October 2018 revision of the 10R Class Rules has been done based on the DNM for GBR submission for a formal proposal to change J.1 (a) of the class rules to clear up the issue with swing rigs not complying with the class rules unless both (or all) the headsail spars are included in the rig area measurement.  


New edition of the 10R Class Rules, Measurement forms and certificate and  Sail Measurement Procedure - A suggested method valid from 1 November 2018  have been published on the IRSA website.