Further, one of the key patents of the Quickboat is the composite hinge, consisting of a strip of Kevlar fiber impregnated with a soft epoxy resin and trapped between a fiberglass flange. The hinge is especially designed to flex in such a manner that the Kevlar is always under tension. The hinge has been tested for more than 1500 openings, which presents more than 10 years of usage.

Hinge flex also provides the specific shape needed for the keel, which moves from a flat section at the bow to a V where the boat cuts into the waves to an inverted V towards the stern that gives the boat the proper directional stability. Finally, the fiberglass flanges also flex when hitting waves, dampening wave impact and avoiding overstressing of the panels.