What a difference a few inches makes, at least in the go-fast powerboat world. Several years ago, Dave Hemmingson of Dave’s Custom Boats in El Cajon, Calif., decided to add a beamier version of his 31-foot-long catamaran. The expanded model was an instant success, and Hemmingson, nobody’s fool, decided to make the same move with his 29- and 35-foot cats. The DCB “M Series” was born, and it continues to lead sales for the exotic custom boat builder.

An artist's rendering of the new M41 catamaran from Dave's Custom Boats.

An artist's rendering of the new M41 catamaran from Dave's Custom Boats.

Now, Hemmingson is thinking bigger—and not just in terms of width. The builder’s latest catamaran project and biggest model to date, a 41-footer, will boast a 10’9” beam. Dubbed the M41, the catamaran most likely will be unveiled during Desert Storm,  April 25-28 in Lake Havasu City, Ariz.

The hull plug for the cat, which was cut on a $5 million, five-axis “aerospace” router, is complete. Deck tooling should be finished in the coming weeks.

DCB tapped Class-A Surfacing design technology, an advanced form of CAD software most often applied in the automotive world, to design the catamaran. Class A Surfacing enables designers to create surfaces with continuous waves or curves, but completely devoid of unwanted waves or other imperfections. In plain English, that means perfect curves and lines. And that means the world to Hemmingson, whose catamaran designs are full of such curves.

“This the first time Class A Surfacing has been used for a high-performance boat,” said Hemmingson. “The M41 definitely blends DCB wide-body catamaran and exotic automobile styling. We are about two months away from full production.”