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Giovanni Mattaliano

Never, never, never have your vang on while sailing upwind. A good indicator of good vang tension is if the top batten as close to parallel with the boom as possible, usually ending up at 25° off parallel. At this point, pull the slack out of the vang and apply a coloured tape mark to your vang piston where the purchase block lies. Proper use of a boom vang helps keep the sail full and drawing well. Some boats such as SB20s and other sports boats rely heavily on the vang for mast bend. When to ease or release the vang to allow the boom to rise: If your boat lacks a boom preventer, an important piece of safety gear, it may be possible to improvise with the vang as a preventer when needed, if its lower connection can be easily released and moved forward of the mast. On many sailboats, the boom vang and the mainsheet look similar, as both use a set of blocks to control the motion of the boom. When sailing upwind twist should be controlled using mainsheet tension, and correct twist determined using the mainsail tell tails. Happy Christmas from UK Sailmakers Ireland, IRC Optimising: Fathead Mainsails Are a New Trend Say UK Sailmakers Ireland, Record Fastnet Race Challenge Taken Up By Ten Irish Boats, Buoyant 30 Entries So Far for June's Sovereign's Cup, American Magic Capsize Alters Prada Cup Sailing Schedule, National Yacht Club's Volvo Dun Laoghaire-Dingle Race 2021 Should Get Us Going Again. This is certainly not an exhaustive breakdown of how to use the vang. Ash: As a general rule, a boom vang helps shape the sail. Examples of how to use “vang” in a sentence from the Cambridge Dictionary Labs Thank you. Unlike many news sites, we haven’t put up a paywall because we want to keep our marine journalism open. In this panic someone blows the vang, thinking it will prevent a broach, as it does on a reach. With their return comes a renewed focus on technology R&D on Irish waters. On a reach or run, a good ballpark setting for the vang is to tension it so the upper batten is parallel to th boom. More people are reading Afloat.ie than ever thanks to the power of the internet but we're in stormy seas because advertising revenues across the media are falling fast. The golden rule of thumb: Use enough vang to keep the top batten parallel to the boom. As a result your vang directly limits the amount of twist in your mainsail. While more expensive than a block-and-tackle vang, rigid vangs have the added function of also holding the boom up when the mainsail is lowered, such that a topping lift is not needed. 2) Lines in systems, often taking the total load (so without gear). The top section of the mainsail twist open and reduce the power of the sail where it has the most effect due to the law of the lever. All I use and that is called for on my 20 ' is braided line from the gooseneck on the boom to a cleat at the base of the mast. In this situation, the mainsail will begin to completely flap and flog when the mainsheet is eased. If the angle of heel begins to increase rapidly in a puff then ease the vang until the heel angle stops increasing. On the downwind side of life, before you bear away, ease the … UK Sailmakers Ireland brings modern professional sailmaking to Irish Sailing.​ Formerly known as McWilliam Sailmakers; the company was started 47 years ago to bring the latest technology to Irish sailors - we continue this mission today. The same great sail and customer service we have provided in the past will continue, as does our commitment and passion for growing the sport of sailing all over the country. When in this situation ensure your outhaul and Cunningham are pulled on hard, and your backstay is at maximum tensions to flatten the mainsail as much as possible without inverting it. If everyone chipped in, we can enhance our coverage and our future would be more secure. vang sheeting), you control mainsail twist and shape with the vang. Under new leadership in 2018; our loft is dedicated to fulfilling the needs of all Irish sailors. ​As sailmakers, we do not just design sails for boats. The control line is typically led back to the cockpit, where pulling the line exerts force to pull the boom down. ​Barry held a key role in our primary production facility on Hong Kong Island for the past fifteen years. If the vang was left slack the boom would be able to rise and the mainsail would twist at the top – bringing the tell tail to life – without losing power from the lower sections of the mainsail, and without dropping the boom to leeward and closing the slot. This keeps the mainsail fully projected to the wind and causes the most drag which, contrary to other points of sail, is exactly what we are looking for when sailing downwind in displacement mode. It can be used on any point of sail but is most useful on a reach. Jul 11, 2019 - Proper use of a boom vang helps keep the sail full and drawing well. Bring in the mainsheet if needed to prevent chafing of the sail against the shrouds and spreaders. It helps most in moderate to heavy winds and can make a significant difference in the sail shape. Today, I opened the Catalina Direct Boom Vang Kit to begin installing -- but what a surprise (!) When sailing upwind ignore the floppy rope at the mast and resist the urge to pull it tight. Jan 26, 2018 - Proper use of a boom vang helps keep the sail full and drawing well. We will only ever use your details to send you our enews and never pass them onto third parties. This is essentially an adjustable pole that mounts similarly to hold down the boom. By using LiveAbout, you accept our, Learn the Parts of a Sailboat and How to Communicate Them, Learn How to Sail a Small Sailboat – 1. Don’t wait for the call, have the vang in hand and feel the boat. These lines should have higher strength and low elongation to ensure good a sail trim. I don’t know how many times I’ve heard – “take the slack out of the vang” – while sailing upwind. When the mainsail is raised on a sloop, the sail itself holds up the boom. If it is too tight, the top telltale will stall. It's about not letting the weight of the boom pull out any sail shape. During pre-start and at the weather mark you should have a set vang tension to apply. It can be easily removed when the wind is light. This lifting motion can sometimes create inefficiencies because it causes the sail to luff and lose wind. The boom angle keeps the battens parallel to the mainsail and balance the tension on leech versus luff so that the sail winds down evenly. If your vang pulled on hard you will not be able to add twist by easing the mainsheet. When the sail is furled, a topping lift supplies the upward force on the boom. Use this as your ‘mid vang’ setting for pre-start and mark roundings to ensure your boom does not rise unintentionally – check this for the conditions you are sailing in and adjust accordingly. A boom vang can be as simple as a short length of good quality braided dacron or a an elaborate setup costing hundreds. The slot remains open and free as the boom rises rather than being left to leeward, and the helm unloads allowing the boat to accelerate. I know, I said never pull your vang on upwind. Next time you are out sailing give the vang some extra thought and see how it is used on your boat currently – experiment, assess, and learn. How to Sail Faster with a Boom Vang November 05, 2020 ~ Fall off to a reach or run and your mainsail boom will hang out over the water. The boom vang typically begins close to the base of the mast and connects to the base of the boom at about a 45-degree angle. A boom vang is a tackle system attached at a 45° angle between the mast and the boom. Our new (to us) last year boat (Nordship 35 DS), had no topping lift but rigid vang without spring. The opposite happens, the mainsail depowers completely, the little green arrow disappears, and the spinnaker happily drags the boat to windward, jibes the boat and someone, usually the bowman, ends up with wet feet.Set your vang tension using the top batten angle to the boom as a guide, and do not blow the vang to solve a death roll downwind. Great question. A boom vang is used on a sailboat to pull down the boom on off-wind points of sail when the wind in the mainsail would lift the boom. Pull your vang on to keep your top batten parallel to the boom. Different amounts of twist are needed depending on the prevailing wind conditions. Let the puff roll through. Copyright © 2021 Baily Publications Ltd Terms and Conditions. As the mainsheet (and optionally, a boom vang) pulls down on the boom, along with gravity, the sail is pulled taut. When your mainsail is hoisted and filling it will naturally try to lift your boom – the vang holds the boom down. If it is too tight, the top telltale will stall. The easiest way to tell the difference between the boom vang and the mainsheet is location. Your mainsail vang (or kicker) is the sail control all of us know. We are all familiar with the panicked “BLOW THE VANG!” call, often it comes far too late. If left uncontrolled this roll eventually leads to an unintentional jibe and broach (see photo below). Because of this angle, the mainsheet has a little downward pull on the boom, which freely rises and falls with wind changes and when the boat rolls on waves from behind. The sail stays flat with increasing winds. In 10-12 knots of wind sail upwind. Install a couple of boom bails or firmly-attached eye straps, and clip the vang in place. As we transition from upwind, to reaching, to downwind, in various wind conditions – the vang’s role changes and becomes more, or less, important depending on the situation.For the purposes of this article, we will assume we are sailing a keelboat with a traveller car and mainsheet setup. When the boat begins to flatten after the puff pull the vang back on slowly, continuously feeling how the boat is reacting. When sailing downwind in a strong wind, ease the vang to depower the mainsail by allowing the boom to rise and the sail to spill air high up (mainsail “twist”). You are in effect driving off the leech of the mainsail. As with reaching the boom is eased further outboard when on a run. Afloat.ie is Ireland's only full–time marine journalism team and it takes time, money and hard work to produce our content. In-boom furling systems require the boom angle to remain at a fixed angle (usually 87 degrees) to allow the sail to be furled smoothly. When a sailboat sails downwind, the mainsail is let out for best sail trim, and the boom is typically 50 to 80 degrees from the centerline out to the leeward side. The mainsail leech may lose its shape unless it has help from a boom vang. Jul 18, 2019 - Proper use of a boom vang helps keep the sail full and drawing well. For use on boats up to 29' LOA. When pressurized the boom vang will contract and pull the boom downwards. In light wind and choppy conditions, it can help to have the vang on hand tight to stop the boom from bouncing erratically. When sailing downwind in light air, the mainsail generally has a better shape if the vang is not tight. When the boat falls into a lull and the mainsail begins to stall more twist is needed – the main sheet is eased, but nothing happens, so the mainsheet is eased more and more until the tell tail eventually flies – but now the entire mainsail has been left to leeward, the slot has shut, and the boat feels lifeless. The Afloat daily newsletter highlights the best of our editors' picks, as well as the latest content from other popular sections of our website. More so some guiding principles to start with. Pull your vang on to keep your top batten parallel to the boom. It is more efficient in the scenario to pull your vang on to tighten the mainsail leech, to stop it from flapping, and ease the mainsheet to ‘bubble’ the luff of the sail while keeping power in the leech. After dropping the mainsail, raise the boom to give more headroom in the cockpit. But do you know when to use it, and as importantly, when not to? By using a tight vang (i.e. We design and build sails for your boat. Boom Vang has Gibb Blocks with shackles, Cam Cleat, and includes 30' of 3/8" line with an eye splice and whipped end. Tension the vang to tighten the leech, flatten the sail and bend the mast. The mainsheet is now completely ineffective at controlling mainsail twist. A vang works with the sheet to apply the downward force on the boom at all horizontal angles, allowing the sheet to be used to control the horizontal angle of the boom effectively. The boom vang is typically used when sailing downwind, where the wind is coming from behind the boat. During this situation, the wind will often billow the sail, lifting it slightly upwards with larger gusts of wind. Constantly check that your twist is correct using your tell tales, adjust your vang tension to a good ‘middle ground’ setting until some breeze fills and the sail becomes more stable. Conrad Coleman in the 2016/17 Vendée Globe. Last winter I installed a topping lift but it hasn't been easy to use. A rigid vang comes into play in the light air when there is not enough wind pressure on the sails to hold the boom up. Provides a 5-1 purchase. The solution to this problem is to equalize the forces of the spinnaker and mainsail. If you're not happy about that please hit your back button. Learn how to use a traditional block-and-tackle or rigid boom vang. A common and fatal mistake when running downwind in heavy airs is blowing the vang when the boat begins to roll downwind. When sailing downwind on a broad reach or a run, tighten the vang to keep the boom down and minimize mainsail twist that spills air from the sail. The vang boom fitting is measured from the innermost edge of the fitting to the aft extremity of the mast when boom is fixed onto the mast gooseneck. It needs to be connected to a hydraulic system that has a pump station and a holding tank. ​As a core loft within the UK Sailmakers Group, we are uniquely placed to draw from a worldwide pool of knowledge and experience - these ties have been recently strengthened with the return of Barry Hayes and Claire Morgan from Hong Kong. But when the sail is lowered, the topping lift on most sailboats holds up the boom. When your mainsail is hoisted and filling it will naturally try to lift your boom – the vang holds the boom down. Graham Curran is a sailmaker and director of UK Sails Ireland. LiveAbout uses cookies to provide you with a great user experience. 2. Use a pre-stretched line to secure one end to a forward point on one side of the boat with an external chainplate, toe rail or deck padeyes. This appears to allow a fair degree of latitude in the actual bearing surface / attachment point for the vang, depending on the the exact fitting used. In order to find the best solution for your boat you need to start from a baseline – I hope this is what we have provided in this article. This motion makes the sail less efficient. ​With a wide variety of sailing conditions and an impressive pool of talent, the Irish cruiser racing fleet is the ideal testbed for new technologies.​, ​As with all things in sailing; the secrets will be closely guarded - but for the first time in decades Irish sailors will be at the forefront of sail technology development.​. Although much has changed; some constants remain. A number of commercial rigid boom vangs are also available. The sheet then controls the lateral position of the boom, which is quicker and easier than using the traveler. As your boom is eased beyond the quarter of the boat the mainsheet is no longer effective at holding the boom down, so the vang takes over. 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