HARD CHINE: An abrupt intersection between the hull side and the hull bottom of a boat so constructed.
HATCH: An opening in a boat's deck fitted with a watertight cover.
HEAD: Also the upper corner of a triangular sail.
HEAD(S): A marine toilet.
hard chine
A sharp-angle at the intersection of the hull's side and bottom.
hard over
Turning the steering wheel or tiller all the way in one direction.
The purpose is to prevent the hard chine of the boat catching a wake or small wave on a sharp turn. ASPECT RATIO The relationship between the height of a sail and its breadth. i.e.
Hard Chine: An abrupt intersection between the hull side and the hull bottom of a boat.
Hawser: A heavy line or cable used for towing, mooring or anchoring.
Head Sea: A sea which is traveling in the opposite direction to that of the boat.
Deep-Vee - A hard chine power boat having a 15 degree or more angle deadrise at the transom.
Dinghy A small boat, usually carried on hauled behind a bigger boat
Displacement-The weight of the water displaced by the vessel.
A hard chine has a sharp angle. A spray chine near a powerboat's bow deflects spray. A double chine is a complex combination of different-shaped chines. When a powerboat does a chine walk, she rolls from side to side.
2. A line formed where the sides of a boat meet the bottom. Soft chine is when the two sides join at a shallow angle, and hard chine is when they join at a steep angle.
 See also: Forward, Chine, Boat, Hull, Below
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