Q.” does it mean making the sails smaller or shortening the mast or both? I was already thinking of lengthening the keel 2 inches would this help? “

A. Yes making the sails smaller. Do not shortening the mast, lengthening the keel might help.
Most sailboat racers will have 3 Rigs.
A Rig light wind.
B Rig mild wind.
C Rig heavy wind.
I’m no expert, check out RC SAILING FORUMS.

http://www.popupscores.com/rcsailing/forum1/

http://www.rcgroups.com/forums/forumdisplay.php?f=59

Don M.