Downwind Sails

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Cruising boat sail plans, especially the modern In-Mast mainsail combined with a non-overlapping headsail, are optimized for going to windward.

To sail off the wind effectively you really need an additional sail. We build a lot of off the wind cruising sails and our expert team has a wealth of experience with the full range of options.

The available choices for propelling cruising boats off the wind are virtually limitless these days. The most common options fall under the two general sail categories of Spinnakers and Cruising Code Zeros.

Spinnakers are free flying sails connected to the boat at their three corners. Cruising Code Zeros are sails with a torsional element along their luff and relatively straight luff and leech to enable them to furl.

Spinnakers can be symmetrical or asymmetrical and vary greatly in their size, 3D design, and in how they are handled. Code zeros similarly have a range of size, material, and mold shapes but tend to be handled using a CZ furler with a torsion cable sewn into the luff.

A UV cover can be applied to certain Code Zeros which makes them super easy to use and able to be left up for periods of time.


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Cruising Asymmetric spinnakers

  • Nylon cloth ranging from .6 to 2.5 oz depending on use.

  • Asymmetric "poleless" designs are most common

  • Designs can range from close reaching to broad running shapes

  • Easily handled with ATN sleeves or top down furling systems

  • Wide range of colors and color pattern options

  • Typical apparent wind angles are from 80 to 140 degrees

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Cruising Code Zeros

  • Polyester laminate, woven polyester, or woven nylon cloth is used depending on sailing angles and boat type
  • Girths range from 50% for ultimate ease of handling up to 75% for more power and to meet racing rules
  • Designs can range from close reaching to broad running shapes
  • Easily handled with CZ furling systems, and a UV cover can be added for even more ease of use
  • Color options depend on the cloth used
  • Typical effective apparent wind angles are from 50 to 110 degrees