"Turned into?" History - it's important. The IWCA was formed out of necessity when HCA had no interest in the Wave as a class, but there were a lot of people racing them anyway. Because it had not been a racing class in HCA or Hobie Cat's eyes, there were a great many different sails out there, all made by Hobie Cat - Dacron, Mylar, different cuts and sizes, Sunkist, Coca Cola, etc. The IWCA adopted a single sail size, based on Hobie Cat's recommended specs. After a few years of successful events, the HCA decided to write new rules, with a crew and boat weight specified, and Hobie-only parts, thus setting up the situation of two, competing classes for a single boat.

OSYC is a fantastic venue and a wonderful organization - I'm sure they will host a quality event.