- The trailing edge of the rudder blade may be sharpened by sanding the blade between the trailing edge and a line 60 mm parallel to the trailing edge, provided the distance between the leading edge and the trailing edge of the blade is not reduced.
- Surface refinishing of the rudder blade is permitted provided that the original shape, thickness and characteristics are not altered.
- The rudder blade and/or rudder head holes may be enlarged up to a maximum diameter of 10mm. The rudder bolt and bush set may be replaced with a larger diameter bolt to fit this hole. The bolt head, nut and washers shall fall within a 20mm diameter circle.
- To achieve the maximum 78 degree rudder angle relative to the bottom edge of the rudder head, the leading edge of the blade may be cut away where it touches the spacing pin.
- To restrict the rudder angle to maximum 78 degrees relative to the bottom edge of the rudder head, the lower forward spacing pin shall be wound with flexible adhesive tape.
- The rudder pintles may be fitted with spacers to lift the rudder head to allow the tiller to clear the deck at the transom.
- The rudder downhaul line may have multiple purchases.
- A hole may be drilled in the top rudder pintle and a pin or clip inserted in the hole to prevent loss of the rudder.
- A wood rudder shall not be used on a hull that was originally supplied with a non wood rudder.
- The rudder shall be maintained in the full down position except whilst racing in water less than 1.5m deep unless otherwise specified in the sailing instructions.
