Helix Code Zero Asymmetric Spinnaker – Mid Girth (SMG) >75%įor systems that disallow mid-girths between 50 and 75%, this sail remains much the same in concept as the original Code Zero. Discuss with your North Sails representative the rating system under which you will be racing to determine whether and which any rule restrictions or prohibitions apply. And other systems attempt to generate accurate ratings with no special consideration given to mid-girths between 50 and 75.
Other rating systems heavily penalize mid-girths greater than 50%/less than 75%. Note: Some rating/handicap systems strictly limit the available mid-girth specifications of rule-eligible sails, barring sails with mid-girths greater than a headsail’s 50%/less than a spinnaker’s 75%. Helix Code Sails and Mid-Girth Measurements Then, the sail is designed around your specific needs. When purchasing a Code Sail, your boat’s performance, target wind angles and anticipated wind speeds, your onboard sail handling systems, and the sail material you have chosen are all taken into consideration. The exact implementation of the Helix Structure varies according to the specific version of Code Sail. They are custom-designed – optimized to react to dynamic sailing loads, easily and efficiently handle torque for furling, and offer load-sharing characteristics suited to a much wider wind angle and wind speed range.Īs of January 2022, Helix is now a feature of all North Racing Code Sails. While Code Sail is a term used by sailmakers across the board, in recent years North Sails has redefined what it means to have a North Code Sail, with the introduction of its Helix Structured Luff technology.Ī design philosophy first introduced for offshore Grand Prix, the performance benefits of Helix have reverberated around the sailing world, making Helix Code Sails the go-to tool for improving aerodynamics and increasing range.Ī post shared by North Sails their unique luff structures, Helix Code Sails give sailors another gear, increasing power potential by projecting the sail further forward and optimizing load sharing, for a positive sail shape and enhanced control. Helix Structured Luff: Code Sails Redefined REQUEST A QUOTE CONTACT YOUR LOCAL EXPERT LEARN MORE ABOUT CODE SAILS Boats with non-overlapping headsails see the biggest benefit from Code Sails, as they better fill the inventory gap between upwind headsails and downwind spinnakers. As their effectiveness and ease of use became increasingly apparent, Code Sails expanded into cruising as well, and multihull sailors coined the term “Screechers” for their similar, specialized, high-performance reaching sails.Ĭode Sails add a great deal of sail area and power for close reaching angles. This design also became popular among handicap racers under Rules like IRC, ORR, and PHRF. Volvo Ocean Racers coined the term Code Zero, which fit into the established North Sails coding convention: A1, A2, A3, etc. Originally “Code Zeros” were designed to qualify as spinnakers under various rating rules that require the mid-girth to be 75% of the foot length. To understand all the different names and versions, it may help to look back at the origin of these sails. While Code Sails may look and perform quite differently from one another, there is one common theme: Code Sails are fast, flat, free-flying sails, designed for close reaching angles. What started out as an innovative and straightforward concept has rapidly evolved into a whole new category of sails.
The term ‘Code Sail’ means different things to different sailors. ApCODE SAILS DEFINED What Is A Code Sail?
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