Outstanding advice and information! Thank you!! Here's another question - as I've been submitting quote requests with sailmakers, they ask for basic dimensional info (I, J, P and E). How do I best determine that? There's info at Sailboatdata.com (VENTURE 21 sailboat on sailboatdata.com
), or should I measure my old sails (which I just happen to have here at home
Again, thank you for taking the time to write responses to my questions, it is very much appreciated!