Even more significant for the optimization of upwind speed is twist: the vertical shape of the leech. It’s been said that the only reason to have a front of a main is to be able to attach the leech ...

In the Wildman and Samba Pa Ti two-boat Melges 20 program, we spent many hours on the water tuning with each other. The hulls were identical, as were masts and sails. We had marks on all of our ...