Scooby the things that popped to my mind :
-1- Replace the trapezoid in the sailarea measurement by two triangles. It is more accurate and easier.
-2- Update the F16 rating to a faster one. In may 2005 we simplified our sailarea rules and effectively slightly entlarged our sail area and have not been able to contact the SCHRS since to effect this change. I think this to be unfair to sailors of other makes.
-3- Include daggerboard area in the rule and not only the aspect ratio. This will solve some issues with boats like the H17 (very small boards but will a significant aspect ratio). OR not include area and limit the hit one can get with a high aspect ratio. The latter is not absolute advantage because of "tripping" and unstable flow around the board. Low aspect boards do have advantages as well especially in the higher winds ranges. Right now the board rules seems to be a little to crude.
-4- Simplify the spi pole length rule. Non-European sailors don't understand the current rules very well or think it is just plain weird. The confusion around this rule appears to be immortal despite expaining it often. This hampers international acceptance.
-5- Do "something" with the singlehanders, the current ratings are unrealistically fast in comparison to the doublehanders.
-6- Limit the hit of a having a jib on a spinnaker boat. The spinnaker negates much of the advantages of the jib on downwind legs. This solves any problems when uni-rig boats fit a spinnaker in comparison to sloop rigged boats that fit a spinnaker.
Wouter