![]() Before then, all was derigged when we weren't on the boat and they looked fine. But the last two years have been in the California sun, and the velcro suffered. This set lasted from there to the Bahamas, up to the PNW and home to SF, about 6 years. The first ones lasted 5 years, from the Great Lakes to the Chesapeake. The total length of strop (and velcro) is 105" on that one. I think the tearing sound was the velcro, shearing along the rest of the length, without separating. When it let go there was a tearing sound and it slipped, loosening about 6 inches (we were only in about 12 knots true). Interesting thing is when this one failed it did so by abraiding through on the layer against the clew ring, at the turn in the clew ring. Curious how you would cover a strop though - after it is rigged? How? I went from a 9 mm dyneema halyard to a 11 mm dyneema halyard (2:1 at that) and it still stretches. Stuff that isn't supposed to stretch does. Vang load is 7 tons. Clew load is 2 tons. Maybe "nearly a ton" sounds like a lot, but this is a big sail. Someone must have a stick idea how to do this that I haven't thought of. I could sew up a dyneema strop without the velcro, but how to join it into a loop without metal hardware (which will bash and rattle)? I can probably get the length right, but ideally it would be slightly adjustable when installed. Or just duplicate what I have had. ![]() I could just lash it with a few turns of dyneema line, but it would look pretty ragged. I suppose a sailmaker should still be able to come up with some? Looking about the web for spectra or dyneema webbing, the only online source is Sailrite with what looks like a lightweight version. This works well, looks decent and tidy, but has a limited life: the velcro does not do well in the sun, and yesterday one layer of the spectra abraided enough that it broke, nearly turning the sail loose. The sail has a ring and the boom has a hole through it just large enough to take the 3 thicknesses of 1" web. Just make sure to melt the ends after cutting, you’re going to cut Velcro and webbing, you don’t want that to fray.For years I have used a length of spectra webbing sewn to velcro, wrapped 3 times around, as the outhaul and downhaul strop on the boom. 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. Making a Clew Strap for Laser Video demonstrates how to make a Clew Strap that snugly fits into the clew ring and wraps around the boom with a Velcro. 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. Built to endure the demands of professional sailing on the world class level Comes with 5 a year warranty. The pro clew strap features extra heavy thread, UV resistance, stainless steel d-ring and industrial velcro. This actually seems to be quite a common question. Pro clew strap for the Laser® sailboat built entirely in the USA. “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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