Originally Posted by catandahalf
High aspect mains with heads approx. 75% of the foot length are showing up on NACRA 20s and the "Box" Formula designs in our neighborhood.

Maybe we should deep - six the modifiers until the Alter Area Semis roll around, and then we can react.

Are 'Box' boats exempt from the modifiers?

My post was simply my opinion. I have sent photos of the sails and my post to Carl Reigart, Chair of the USSA Portsmouth Committee, for his review.

Owners, in our area, that have selected the new mainsail are accepting the .995 hit because they know they are faster. Sail development in the A Cat Class is providing the stoke.

Jake, Mark Twain disliked adjectives as well. How about 'new sail with greater performance range?'

During my 'brief' tenure as race organizer, race officer, and competitor I have learned that sometimes it is best to address issues in advance and not wait on the bar talk to influence a major regatta.

Mr. Reigart and his committee will decide if any action is warranted. I guess I need to get used to seeing more Formula 16s and A Cats rip through the NACRA 20 Fleet in winds over twelve knots.


A Nacra 20, or any boat, with a non-factory sail takes a .995 hit automatically. If it's bigger than the factory it takes another hit.Same for jib and same for spinnaker. If it bothers you that an A cat is ripping through your course, then my suggestion is sail your boat better. They might be about even upwind but you should smoke them downwind. I own one of each(n-20 and A cat). In the defense of the N-20s w/ the big heads they have done that because of no factory advancement of the sails.I've wanted to do the same but have held back BECAUSE of the hit. If your competitors are not taking the hit, YOU should protest them. Trying to change the entire structure of the scoring system, and screwing everyone who plays by the rules, because your local guys aren't, is BS and let's them off the hook in the end.I think you are going about this backwards.
Here are your modifiers.
http://offshore.ussailing.org/Portsmouth_Yardstick/Tables_2010/MH_Modification_Factors.htm

As far as box boats not fitting the rules: A cats sails have to be measured and certified to race in their class. Just because the head looks bigger doesn't mean the sail is any bigger. Generally they take sail area from the less useful lower area and put it up top where it matters more.
I think you may be a little confused on how the system is supposed to work.

Last edited by Team_Cat_Fever; 03/27/11 02:34 PM.

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