Fixing Tears in Sunbrella Boat Canvas
Sooner or later, chafe, UV rays, and sharp edges take their toll on our canvas. A misplaced screw or simple friction will eat holes in a dodger. A seam gives up, a boom rubs through the fabric, and a few snaps come loose.
Anchor Shackle Re-Test Modifies Initial Findings
In the August 2015 and October 2016 issues, we reported the preliminary results of our anchor-shackle tests. However, more recent testing has raised questions about the conclusions-most notably our Best Choice designation of the Peer-Lift brand anchor shackles, sold by Peerless.
Sewn Splices Two-Year Followup
The true test of marine gear is not whether it works when installed, but rather how it functions after years in the field. To that end, we have left samples of sewing materials and sewn test samples in the sun, wind, rain, and snow for two years, and have also sailed with sewn samples in service on our test boat.
The No-sew Webbing Strap with Link Buckle
Weve sewn our fair share of eyes in nylon webbing, but heres an easy no-sew alternative for creating a webbing strap with a buckle (shackle) that can be used for easily lashing down the dinghy, a battery, or even holding up your pants in a pinch. It is based on stuff a sailor has on hand-webbing, a chain link, and a shackle-and is as strong as professionally sewn ends, plus it can be untied after loading. It has tested at greater than 85-percent breaking strength and 100 percent of minimum rate strength, and it works on both nylon and ultra-high strength materials like Vectran webbing.
The Science of Headsails Part II
The right roller-furling headsail is as beneficial to a sailor as a good zoom lens is to a photographer. But just as the zoom lens has limits, even the best furling headsail is challenged at the extreme ends of its range. In the October 2015 issue, we explored the basic sail needs of a daysailor. For this report, the second and final in our series on headsails, we asked five professional sailmakers from around the country to weigh in on the ideal sail inventory for coastal cruising.
Adding a Solent Stay
Whether you view it from the top down or the bottom up, a Solent rig needs to be carefully thought out, well-engineered, and strategically located. Some sailors add a short bow sprit or U-shaped, tubular extension that includes a bobstay and supports the attachment of a new headstay. The old headstay chainplate becomes the new tack point for the Solent stay. Another approach is to retain the existing headstay and simply attach a new tang just a bit below the headstay sheave box. Then add a deck fitting to attach the Solent stay and tack the sail(s). The deck must be reinforced with a transverse member, or a tie rod must be mechanically fastened to the stem so that the tension loads don't damage the deck.
Going Soft on Shackles
Fiber shackles have been in use for centuries-the simple knotted toggles provided all manner of service on square-riggers and even older craft. When made correctly with the right material, fiber shackles are strong, can be released without tools, and are jam-proof in the most severe weather. Like cotton sails, this 200-year-old technology has been updated through the use of modern materials.
Sherardizing Alternative
In order to impart corrosion resistance to steel, the items are commonly galvanized, immersed in a bath of molten zinc. Hot-dip galvanizing is well established and accepted, but there are alternate technologies like sherardizing.
Top Whipping Twines
The term whipping twine is somewhat misleading, suggesting a single purpose for a product with seemingly endless uses. These are the thin-woven strands that all hand-sewing projects depend upon, and in the process of exploring various stitching projects, weve gone through spools and spools of it.
Tylaska Tops in Snap Shackles
Snap shackles have become as familiar to sailors as pots and pans are to a harried chef. From dinghies to mega yachts, the function of these ubiquitous bits of hardware remains consistent. Each affords a quick and reliable means of making that all-important halyard-to-sail junction. The absolute minimalist might say that a bowline can do the same, afterall, isn't it the favored means of attaching sheets to the clew of a sail? The knots-for-snap shackles debate loses out, however, when it comes to hasty halyard swaps, not to mention the release of a loaded spinnaker guy. And even if youre not quite ready to label these shackles as essential hardware, they certainly do make life on the foredeck a whole lot easier.
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Tartan 31 Piper: Used Boat Review
The Tartan 31 is one of the new line of performance cruising yachts from the venerable-and durable--Grand River, Ohio boatbuilder. In the last few years, Tartan Marine has come out with a range of new models, including the T-28, the 3500 and the 4600. A 41-footer is in the works. Both the 28 and the latest version of the 31 are part of the new Piper series, which are marketed in sailaway condition. Tartan has a reputation for solid construction and good workmanship and that's what the 31 is: solid and well put together. The hull is hand-laminated with alternating layers of chopped strand mat and unidirectional E glass. Behind the NPG/ISO gelcoat there's a layer of vinylester resin, which so far appears to provide the best osmotic blister protection available.
