Following feedback from the 2015 class survey, the class committee in conjunction with World Sailing have amended, approved and published the 2016 class rules.These are now available from the World Sailing website

Official class rule interpretations

Rule C.6.1​ MODIFICATIONS, MAINTENANCE AND REPAIR (d)​ Cleats, blocks and their fittings supplied by any manufacturer may be replaced in the same position as the standard fitting or as close as structurally possible. Replacement cleats shall be substantially the same size and design. Replacement blocks shall have the same number of sheaves of a similar diameter.

The class IM confirms that in the last sentence of this rule the word 'similar' can be a sheave diameter between 40 - 60mm when applied to the spinnaker ratchet blocks.

Rule C.9.7 STANDING RIGGING (a) MODIFICATION, MAINTENANCE AND REPAIR
(4)  Standing rigging may be replaced and shall comply with the following:

1. (i)  Construction shall be 1 x 19 stainless steel wire rope.
2. (ii)  The forestay, shrouds and lower shrouds shall be of a minimum diameter of 2.9mm and a maximum diameter of 3.1mm. 

The class IM confirms that dyform wire does not comply with the class rules and is not class legal

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