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. 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. 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. The sail that is undergoing the most significant development today is the spinnaker.
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. North design suite is a family of 14 specialized software modules that together form. Stitching panels together with a nice even tension looks like a nightmare so stick them with the double sided tape that sailmakers use now. Uk sailmakers uses state of the art proprietary sail design software to create fast spinnakers. Testimonials june 2016 just got back from 2 weeks sailing with peter on the ip 350. Gybing an assymmetrical spinnaker on the outside youtube. Making a spinnaker at home fix it anarchy sailing anarchy. Discuss this video and anything sailing on my forum. If you have more than one spinnaker halyard, then choose the one on the same side of the boat as you led the tackline. We can also build you a sail in your own custom colour for a small additional charge. Our spinnaker sails are designed with stateoftheart smar azure sail design.
Former j80 world champion kerry klingler details how he makes his sprit boat go faster off the wind than the competition. Jul 11, 2015 how to rig a cruising spinnaker in 4 stingy stages. Racing asymmetrical and symmetrical spinnakers far east. 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.
Code 1 s light running and reaching spinnaker these sails are designed for very light winds and are normally manufactured from 0. Disclaimer the details in this design document are presented in good faith but no liability can be. This makes it easy to trim and minimizes the boats heeling angle when reaching. This was our design teams task for creating this spinnaker. Our asymmetric race spinnakers are of course custom made and constructed to the highest level of quality. Asymmetrical spinnaker rolly tasker sails australia. 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. The software is very capable, allowing designers to create the sail. 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. Our advanced sail design program moulds the perfect sail in size and shape. How high you fly the tack is a matter of wind velocity and angle. You might think that, with sophisticated sail design software creating. Techtri radial spinnakers these sails 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.
All of our asymmetrical spinnakers are of the same unique rolly tasker sails design as shown in the picture. Create the relaxing feeling of sitting on a white cloud. Inside the asymmetrical spinnaker by sandy goodall. We have the same sail design software, computer cutter and industrial sewing machines that you would find in. Modern products increasingly blur the boundaries between software, hardware and the internet. 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. You may have to clean the fabric with thinners where the tape is going if it is slick coated. More spinnaker like symmetrical shapes are larger, fuller sails, optimized for broad reaching and running. Because symmetrical spinnakers are just that symmetrical they can be easily jibed with the old clew becoming the new tack and vice versa. The flasher and gennaker are their trade names for an asymmetrical cruising spinnaker. If youre sailing relatively tight anglestrying to go fast forwardyou want the tack all the way down and the luff as. Sailing with asymmetrical spinnaker on hunter 260 sailboat. The spinnakers modern cross section design creates a forgiving shape with a smooth, rounded entry that straightens towards the leech.
An asymmetrical spinnaker is a sail used when sailing downwind. About yager sails spinnaker, asymmetrical spinnaker, main. Prosail headsailmainsail our sail design software is used by 270 lofts worldwide. The quantum asymmetrical is designed and engineered to be easy to set and trim, whether racing or cruising.
Save on standard size spinnakers at the sail store. New racing asymmetric spinnakers optimized speed north sails. Welcome to yager sails, sail designs and sail maker. Symmetrical and asymmetrical spinnaker 3 ways to design your custom made spinnaker. Use this tool to choose colors for your ullman spinnaker sail. Today, jboats have built the worlds largest fleets of asymmetric spinnaker sailboats over 3,000 today. 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. This light air sail was designed to reach like a head sail and also work well as an asymmetrical spinnaker.
We are a small sail loft where we custom design,computer cut and build all of our sails and canvas products. Standard asymmetric spinnakers our asymmetrical standard spinnaker has a modern allaround triradial panel layout with medium draft. Developed using the leading offwind design program and wind tunnel testing, each asymmetrical spinnaker model is optimized for specific wind angles while. Smaller sizes of asymmetrical spinnakers are available upon requests. 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. Quantum makes three basic asymmetrical spinnaker designs for cruising. 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. V0 small, genoalike, optimized for close reaching and for sailing nearly upwind v3 allpurpose, fullsized, provides best broadreaching and running performance.
Racing asymmetric spinnakers norths powerful racing asymmetrics are the evolutionary descendants of our dominant americas cup and volvo ocean race designs. Loong sails uses only top quality sail cloth and hardware from challenge, contender, dp, and bainbridge. We will attempt to match your colours and design as close as possible. Sailpack is the typical tool doyle sails designers use for daily sail design. Using symmetrical and asymmetrical spinnakers sail technology. The asymmetric spinnaker has helped to simplify downwind sailing, but.
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. Quantum expert dave flynn walks through what makes an asymmetrical kite special, why that matters for sail handling, and how to properly trim it. 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. 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. 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. 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. The aerodynamics of symmetric spinnakers request pdf. For racing boats please send us a copy of your irc certificate.
Evolution sails offers a series of asymmetric spinnakers designed to meet each. The full radial design is the most popular choice and strongest construction. Our spinnakers are made with premium sail cloth from challenge and contender sail cloth for both inshore andor offshore applications. Sep 11, 2016 single hand asymmetrical spinnaker practice in light wind on my beneteau first 235. Superyachts for the superrich may stray into the realms of exotic interior design or futuristic rigging setups, but exterior colours are basically fixed. We teach techniques that will allow you to sail faster, deeper, and with better control. Onesails racing symmetric and asymmetric spinnakers. New racing asymmetric spinnakers optimized speed north. Loong sails offers the best prices anywhere in the world with no compromise on quality. The design of the sail itself doesnt really change much.
Sail design software free download sail design top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. 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. Our asymmetrical spinnaker designs provide an excellent allaround performance sail. Spinnaker types of spinnakers asymmetric spinnakers. Jul 01, 2016 this is a function of design, materials, construction, and, ultimately, of breeze velocity. 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. Sailing, cruising spinnaker handling instructional video. Created at netflix, it has been battletested in production by hundreds of teams over millions of deployments. Flew it a lot in 12 to 17 knots of wind, but it also made the boat move nicely in 57 knots. It was founded by chairman bill bowman and president c.
Spinnakers apart, yacht and sail design traditionally holds little promise for fans of bright colours and intricate designs. Loads on an asymmetrical spinnaker pole boat design net. Spinnakers sail technologies custom performance and. Once you have a library of good designs for all aspect ratios then you can simply choose the correct one and. Now locate your spinnaker halyard, and tie it into the top of the sail. They are designed with a medium fullness and moderate head angle and shoulders so they fly easily in very light winds. 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. How to fly an asymmetrical spinnaker vermont sailing partners. Addon asymmetric pole design question sailing anarchy. Our sailmakers are committed to the development, design and testing of symmetrical and asymmetrical spinnakers for boats ranging from small onedesigns to americas cup. 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. Racing asymmetric spinnakers from north sails are descendants from americas. It is used to query a users access permissions for accounts, applications and service accounts.
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. Spinnaker is a boutique product design and development firm specializing in creating internetconnected devices and wearables, from concept through launch and beyond. Spinnaker 3d design is a cyclic process, going through each parameter and checking, over and again until the sail is right in all regards. Specify the sails overall dimensions, luff, foot, leech etc. Our sailmakers are committed to the development, design and testing of symmetrical and asymmetrical spinnakers for boats ranging from. Spinnakers ian short sails high performance racing and. Single hand asymmetrical spinnaker practice in light wind on my beneteau first 235. 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.
The radial shaped panels fan out from the three corners head, clew and tack and run throughout the sail. Aug 22, 2015 sailing with asymmetrical spinnaker on hunter 260 sailboat. It can be used with a spinnaker sock or top down furler. Custom flying gspinn custom flying sails by yager sails. Building on past development with geodesic fairing, recent development have been accelerated by enhanced cfd software and analysis tools, resulting in even faster spinnakers. With all of the recent development of asymmetrical spinnakers lately its easy to forget doyles conventional symmetrical spinnakers. About yager sails spinnaker, asymmetrical spinnaker. Tech triradial spinnakers are individually developed on our latest computer design software and cut by an automated cloth cutting machine. Spinnaker is an open source, multicloud continuous delivery platform for releasing software changes with high velocity and confidence. 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. Each sail is designed for a specific wind range and angles, to meet each individual customers need and their boats specifications. Also known as an asym, aspin, or asail it can be described as a cross between a genoa jib and a spinnaker.
Called by either name, this freeflying sail is attached at the corners like a symmetrical chute, and not along the luff like a genoa. Loong sails was founded by a professional sail maker in 1991. Remember, you cant do this because its never been done by anyone, ever. 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. This comfortable chair has got an exquisite, temporary design and the shape reflects the beautiful curves of a cruising spinnaker sail. The asymmetrical spinnaker is available in our high tenacity nylon and is designed for apparent wind angles of 80155 degrees.
Doyle sails central design team consists of highly qualified sailors who each bring different strengths. The original sailcut was a basic program developed by robert laine in 1978. We have the same sail design software, computer cutter and industrial sewing machines that you would find in a large production loft. Add on module for designing asymmetrical spinnakers. Software engineering spinnaker design united states. 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. Slack, email, sms, and acts on incoming webhooks from services like github.
How to rig a cruising spinnaker in 4 stingy stages the. Asymmetrical spinnakers are easy to use and optimise sailing performance in light winds on courses from 75 to 160 degrees. This is a video of a tartan 37 sailboat using a yager sails gspinn version three flying sail. 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. Spiral to apply mainsails, genoas, jibs and asymmetric spinnaker designs. The first modern offshore sailboats to incorporate a retractable bow sprit and an asymmetric spinnaker were jboats specifically, the j105. Our cutting edge asymmetric spinnakers are optimised for 6 different wind range. Other programs allow spinnakers to fly away from their oversimplified 2d outlines. How to choose your asymmetric spinnaker yachting world. Look aloft and make sure that the halyard is not twisted around the forestay, on its way down to the head of the sail. 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. The concept has spread rapidly through the sailing world.
Design and construction uk sailmakers uses state of the art proprietary sail design software to create fast spinnakers. Our unique design software and tools are amongst the most advanced 3d modelling and air flow technology available worldwide. I am not rewriting a software manual, so these notes are for general interest. Loong sails has stateofthe art design software and production equipment. They have been developed using the university of auckland twisted flow wind tunnel and the north sails virtual wind tunnel downwind flow simulation software. View used sail specifications, details, and price by clicking on any sail link.
We believe it is the easiest to use and most productive sail design software available and integrates flawlessly with our automation process. One of the cornerstones of our sailmaking process is a sophisticated and thorough approach to design and engineering. Sailcut8 is for junk rigs and batwing sails, and sailcut5is ready to cut windsurfer sails on your carlson design plottercutter. What changes is the designed angle of the apparent wind to the sail while flying. Spinnakers buy online now australia wide rolly tasker. Jun 30, 2016 asymmetrical spinnaker trim is the third part in our series on cruising sail trim. Rolly tasker sails asymmetrical and symmetrical custom spinnakers are designed with stateoftheart 3d sail design software. 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. Use a previous design or select from one of our samples over 100 sample designs are included. Sail design software free download sail design top 4.
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