Wave-piercing hull

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MY Ady Gil in 2009

A wave-piercing boat hull has a very fine bow, with reduced buoyancy in the forward portions.

When a wave is encountered, the lack of buoyancy means the hull pierces through the water rather than riding over the top - resulting in a smoother ride than traditional designs, and in diminished stress on the vessel and crew. It also reduces a boat's wave making resistance.

Design theory calls for very long thin hulls, so in practice most are multi-hulls such as catamarans.

The main current usage areas are passenger ferries and military craft.

The reduced buoyancy can be problematic in rough sea, because the ship isn't lifted above the wave as much.

See also[edit]