper course may be a lower course than L’s. Because she is not sailing above her proper course, she is not breaking rule 17.1; and because she is giving W room to keep clear, she is not breaking rule 16.1. If the two boats hit, and it were decided by the protest committee that L was sailing above her proper course, both boats will likely be disqualified: W for failing to keep clear of L, and L for illegally sailing above her proper course. www.ussailing.org /member/library/urrs20041201.htm   (909 words)

Newboats.com - All the Boats. All the specs. All the time. The span on the leech of the sail to which the bowline is toggled. Rope used to lash a sail to a gaff, or a bonnet to a sail. Lie-To, is to stop the progress of a vessel at sea, either by counterbracing the yards, or by reducing sail so that she will make little or no headway, but will merely come to and fall off by the counteraction of the sails and helm. www.newboats.com /nautical_terms.jsp   (12166 words)

Glossary The aft lower corner of a sail; the intersection of the leech and foot. "Fluttering" is a phenomenon local to the leech of the sail, as opposed to luffing, wherein the front of the sail is shaking because the wind is impacting on the leeward side of the sail. A type of reefing wherein a horizontal piece of the sail (a 'slab') is removed by lowering the halyard and retrimming the sail using the reef tack and the reef clew. www.sailmaker.com /glossary/glossary.htm   (1253 words)

What Cruising Sailors Need to Know You can set the asymmetrical sail with its tack on the end of the pole for racing or flying from a tack line run to your bow or anchor roller when you are sailing shorthanded and don't want to deal with the pole. With the asymmetrical sail flown from a pole, you need to attach two sheets to the clew of the sail and two guys to the tack. While the pole is being gybed, the clew of the sail must be pulled around the headstay by easing the old sheet and pulling on the new sheet. www.northsails.com /North_America/Cruising_Sails/SolutionsAsymmetricvsSymmetric.htm   (382 words)

Takedowns The tack line should be wrapped around the genoa winch to prevent the losing of that crewman's skin on his hands and the crewman below should have a ha hold of the takedown sheet. When most of the sail is pulled to the weather side, release the halyard completely and the kite will fall down the jib and into forward hatch. If the sail ends up in the water you won’t lose control of it if the tack is still nailed but if the sail is in the water with the tack eased then you’ll end up with the sail damaged. www.sailingsource.com /j120class/j120takedown.htm   (695 words)

UV Rollerfurling Installation   (Site not responding. Last check: ) If the sail is in questionable condition and you plan to replace it in the near future, it may be wise to forgo the suncover and just install the luff tape. This is because the angle at the tack of the sail is almost always greater than at the head. To determine foot panel width the sail's luff length and the LP (length perpendicular) must be known (the length of a line perpendicular to the luff edge which goes to the clew sail corner). www.sailrite.com /Tips/uvrollerfurling.htm   (2573 words)

North Sails One Design When the course is short, the bold approach is to keep the fleet on your weather quarter sail fast to a little short of the layline and tack for the weather mark. SAIL THE MIDDLE when the weather shore is less than a third of a mile away or when the upper air is colder than the land or water over which it is flowing – a cold front. Generally, you should sail to the next heading shift, tack back toward the middle on the long tack toward the mark and sail fast to the next big header. www.northsailsod.com /articles/article16.html   (1761 words)

Setting and Trimming the Cruising Spinnaker   (Site not responding. Last check: ) The sail is about 25% smaller in total area than a standard spinnaker, but it is about twice as big as a conventional 150% genoa. Next, tie the tack downhaul line to the tack ring, lead it through a turning block on the deck near the bow, and run it aft to the cockpit. This is different from having the sail going in front of the forestay during the gybe, which is what happens when you using the spinnaker-halyard method. www.sailingsource.com /neilpryde/cs_trim.htm   (1775 words)

How to Sail Fast Up the First Beat When You Have Oscillating Shifts That is, instead of tacking on the header as usual, sail farther into it until you fetch the mark. If you are sailing on a lift (and you should almost always be sailing on a lift when the wind is oscillating!), you should sail just slightly lower and faster than normal (assuming you will have to tack at least once more on the beat). Sailing on a lift in an oscillating breeze is one of these. www.sailingbreezes.com /Sailing_Breezes_Current/Articles/april02/dell.htm   (1361 words)

Roll tack As the wind shifts, and boats maneuver for position on the racecourse, you are forced to tack often as you head upwind. The different between a roll tack and a regular tack is mainly in the positioning of the body weight of the skipper and crew. The sail should almost snap as it crosses your head, and the skipper and crew must move as a team to make the transition the smoothest one possible. www.suite101.com /article.cfm/sailing/52573   (414 words)

The Proa FAQ Instead of tacking, a proa switches bow for stern by reversing the sail and rudder in a sort of a switchback maneuver sometimes called shunting. The sailor tacks (shunts?) by pulling the tack of the sail from one end (bow?) to the other with a continuous loop tack line and shifting the steering oar. The tack line is also a continous loop going from the tack of the sail back along the lee side of the hull then back through the hull under the seats and akas to the tack of the sail. www.boat-links.com /proafaq.html   (3524 words)

Bring Your Own Plates You may tack soon - If you are thinking about tacking soon because you’re in really bad air or you’re almost at the layline (or for any other reason), it doesn’t make sense to sail low and fast because you won’t have enough time to make gains this way. This is particularly true when a) you have a long way to go on that tack; b) you expect to get a significant header before you tack; and c) you have a clear lane and aren’t worried about falling into the bad air of another boat. As with upwind, the amount you sail higher and faster should correspond to a) how long you plan to be on the jibe; and b) how far you expect the wind to shift before you jibe. www.sailingbreezes.com /Sailing_Breezes_Current/Articles/April06/dell.htm   (836 words)

Tacking and Jibing Watch the sail and when the boom starts toward you, duck under the boom and move toward the new windward side by standing momentarily and pivoting around facing the bow (it is important to be able to watch the luff of the sail and see just where your bow is pointing). After the tack, adjust your weight for good boat trim and take the sheet in the forward hand, and adjust the sail to assure it is properly trimmed for the course you have selected (so it is just on the verge of luffing). Unlike the tack, the sail will cross quickly to the new side without any luffing, and in a strong wind this sudden change of wind pressure from one side of the boat to the other can cause a capsize if precautions are not taken. www.wellesley.edu /Athletics/PE/sailing/sailing_tacking.html   (787 words)

Sail Measurement Assistance Unless you have existing sails to use as a reference, it is always best to physically measure the boat and not rely totally on manufacturers specifications. The E measurement is the length of the boom measured from the tack fitting to the clew connection or the fl band around the boom if available. Jibs and Genoas have a Luff Perpendicular (LP) that is the perpendicular distance from the luff to the clew. www.secondwindsails.com /measurement.php   (324 words)

Untitled Document Weight of a piece of cloth 28 1/2” x 36.” When selecting a sail from the list, keep in mind the use you intend and be sure the cloth is of sufficient strength for the purpose. Drawstring in edge tabling of sail to tighten against flutter or to bag sail slightly for lighter air. Sail has a wider than usual tabling to fit around the mast or stay, as a sleeve. www.baconsails.com /definitions.html   (589 words)

Seadercraft Model Sailing - QuickTopic free message board hosting Tie a knot at the tack of the sail, at the forward end of the spar, carve a small notch, slice up a small piece of flexible plastic, about 1 cm round, with a hole, drilled or bored in the centre small enough that the spar can squeeze into (with a little force). Run this line and the corner (tack) of the sail through the bit of plastic, then push in the spar, the plastic will click in place when it reaches the notch in the spar, the end of the line is then drawn through, to draw the boom and spar close together. You don't have to 'dip and switch' when changing tack, although the sail will preform better when the spar is on the leeward side of the mast, there is not that much difference. www.quicktopic.com /23/H/RQSj4WySG2c   (760 words)

What Cruising Sailors Need to Know The sail's luff length is the measurement you will find when you stretch the sail out in a sail loft or on your lawn and measure the distance between the tack and head rings. The difference between the sail's luff cord length and the headstay length is the height of the tack off the deck when you are sailing. In general terms, a sail with more roach (bigger mid-girth, bigger shoulders) requires more 3-dimensional shape to support the extra area outside the triangle formed by the head, tack and clew. www.northsails.com /north_america/Cruising_Sails/SolutionsSailSizeMeasurement.htm   (552 words)

AdriaSail | Sailing | Sailing Terms | Sail - Tacking A rope attached to the corner of the sail used for trimming sails for different wind directions. A large, light sail flown form the mast in front of all other sails and the forestay for sailing downwind. Sailing with the wind coming from the starboard side with the boom on the port side. www.adriasail.com /sailing/terms/terms_8.php   (149 words)

WORLDCRUISER YACHT CO. A release lever is available to put on the forestay if you want to move it out of the way to be able to tack with a genoa on the cutter rig. The tack of the sail is connected to the end of the bowsprit with a 3 to 1 purchase vang with snap shackles. With the standard block setup from the end of the boom to the boomkin, it is very difficult to take the twist out of the mainsail, even with the use of a boom vang. www.westsail.com /a-mast.htm   (3288 words)

Duck Tack Film strip STEP 2: Now that you are sailing directly into the wind, get into a comfortable stance on top of your Streetsailor and try to relax so that you are not using your sail for leverage. While swinging or throwing the front of the sail directly into the wind with all your might, switch hands on the boom. Imagine you are slicing the wind with your sail by swinging your sail from the back of the board to the front. www.streetsailing.com /playby/ducktackstrip.htm   (379 words)

Sail St. John We then tack to the north shore of St. John where we anchor for a snorkel or swim from the boat. Both captains Greg, on Spitfire, and Charles, on Phaedrus, are registered with the Territorial Court of the Virgin Islands to perform weddings in the territory. In 1989, she decided to take a one-year sailing sabbatical to the Caribbean and has never considered returning. www.sailstjohn.com   (1350 words)

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