In the water, the rollers tended to drag a great deal of water up ... a craft more capable than simply designing a boat with narrow fixed hulls and a more traditional propulsion system.

Wind resistance is ignored. The blue graph corresponds to the power required to overcome the skin-friction drag between the wetted area of the hull and the water. This increases approximately as the ...

This summer, the Clipper Race fleet will set sail once again using the same Coppercoat treatment first applied in 2017. The award-winning and environmentally responsible antifouli ...