Code Zero

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On the left the Volvo Ocean 65 Team Alvimedica with the Code Zero rolled out while rounding a regatta buoy

The Code Zero or Code 0 is a special sail for a sailboat .

The Code Zero is a very large foresail that can be set under certain conditions: either in light winds of up to 10  kn true wind on close -wind and half-wind courses or in more wind on space sheet courses .

The sail was originally developed for the 1997/1998 Whitbread Round the World Race . It was measured as a spinnaker in this race , but it covered a gap in the sailing wardrobe that arises when the upwind course is to be deviated slightly when there is relatively little wind: the genoa are too small when there is little wind and do not provide enough propulsion , The angle to the wind is still too acute for a gennaker . Although the number of upwind sails in the Whitbread Round the World Race was severely limited by the regulations to save costs, the ships with the Code Zero could take one half to upwind sail with them because it was classified as a spinnaker according to the regulations.

Like the gennaker or the reacher, the Code Zero is driven on the fly, i.e. with a loose luff . The sail is only attached (attached) in two places - at the sail head and the sail neck. The sail is usually set and recovered with a furling system , so it is relatively easy to use.

As material for the Code Zero generally the same will cloth used as for light Genoa, z. B. Spectra , aramid , the polyester available under various trade names and lightweight Cuben fiber laminate.

Individual evidence

  1. a b c de.northsails.com - "Code Zero" (A0) Asymmetrical Spinnaker , accessed on September 9, 2012
  2. beilken.de - materials , accessed on 9 September 2012