![]() This attachment method is equally as strong as that of the standard foot attached along the boom with slides or bolt rope. A Loose-Footed sail is only attached to the boom at the tack and clew. When the outhaul is eased, the sail maintains an airfoil shape down to the boom. ![]() The extra fullness is removed by tightening the outhaul. In very light air, the improved performance is achieved even to windward. Loose-Footed Sail: An option that allow you to add a substantial degree of extra fullness (referred to as depth and draft) in the lower portion of the mainsail in order to improve performance on reaches and runs. Chances are your boat is rigged for an outhaul it's an important control. Outhaul: The control line that pulls the mainsail clew to the end of the boom, tightening the foot of the sail and reducing draft. For example, if a boat's J measurement is 12 feet, a 150% genoa will have an LP of 18 feet. ![]() Genoa size is expressed in as a percentage, which is the LP divided by J. LP: The abbreviation for Luff Perpendicular, which designates the shortest distance from the clew to the luff of a Genoa. This control is a must for racing and used by some cruisers. Radial designs are favored by racers for their additional strength.Ĭunningham: A control that adjusts the position of the draft in a sail by changing the tension on the sail's luff. Radial: A sail construction technique in which radial panels emanate from one, two, or all of the sail's corners (also called the head, clew, and tack). What follows is an unbiased overview of some of the key terms and concepts you'll run across in your search.Ĭrosscut: A sail construction technique in which all the panels are parallel to each other and perpendicular to the sail's leech. and worst of all is the jargon! Some of these sailmakers forget we were all novices at one time. There are so many sail lofts, styles, options, prices. What (and what words) you should know before buying a sailīuying a new sail can be a daunting task. Just make sure to melt the ends after cutting, you’re going to cut Velcro and webbing, you don’t want that to fray.What you should know before buying a sail It’s also perfectly fine to cut the length of the strap, they are usually a bit long. Sometimes the strap will go on an angle and get snagged along the boom but all you have to do is push it a bit and it will move into the proper position. You can set the clew a little bit higher if you’d like or a little bit lower it depends on how much slack you make the strap have. As the clew pulls the strap will stay tight around the boom. You’ll end up with a couple layers on each other with the strap. ![]() Just keep wrapping it until you can’t wrap it anymore! That is what’s going to hold the clew down to the boom. So what you would normally do if you’re going to use your strap is you’re gonna go put the one end right through the clew ring and then gonna wrap the strap around the boom. So what you’ll see on the Velcro strap is that there is the male and female side of Velcro and then on the inside there’s actual webbing and that’s sewn together with zigzag stitching. It adds a little peace of mind, from the additional strength and stability it provides. Even if you have an attachment method besides the Velcro strap, it’s a really good idea to put the Velcro strap on. The clew of the mainsail often has a slug, or it has a car on the boom. Another is when you aren’t using a clew slug, you can simply use the Velcro strap and make quick adjustments to the tension of the sail. You can wrap it through your clew and around your boom for extra stability and strength. The first is for when you’re sailing in heavy winds or stormy weather. We actually supply a Velcro strap with each mainsail! It has a couple of functions. You can see what they are referring to in this photo – the small circle object on the boom in the bottom left of the picture. See the conversation she had with a Facebook commenter below! One of our YouTube Partners Nike from WhiteSpotPirates (checkout her partner page here) also didn’t know what it was for when we gave her a new mainsail for her boat Karl. This actually seems to be quite a common question. “What is the best way to use the piece of Velcro for the clew that came with the sail?” On This Episode of Ask Precision Sails, Darryl answered a question from Bernard. How To Use A Velcro Strap On Your Sails Clew.
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