Jul 01, 2016 this is a function of design, materials, construction, and, ultimately, of breeze velocity. The cross section shape has a softly rounded entry, that straightens and flattens towards the leech this draft shape makes the sail more tolerant, easier to trim, and minimizes heel when on a tight reach. Spinnaker 3d design is a cyclic process, going through each parameter and checking, over and again until the sail is right in all regards. Design and construction uk sailmakers uses state of the art proprietary sail design software to create fast spinnakers. It is asymmetric like a genoa, but, the asymmetrical spinnaker is not attached to the forestay over the full length of its luff, being rigged. I am not rewriting a software manual, so these notes are for general interest. We have the same sail design software, computer cutter and industrial sewing machines that you would find in. Jul 11, 2015 how to rig a cruising spinnaker in 4 stingy stages. This sail constructed with radial head and clew panels will best utilize the materials thread line and produce a stronger, faster and longer lasting sail.
Save on standard size spinnakers at the sail store. Our unique design software and tools are amongst the most advanced 3d modelling and air flow technology available worldwide. Or we can find it in our data base with the series of your sailboat otherwise with the i and j measurement, we are able to design it. The flatter and more genoalike asymmetrical the sail, the closer to the wind it can be carried. Stitching panels together with a nice even tension looks like a nightmare so stick them with the double sided tape that sailmakers use now. Sailcut8 is for junk rigs and batwing sails, and sailcut5is ready to cut windsurfer sails on your carlson design plottercutter. Sailing, cruising spinnaker handling instructional video. They are designed with a medium fullness and moderate head angle and shoulders so they fly easily in very light winds. Our cutting edge asymmetric spinnakers are optimised for 6 different wind range. Oct 19, 2015 the asymmetric spinnaker or asail has helped to simplify downwind sailing, but picking the right one can be the hard bit theres just so much choice. Our spinnakers are made with premium sail cloth from challenge and contender sail cloth for both inshore andor offshore applications. If you have more than one spinnaker halyard, then choose the one on the same side of the boat as you led the tackline.
An asymmetrical spinnaker is a sail used when sailing downwind. Software engineering spinnaker design united states. Add on module for designing asymmetrical spinnakers. Building on past development with geodesic fairing, recent development have been accelerated by enhanced cfd software and analysis tools, resulting in even faster spinnakers. However, unlike a traditional spinnaker, the luff is longer than the leach the same edge is always the luff and the maximum depth is closer to the luff. Sail design software free download sail design top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. This was our design teams task for creating this spinnaker. Disclaimer the details in this design document are presented in good faith but no liability can be. It was founded by chairman bill bowman and president c. Single hand asymmetrical spinnaker practice in light wind on my beneteau first 235.
All of our asymmetrical spinnakers are of the same unique rolly tasker sails design as shown in the picture. This comfortable chair has got an exquisite, temporary design and the shape reflects the beautiful curves of a cruising spinnaker sail. It can be used with a spinnaker sock or top down furler. The original sailcut was a basic program developed by robert laine in 1978. The software is very capable, allowing designers to create the sail. Now locate your spinnaker halyard, and tie it into the top of the sail. I am in the process of designing a 36ft fast cruiser, and i would appreciate some advice on how to design the pole bowsprit for the asymmetrical spinnaker approx 50sq m550 sq ft. Our asymmetrical spinnaker designs provide an excellent allaround performance sail. I will be talking through a little of what i have discovered over the years about spinnaker design, and will use a common sailmaking design program smarazure project to illustrate some of the concepts.
Code 1 s light running and reaching spinnaker these sails are designed for very light winds and are normally manufactured from 0. Our sailmakers are committed to the development, design and testing of symmetrical and asymmetrical spinnakers for boats ranging from. Remember, you cant do this because its never been done by anyone, ever. Asymmetrical spinnakers are easy to use and optimise sailing performance in light winds on courses from 75 to 160 degrees. Asymmetrical spinnaker rolly tasker sails australia. An asymetrical made for sailing dead down wind will look pretty much the same regardless of the boat, it will have a large windward projection, and a deeper cut draft. Our oneoff design asymmetrical spinnakers use a multipanel triradial design, allowing for more precise alignment of loads, while the increased number of panels enables the use of three dimensional shaping, creating the optimum flying shape with reduced seam loads. Sailcut cad is a sail design and plotting software which allows you to design and visualise your own sail and compute the accurate development of all panels in flat sheets. The design of the sail itself doesnt really change much. We can also build you a sail in your own custom colour for a small additional charge.
Rolly tasker sails asymmetrical and symmetrical custom spinnakers are designed with stateoftheart 3d sail design software in fullradial or triradial cut in strong sail construction and to any colour design you wish. Aug 22, 2015 sailing with asymmetrical spinnaker on hunter 260 sailboat. We have the same sail design software, computer cutter and industrial sewing machines that you would find in a large production loft. One of the cornerstones of our sailmaking process is a sophisticated and thorough approach to design and engineering. Discuss this video and anything sailing on my forum. Racing asymmetric spinnakers norths powerful racing asymmetrics are the evolutionary descendants of our dominant americas cup and volvo ocean race designs. Uk sailmakers uses state of the art proprietary sail design software to create fast spinnakers.
Modern products increasingly blur the boundaries between software, hardware and the internet. Feb 27, 2020 an asymmetrical spinnaker does have some drawbacks when compared to a conventional spinnaker and this has to do with jibing and rotating the sail aft once the wind comes from behind. Loong sails has stateofthe art design software and production equipment. Doyle sails central design team consists of highly qualified sailors who each bring different strengths. Gybing an assymmetrical spinnaker on the outside youtube. Using symmetrical and asymmetrical spinnakers sail technology.
Testimonials june 2016 just got back from 2 weeks sailing with peter on the ip 350. Each sail is designed for a specific wind range and angles, to meet each individual customers need and their boats specifications. I have assumed the worst load scenario to be a 30 knot gust whilst reaching, which will result in a side force of around 1 ton in the sail. Look aloft and make sure that the halyard is not twisted around the forestay, on its way down to the head of the sail. Today, jboats have built the worlds largest fleets of asymmetric spinnaker sailboats over 3,000 today. Use this tool to choose colors for your ullman spinnaker sail. The aerodynamics of symmetric spinnakers request pdf. What started as a simple, multipurpose asymmetrical spinnaker for cruising has been transformed into a series of three models specifically designed for the unique requirements of avid cruisers. Racing asymmetric spinnakers evolution sails offer a wide range of asymmetrical spinnakers, from the code zero for light air close reaching to the a5 for higher wind speeds.
You might think that, with sophisticated sail design software creating. I now use the more generic asymmetrical term because since they were used in the americas cup a few years back, most people are now familiar with what they are. This is a video of a tartan 37 sailboat using a yager sails gspinn version three flying sail. How to choose your asymmetric spinnaker yachting world. The asymmetric spinnaker has helped to simplify downwind sailing, but. Sandy goodall, fx sails head of design, has 30 years sailmaking experience and is the former technical director and head of design for elvstrom sails denmark.
The sail that is undergoing the most significant development today is the spinnaker. Loong sails offers the best prices anywhere in the world with no compromise on quality. Loong sails was founded by a professional sail maker in 1991. Create the relaxing feeling of sitting on a white cloud. Racing asymmetric spinnakers from north sails are descendants from americas. We are a small sail loft where we custom design,computer cut and build all of our sails and canvas products. How to fly an asymmetrical spinnaker vermont sailing partners. For racing boats please send us a copy of your irc certificate.
Loads on an asymmetrical spinnaker pole boat design net. Addon asymmetric pole design question sailing anarchy. Spinnaker is a boutique product design and development firm specializing in creating internetconnected devices and wearables, from concept through launch and beyond. If youre sailing relatively tight anglestrying to go fast forwardyou want the tack all the way down and the luff as. What changes is the designed angle of the apparent wind to the sail while flying. Evolution sails offers a series of asymmetric spinnakers designed to meet each. Spinnakers sail technologies custom performance and. Developed using the leading offwind design program and wind tunnel testing, each asymmetrical spinnaker model is optimized for specific wind angles while. Onesails racing symmetric and asymmetric spinnakers. The flasher and gennaker are their trade names for an asymmetrical cruising spinnaker. Loong sails uses only top quality sail cloth and hardware from challenge, contender, dp, and bainbridge. Other programs allow spinnakers to fly away from their oversimplified 2d outlines. The first modern offshore sailboats to incorporate a retractable bow sprit and an asymmetric spinnaker were jboats specifically, the j105.
The quantum asymmetrical is designed and engineered to be easy to set and trim, whether racing or cruising. Using sophisticated design tools for offwind sail development, wind tunnel testing, and the expertise of designers, technologists and manufacturing experts from industry and academia, quantums racing spinnakers have been developed to provide downwind power for every type of racing situation. They have been developed using the university of auckland twisted flow wind tunnel and the north sails virtual wind tunnel downwind flow simulation software. Making a spinnaker at home fix it anarchy sailing anarchy. Superyachts for the superrich may stray into the realms of exotic interior design or futuristic rigging setups, but exterior colours are basically fixed. Former j80 world champion kerry klingler details how he makes his sprit boat go faster off the wind than the competition. How high you fly the tack is a matter of wind velocity and angle. All rights to the spinnaker design and its associated software are the property of the university of manchester with the exception of those rights that accrue to the project partners in accordance with the contract terms.
Symmetrical and asymmetrical spinnaker 3 ways to design your custom made spinnaker. Because symmetrical spinnakers are just that symmetrical they can be easily jibed with the old clew becoming the new tack and vice versa. The radial shaped panels fan out from the three corners head, clew and tack and run throughout the sail. New racing asymmetric spinnakers optimized speed north sails. We believe it is the easiest to use and most productive sail design software available and integrates. Spinnakers apart, yacht and sail design traditionally holds little promise for fans of bright colours and intricate designs. About yager sails spinnaker, asymmetrical spinnaker, main. We will attempt to match your colours and design as close as possible. Spiral to apply mainsails, genoas, jibs and asymmetric spinnaker designs. Hood sails mps asymmetrical spinnaker measuring 36 3 luff, 31 9 leech, 25 6 foot is ready to sail and includes everything you need to deploy it.
View used sail specifications, details, and price by clicking on any sail link. Flew it a lot in 12 to 17 knots of wind, but it also made the boat move nicely in 57 knots. How to rig a cruising spinnaker in 4 stingy stages the. North design suite is a family of 14 specialized software modules that together form. The concept has spread rapidly through the sailing world. This page enables you to select the type of spinnaker based on the j measurement mast to bow of your boat and choose the color layout. You may have to clean the fabric with thinners where the tape is going if it is slick coated. Prosail headsailmainsail our sail design software is used by 270 lofts worldwide.
Smaller sizes of asymmetrical spinnakers are available upon requests. Asymmetric reaching trim seems easy but great asymmetric speed at all angles involves adjusting shape and technique to suit the conditions, boat, and sail asymmetric running trim is particularly tricky, as you cant square the pole back. Once you have a library of good designs for all aspect ratios then you can simply choose the correct one and. Our advanced sail design program moulds the perfect sail in size and shape. Sail design software free download sail design top 4.
Rolly tasker sails asymmetrical and symmetrical custom spinnakers are designed with stateoftheart 3d sail design software. We teach techniques that will allow you to sail faster, deeper, and with better control. We believe it is the easiest to use and most productive sail design software available and integrates flawlessly with our automation process. Our spinnaker sails are designed with stateoftheart smar azure sail design. It is used to query a users access permissions for accounts, applications and service accounts. Custom flying gspinn custom flying sails by yager sails. Spinnakers ian short sails high performance racing and. V0 small, genoalike, optimized for close reaching and for sailing nearly upwind v3 allpurpose, fullsized, provides best broadreaching and running performance. The asymmetrical spinnaker is available in our high tenacity nylon and is designed for apparent wind angles of 80155 degrees. The sailmaker or owner of the boat shall sign the sail indicating date of measurement, the length of the luff and leech, and girths, and hisher approval to all other requirements. Quantum expert dave flynn walks through what makes an asymmetrical kite special, why that matters for sail handling, and how to properly trim it.
Our sailmakers are committed to the development, design and testing of symmetrical and asymmetrical spinnakers for boats ranging from small onedesigns to americas cup. Tech triradial spinnakers are individually developed on our latest computer design software and cut by an automated cloth cutting machine. Measurements of our asymmetrical spinnakers range from 398 sq ft for a size 1 to 2852 sq ft for a size 18. Created at netflix, it has been battletested in production by hundreds of teams over millions of deployments. Asymmetrical spinnakers or aspins have become so popular in the last few years that most sailors are aware of what they are and how to use them. Our asymmetric race spinnakers are of course custom made and constructed to the highest level of quality. New racing asymmetric spinnakers optimized speed north. Quantum makes three basic asymmetrical spinnaker designs for cruising.
Sailpack is the typical tool doyle sails designers use for daily sail design. More spinnaker like symmetrical shapes are larger, fuller sails, optimized for broad reaching and running. Spinnaker color selection this page enables you to select the type of spinnaker based on the j measurement mast to bow of your boat and choose the color layout. Standard asymmetric spinnakers our asymmetrical standard spinnaker has a modern allaround triradial panel layout with medium draft. The spinnakers modern cross section design creates a forgiving shape with a smooth, rounded entry that straightens towards the leech. Specify the sails overall dimensions, luff, foot, leech etc. About yager sails spinnaker, asymmetrical spinnaker. Inside the asymmetrical spinnaker by sandy goodall. Our color diagrams are quite accurate representations of the finished product, however, variations of panel widths but not numbers of panels will happen based on the aspect ratio of your rig. With all of the recent development of asymmetrical spinnakers lately its easy to forget doyles conventional symmetrical spinnakers. The full radial design is the most popular choice and strongest construction.
Sep 11, 2016 single hand asymmetrical spinnaker practice in light wind on my beneteau first 235. Jun 30, 2016 asymmetrical spinnaker trim is the third part in our series on cruising sail trim. Spinnaker types of spinnakers asymmetric spinnakers. Spinnaker software was a software company founded in 1982 known primarily for its line of noncurriculum based educational software, which was a major seller during the 1980s. Techtri radial spinnakers these sails are individually developed on our latest computer design software and cut by an automated cloth cutting machine. Sailing with asymmetrical spinnaker on hunter 260 sailboat. Welcome to yager sails, sail designs and sail maker.
This sail constructed with radial head and clew panels will best utilize the materials thread line and produce a stronger, faster, and longer lasting sail. Racing asymmetrical and symmetrical spinnakers far east. Also known as an asym, aspin, or asail it can be described as a cross between a genoa jib and a spinnaker. Slack, email, sms, and acts on incoming webhooks from services like github.
259 96 341 274 1640 53 947 1168 548 833 278 1381 1571 912 342 277 125 286 1303 13 607 1354 1370 594 171 1209 753 697 987 1031 1436