I understand that there is no "grandfather" period. The date is a cut-off and has been out for a while. I think most F18 sail makers knew of the cut-off date and have been making 2008 sails to the new measurement.

John Williams

- The harder you practice, the luckier you get -
Gary Player, pro golfer

After watching Lionel Messi play, I realize I need to sail harder.