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Jib Number Placement

The wording (below) in the Sailing Instructions & the use of white digits is suggested. This is based on what was used at the 2012 European Champsionships at Poole YC.

The minimum 600mm from the tack ensures both sets of numbers are above the window.

There is an arguement in favour of including leading zeros in numbers (not done at Poole) to ensure all boats have the same number of digits and it is clear if any digits have become detatched from the sail.

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Scrolling slideshow help

The slideshow above, from day 2, gives a good idea of how this placement & colour choice worked in practice. Thanks to Mike Millard for taking and allowing us to use the photos - more on Mike's Flickr account.

<Paragraph 1> While racing, boats shall display jib numbers. The organizing authority will supply the numbers and instructions for their use. This changes RRS 77 and Appendix G.

<Paragraph 2> The Identification numbers will be positioned as follows:

  • The numbers need to be fixed on both sides, in a single row, approximately parallel to the seams of the sail with the starboard side uppermost [not placed back to back]
  • The rows need to be placed more than 600mm and less than 1700mm from the tack measured along the luff of the sail.
  • Some point on the number nearest the luff needs to be within 50mm of the luff of the sail.
  • The distance between the rectangles enclosing the digits needs to be no more than 60mm

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