A soft chine refers to the angle that the deck and hull make when they meet, maximally 180 degrees.

The hull is generally flat on the bottom, making it plane easily.

Its 2500-foot hull made it a giant among the others, none of which was longer than 600 feet.

The hull made entirely out of welded steel.

A V-shaped hull tends to ease traveling straight (track), but makes turning harder.

The flat-bottomed hull made these craft extremely versatile and economical.

Rules have been modified to allow aluminum spars and hulls made partially or totally of fiberglass composite.

Its unique double hull and propulsion system make it one of the quietest research vessels in the world.

The flat hull also makes the boat more stable in calm water, which is good for hunters and anglers.

A carbon-composite double hull made of carbon sandwich panels with a honeycomb core.