Container containers more than gantry cranes in seaports.

Container ships can be
categorized based on sizes and structure. Based on the structure, there are two
types of container ships. Those are,

container ships.

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§  Some geared ships have gantry cranes are installed. These cranes, specialized for
container handling, can roll forward and aft on rails.

§  This type of ships can operate cargo in ports
that are not equipped with container handling facilities such as cranes.


§  Additional capital expense and maintenance costs and ships will cost more to purchase than a gearless ship.

§  These cranes generally slower in loading and unloading
containers more than gantry cranes in seaports.

§  Less
capacity more than gearless container ships.


container ships.









 (Source: Clarkson research, March

According to this graph operating gearless large ship is
more profitable than operating geared small ship in present conditions. Modern
market small geared vessels more frequently use as feeder vessels. Other than
that, most of the large vessels are gearless due to various aspects. Following
advantages and challengers can be discussed regarding the gearless ships.


§  Large export volumes from states
will increase demand for creating more plants in several countries. This will
also drive demand of sourcing out raw materials.

§  Larger container ships will
beneficial for helping to contribute to the progress of developing countries.

§  When consider socio economic
aspects, with the larger capacity, more containers will be carried with less
number of vessels, leading to a decreased environmental impact.


§  Due to the Larger sizes, operational processes will be more
complexes such as placement, distribution, and handling of the containers.

§  Operational risk for operators and owners will be increased.

§  Ports have limited space. Therefore, fleet of huge ships can
be caused to occur longed waiting times within cargo loading and unloading