J/30 Class Association Forums J/30 Forum The Boat, Sails and Equipment J29 & J30 share a rudder?

Koos - that is a correct statement. Para 5.6.1 identifies the rudder sources that have been approved by the class based on review of prototypes submitted for inspection by the board of governors. This is in addition to the stock rudders built by TPI, who no longer manufactures J/30 parts.