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SS Carl D. Bradley unloading hopper in 1958
A self-discharger (or self-unloader) is a ship that is able to discharge its cargo using its own gear. The most common discharge method for
SS Carl D. Bradley unloading hopper in 1958
A self-discharger (or self-unloader) is a ship that is able to discharge its cargo using its own gear. The most common discharge method for bulk cargo
Bulk cargo is Product (business), product cargo that is transported packaging, unpackaged in large quantities.
Description
Bulk cargo refers to material in either liquid or granular, particulate (as a mass of relatively small solids) form, ...
is to use an excavator that is fitted on a traverse running over the vessel's entire hatch, and that is able to move sideways as well. Lake freighter
Lake freighters, or lakers, are bulk carriers operating on the Great Lakes of North America. These vessels are traditionally called boats, although classified as ships. Freighters typically have a long, narrow hull, a raised pilothouse, and the ...
s on the Great Lakes
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border. The five lakes are Lake Superior, Superior, Lake Michigan, Michigan, Lake Huron, H ...
use conveyor
A conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another. Conveyors are especially useful in applications involving the transport of heavy or bulky materials. Conveyor systems allow ...
-based unloading gear to empty funnel-shaped holds from the bottom, lifting the bulk cargo onto a boom. The Liberty Ships of World War II, By Greg H. Williams, page 255
See also
* Boland and Cornelius Company * Adam E. CorneliusReferences
Water transport {{engineering-stub