Many other things being equal, the longer the sail boat, the faster it can go before its bow wave defeats further speed increase. However, as any boat approaches its “hull speed,” an increasing amount ...

A European project is developing new Air Support Vessel (ASV) hull designs that allow watercraft to ride on a cushion of air to greatly reduce friction between the hull and the water, resulting in ...

These two diagrams illustrate the major components of water resistance to a boat, with the numbers relevant to the trireme replica. Wind resistance is ignored. The blue graph corresponds to the power ...