i have a 14 and a 16, the 14 system is newer and has cam adjusters. it works. the 16 has the old style non adjusting system. i went to a lot of trouble to re drill, add slop reducing screws to the cams, etc, and had it working pretty good. then a rudder broke, i had to re do that one then one of the cams with the screw "shims " broke because it was weaker. i then tried swapping the tillers so i could use the 14 adjustable parts on the 16, one of the tillers refused to be removed so i gave up on that project. i should add that i am a tinkerer and boat builder- i like to design my own-and i like to solve problems by simplifying whenever possible. whoever designed the hobie rudder system deserves an honorary doctorate in engineering, however the manufacture of the (older?) parts seems to have been pretty sloppy-no two alike. i hope i can make an almost fantastic system more adjustable and less finicky.