A couple of years ago, I got a Trac 14 for a case of Heinneken! The steering system was broken, but a system from a Hobie 14 fits and works perfectly!!

It was pretty simple to set up and we kept it at the river until Isabel took it away. we completely took it apart each time to store it and two people could put it back together in 20 minutes. The only thing I can really add is to use some kind of big wrench on the knobs that attach the beams to the hulls and to keep tightening them after each sail.