A couple people have mentioned the article on the Performance Sailor / Canadian Yachting linked below to me as something that might be of interest to our members. Not being much of a racer myself I can't say for sure but with the cold winter days keeping us inside right now I thought I'd share it incase some of our avid racing sailors would enjoy it. 

Hopefully this is of interest and i you are interested the rule book should be available at Fogh Marine or your favourite marine shop.