Archive for the ‘Boats’ Category
Author: rachmad mulyo
Boats - hull type
by : rachmad mulyo
Fast Trimaran Boat
Many kind boats that you can see at this time, there have only one hull, two hull (catamaran and has a three hull (trimaran), but the common and the most widely used is the type of monohull.
Whether it: monohull, catamaran and trimaran, based on the shape of the hull under the water line, boats can be categories into three main types: displacement hull, planing hull and semi-displacement hull.
Displacement hull
Displacement hull: Boat displaces water equal to its total weight when the boat moves through the water. In an attempt to reduce frictional resistance and wave making resistance, the bottom has rounded and the hull under waterline often is given a streamline shape.
Displacemen Hull type
The displacement hull type is suitable for a low speed travelling. Power to drive the boat through the water relative small, smaller engines cost less to buy and maintain. Advantages of this type, the Boat tends to be comfortable at anchor, spending time to relax or fishing at the sea.
Most regular of displacement boats such as: Pedal Boats, Fishing boats, Work Boats, House Boats and so forth
Semi displacement hull/ Semi Planing
Semi-Displacement hull: hull is a design that attempts to combine some attributes of displacement hulls with some features of planing hulls.The lateral cross-sectional area under the water line of the hull is slightly decreased from midship to the rear end of a stern.
Posted in 
