adding a bowsprit to a sailboat

Deals, Trailering Marine Battery Chargers, Shop Detectors, Binoculars & Interested in adding a fixed carbon bowsprit to my Ben 25 (platu). sailboat bowsprit The popularity of asymmetric spinnakers leaves many boat owners in a quandary on how to add a bow sprit, whether as a fixed assembly or as a deployable sprit. Its projection lengthprovides a sniff of clear air and a convenient tacking point for a gennaker or asymmetrical spinnaker. Handles, Life Jackets & For a better experience, please enable JavaScript in your browser before proceeding. The basic rigging for the bowsprit involves a few different lines: The backropes are found on both the port and starboard side. Covers, Other Adding more sail to the pointy end of the boat will improve light-air performance, and the furling systems and sock technology available today make it easier than ever to manage more sail area. Holders, Cabin Accessories & Forespar, does not recommend using the sprit for Code 0-type sails. Tackle Boxes, Fishing Bait & Pumps, Marine Pump Replacement However, many modern mini-sprits actually behave more like a free-standing mast, resisting sail loads through stiffness rather than being kept in column by a bobstay. Dock, Cabin and Motors, Fishing Downriggers & Combos, Fishing Tools & In order to better understand the forces associated with modern sprit technology, a bounce or two on a playground seesaw offers some insight. Extendable gennaker bowsprit. seldenmast.com. Hitches, & Here's one of those boats that started life as a 23-footer, and a year or two later, without changing the hull, the marketers deemed that the boat had become a 24-footer, belatedly deciding to add the bowsprit as part of the length (which, of course, is not usual industry practice). Sockets, Marine Electrical Deals, Pumps & Plumbing For anyone that might have done this type modification, I would certainly welcome your insights.

I am planning a short 3-4 foot bowsprit with the capacity to carry the forward anchor. Galley, Barbeque Deals, Paint & Maintenance Guide, Boat Galley, Covers and Now, Shop Deals, Dealer Tried and trusted old fittings give character to modern yachts. This bracket is a stainless ring with a low friction polyamide inner lining through which the bowsprit slides into the “active” position. Outboards, Shop Vinyl, Floating Boat & Live Bait Attaching the bowsprit to the bow beam can present an interesting challenge. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable At the same time, shorthanded round-the-world racers were flocking to triple sets of furling headsails with light-air sails the size of circus tents set on an articulating tubular bowsprit. The app is searchable in the Google Play Store under Sailboat Owners. Kits, Seadog Stainless Steel Cup It is suitable for monohull and multihull boats 20-70ft. From $360. At the inboard end of the pole, the force is downward rather than aft because theres much less compression on the sprit. Most manufacturers set extension length and/or wind speed limits for their sprits. Covers, Boat Shrink Wrap The wire can be attached to an eye-fitting bolted through the thick solid fiberglass stem at a point well below the headstay chainplate but above the waterline. A bowsprit, or spar, for supporting a spinnaker sail at the front of a sailboat is mounted on the deck of the sailboat. Of if you need a bowsprit for looks or ramming speed, add one but don't move the forestay of the boat, leave it where it is. Protection, Ladders, Steps, & The pole can be retracted for storage or removed and placed elsewhere. Parts, Wash Down Various mounting options are available, including a temporary bobstay attachment and the ability to rig the sprit for the heavier loads imposed by a Code 0 or close-reaching in light air. Meters, Marine Electrical Panels Accessories, Boat Lift Canopy Biminis, View sailboat bowsprit Southern Spars’ mandrel moulding technology is ideal for building carbon tubes that are light, stiff and very strong – perfect for bow sprits for yachts up to 45 feet with tapered or untapered cross-sectional shapes. Rails, Marine Tools & Tool You have to add a bobstay and its anchoring point to the bow of the boat just above the waterline. Bottom Line: The weight savings of a carbon fiber sprit is significant, but so is the price increase over aluminum. Ski, Wakeboard Deals, Camping & RV After a series of sea trails with sprits, spinnaker socks, and free-luff furlers, weve come to the conclusion that the technology works well, but whether this is a valid investment depends on how important it is to you to keep sailing in light conditions. The big question is: Will the cost of a mini-bowsprit actually be worth the effort and expense involved? Boats, Propeller Parts & 1 genoa, tripled and even quadrupled the tack load. Professionals, Boat Restoration, Building, and Hull Repair. Starters, Marine Solar Power Sorry iPhone/iPad users, we are still waiting on Apple. Rafts, Paddle Anchor Box Anchors, Fishing Rod & Reel Deals, Electrical 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. Maintenance, Boat Cleaners & However, the quality of the composite tubes we looked at met an aerospace standard, and for those with extra cash to spare, the carbon sprit option is worth a second look. Bottom Line: This sprit is very similar to the Seldn, using a slightly greater tube diameter for equal-sized boats, and costing nearly double what the Seldn costs. This size will keep the bowsprit below the bulwark which will improve the profile of the boat. The Right Fit, Shop By Save my name, email, and website in this browser for the next time I comment. Smoke Harware, Marine Nuts, Bolts, & Fasteners, Boat Windshield The hardware versatility makes it user-friendly, and its cost-effective price point adds to its appeal. It seemed like nobody had done it yet. Dollies, SportsStuff Great Big Bowsprits, bumpkins, and belaying pins Article taken from Good Old Boat magazine: Volume 4, Number 6, November/December 2001. Just fit the two stainless steel pad eyes to the deck in line with the bow bracket. Cable, Marine Batteries & Similar to the Seldn sprit, the Sparcraft system Practical Sailor evaluated is an alloy, free-standing sprit featuring a tack line through the center of the tube. ... Sign in to add this to Watch Later Ventilation, Interior & Cabin Boat Repair, Boat Paint & As mentioned before, tack loads create an upward force that can be offset by a bobstay. AN The well-thought-out kit includes two inboard end-clips that allow the sprit to simply be retracted and clipped for storage. On our boat, the bow beam is a fiberglass I-beam with a flat top that is relatively convenient to attach to (Photo 5). This requires thicker or higher-modulus materials able to withstand the point load induced at the fulcrum, usually a collar-like fitting mounted on the deck. Then the headstay is secured to the bowsprit which enlarges the headsail area moving the CE forward. An added benefit is my windless will straddle the bowsprit without the need for adapter plates. Shelters, Boat Accessories, Pontoon Bimini Rollers, Boat Trailer Grills, Boat Drink Drink Holders. But it is tempting to go overboard, and add too much sail area and a too-complex system to handle it. Systems, Marine Plumbing The installation is best handled by a pro rigger, but a skilled do-it-yourselfer should be able to handle the job. Jacks, Boat Trailer Brakes & Standard rig Professional Boatbuilder article. Extending the Bow: Are Add-on Sprit Kits Worth It? Just fit the two stainless steel pad eyes to the deck in line with the bow bracket. Those planning to use the sprit solely for reaching purposes with an asymmetrical spinnaker or gennaker only need a bobstay if they intend to use the rig in heavy air conditions. Loading... Unsubscribe from boatshedboats? Seats, Offshore Boat … Sealant, & Axles, Boat Trailer Tie Covers, Boat Seat The diameter of carbon sprits tended to be a little larger than the alloy alternative. Trolling Motors, Shop Conclusion Adding more sail to the pointy end of the boat will improve light-air performance, and the furling systems and sock technology available today make it easier than ever to manage more sail area. You have entered an incorrect email address! Parts, Rule 1500 GPH Automatic It is critical that the deck core be sealed at any new penetrations, and any new points of stress in the deck or hull are conservatively reinforced to cope with the loads of the sprit kit. It is an ideal after market addition for sailboats without a bowsprit, and is easier and safer to use than a traditional spinnaker pole. Its sprit kit package comes with nicely machined saddle-type deck fittings and webbing loops for tack attachment. Based in Ledyard, Conn., Forte Carbon Fiber Products is a composite spar builder that has gained solid ground with competitive sailors. & Rings, Prop Nut Kits & Storage Tubes, Shop Pumps, Livewell Aerator Pumps & Circuit For added reinforcement, the manufacturer offers an optional attachment bracket along with a bobstay chainplate fitting. Caulking, Marine Engine Software, Digital An owner can choose either a stainless steel mounting bracket designed to fit an anchor roller, or a similar fitting designed for direct deck attachment. The bracket is a stainless ring with a low friction polyamide inner lining through which the bowsprit slides into its “active” position. Hardware, Boat Trailer Forums, Find For an 80 to 100 cm length, the section will be around 80 to 90 mm. The Forespar Banana Sprit uses a smaller-diameter sprit tube with a thick wall section, and incorporates a downward bias and a bottom gusset to add stiffness. Blocks, Marine The only other part of the project is to anchor the bowsprit to the deck of the boat. for Sale, Buy A Covers, Boat Wiring & Then you have to put on the bowsprit itself. Each comes complete with end fittings and mounting bracket options. GENNAKER BOWSPRIT Extendable gennaker bowsprit sold as a kit for deck mounting. & Fishing Lures, Fishing Rod Holders & The boat has a somewhat deep keel for a flat-bottomed boat, so bunks are required under chines to support the hull. His was most admirable; mine is a bit selfish. Another example is the Corbin 39. Honda 5hp Outboard, Boat Maintenance, Pumps and Screws, Boat Handles, Pulls, The thorough taping job you did on the spreader ends may actually accelerate the problem by holding in water. Fortunately, these sprits come with versatile hardware kits and installation guidelines that make sense. Do Twin Sheets Better Control the Mainsail? Accessories, Big Jon Accessories, Boat Plumbing, Anchor Adding a bobstay causes the upward crimp load at the collar (fulcrum) to lessen, but a new compression component is introduced at the support structure located at the aft end of the pole. Lights, Boat Trailer Protection, Dock Storage & Holder, Anchor & Dock Zincs, Generator A more permanent installation with a bobstay adds light-air on-the-wind sailing capability and makes sense for those with reasonably efficient sailboats. & Sonar, Trolling Seldn makes aluminum and carbon fiber sprits. GMT can engineer a streamlined bow sprit to compliment the shape and color of a yacht's overall aesthetics. For a 45-foot boat, an 80 to 100 cm bowsprit is the right ratio. Supplies, Boston Whaler, 1972-1993, Two padeyes are bolted to the deck in line with the bracket, and the aft end of the pole is secured to one of these, depending on whether it is extended or retracted. Trailer Winches, Shop With fuel prices scraping the stratosphere, efficiency in light wind may be a bigger priority than it was in the past. If you don't fully understand those terms and the interrelationship among them, don't change your CE by adding a bowsprit. In our recent look at furlable code sails, drifters, gennakers, and asymmetric spinnakers (“A New Twist on Furlers,” March 2008), we proved that an efficient “no foil” furler made hoisting and dousing a large light-air sail almost a walk in the park. With a free-standing sprit, the load at the fulcrum collar is upward, and theres a tendency to crimp the sidewall of the tube. No matter how well the spreader ends are protected, and whether you use ready-made vinyl spreader boots or conventional rigging tape, water will get through to the fittings inside. Sparcraft also offers a carbon-fiber version. Oars, Wakeboard, Wakesurf & High Back Reclining Helm Seat, Cabin and If you are flying an a-sail, a bowsprit will significantly enhance the performance of the sail … Hardware, Boat Seat GPS Chartplotter and Fish Finder Combo, Find A bowsprit (like those from Selden) is often a good idea to increase the gap between the furler and the headstay, but the furler can also be attached directly to the bow, depending on your boat. However, with a bobstay attached, some sprits can be used as a tack point for a code sail as well as for off-the-wind reaching with an asymmetric spinnaker. Distribution, ProMariner ProNautic The new approach simplified foredeck gymnastics and significantly streamlined the chute-handling routine. Plumbing, Fresh Water Boat Hopefully, with good guidance and proper installation, we will have a stronger, better boat when we put her in the water.

Thanks,
Jack Harrill
jackmharrill@hotmail.com, CREATE Login, Boats If you remember when all sailboats had wooden spars, manila lines, galvanized fittings, and cotton sails, chances are you have problems with your waistline, your hairline, and the number of teeth … Accessories, Marine DC Power Plugs Kits, Boat Trailer Systems, Lowrance Hook2-4 GPS It offers three different diameter tube sections for its aluminum kits. You must log in or register to reply here. As Martin Luther King once put it: I have a dream. ACCOUNT, Find Parts, Boat Tubing & Charts & A retractable bowsprit is a convenient way to provide for the tack of the spinnaker to be in clean air forward of the genoa. Karver is also now making this style, in their KSF top-down furlers. On a boat used in salt water, the atmosphere's corrosive nature can cause rapid disintegration of aluminum fittings (nevermind the fact that the spreaders might be 25 feet or more off the water). Communication, Auto Pilot Accessories, Marine Electrical Bullet Skimmer, Paint and Bottom Line: Though its deck fittings and design are not as elegant as some of the others tested, it will hold favor with those who have limited space at the bow. AS-30R for 38 ft (11.5m) ... AS-25 Adjustable Bowsprit € 920.00 Add to cart. If desired, it can also support a larger sail with more sail area than would otherwise fit your boat. It is an ideal aftermarket solution for your sailboat, and facilitates flying Asymmetrical Spinnakers and Code 0s. Excellent for short-handed sailing. It may not display this or other websites correctly. Instruments, VHF Radios & Its important to note both the strength and the direction of the pull when contemplating the force vectors involved. Working around a windlass, bow roller, cleats, and the anchor well can turn an easy installation into a real challenge. Our furler tests revealed that close reaching with a Code 0-type sail (a specialized lightweight sail designed for sailing tighter angles than an ordinary asymmetrical spinnaker) or even the use of a more conventional light No. Just as rigging turns side loads on a mast into compression loads, a bowsprits bobstay and other wires do much the same. Terminal After the gennaker is doused, the bowsprit can slide back and be … In cases where an anchor locker lies beneath the sprit, the tube can be easily pulled completely free and set in a second deck ring and inboard end-clip that is set outboard near the rail. An Answer to WICKED SALTY - Anchoring, Bowsprit & Bob Stayhttp://www.saltwest.cohttps://www.patreon.com/saltwestcoThe forces on your bow … & Dock, Anchor Chains & The kit contains a stainless-steel mounting ring with a high molecular weight plastic sleeve insert that helps reduce chafe at the tube and the tendency for the tube to crimp. bowsprit. Featured Do-It-Yourself Small Sailboat Rigging Do you have an older sailboat with minimal or worn running rigging? Hardware, Marine Once the bobstay is connected, you can then run an outer stay to the top of the mast. The tack line runs through the sprit, so the outboard end acts as a guide for a tack line. Savers, Boat Trailer Guides & Racks, Fish Finders, Sounders Bilge Pumps, Shop Waxes, Boat Cleaning Like any lever, the longer the stress arm becomes, the more load is imposed on the fulcrum-and the stronger both the bowsprit tube and its support members must be. GMT Composites addresses this with a range of solutions. Traditional bowsprits incorporated a bobstay and even whisker stays to reduce the bending loads at the fulcrum. Manufacturer, Boat Tables & The latest version has been extended at both the inboard and outboard ends. Much of the credit for mainstreaming this renaissance in bowsprits goes to Rod Johnstone, designer of the J-boat line and creator of the metric Js (130, 120, 105, etc.) Theres an upside and a downside associated with the sprits shorter length: Forward projection is limited, but the units compact size makes it very locker-stowable. On some boats, the advantage of a sprit is offset by the amount of clutter it adds to the foredeck. JavaScript is disabled. How frequently do you bother removing spreader boots and taping to check the condition of the spreaders and rigging?
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