How exactly does one even begin to trim a twin-skin mainsail? It’s really unusual from any other boat where you can ­practically look at the sail and know how to trim it. Now, we have an independent ...

The 42-foot Excess 13 slices through the water with asymmetrical hulls and a responsive, lightweight structure designed for bluewater cruising. Courtesy Excess Boat-show season is back with a boom.