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In US railroad terminology, a gondola is an open-topped rail vehicle used for transporting loose bulk materials. Because of their low side walls, gondolas are also suitable for the carriage of such high-density cargos as steel plates or coils, or of bulky items such as prefabricated sections of rail track. Gondolas are distinct from hopper cars in that they do not have doors on their floor to empty cargo.
In Australia these wagons are called open wagons .
The first gondola cars in North America were developed in the 1830s, and used primarily to carry coal. Early gondolas were little more than flatcars with wooden sides added, and were typically small – 30 feet (9.14 m) or less in length, and 15 short tons (13.4 long tons; 13.6 t) or less in weight. These cars were not widely used at first, as they could only be unloaded by workers shoveling out their cargo by hand, a slow and labor-intensive process. A solution for this problem was developed around the 1860s with the drop-bottom gondola, which had hatches installed in the floor which could be opened at a destination, with workers using shovels to direct cargo towards the hatches. This was an improvement over earlier gondolas, but still required manual unloading.
After the American Civil War, advances in technology, especially the development of steel, allowed new and larger gondola designs. New gondolas built with steel sides and frames (though wood was retained for flooring, since it was flexible and cheap to replace) were often built to lengths between 40 and 50 feet (12.19 and 15.24 m), and gradually increased in capacity from around 30 short tons (26.8 long tons; 27.2 t) to as much as 70 short tons (62.5 long tons; 63.5 t) by the early to mid 20th century. Gondolas began to be built for specialized purposes; depending on their intended cargo, the side heights could range from just two feet (0.61 m) for bulk commodities like sand, to six feet (1.83 m) or more for loads such as pipes, ten feet (3.05 m), or more for light cargos like woodchips. Covered gondolas were also developed for cargos that had to be protected from the elements, such as food and freshly made steel. Starting in the 1950s and 1960s, high-sided gondolas were used for coal, thanks to stronger car construction and the invention of rotary car dumpers, which allowed these gondolas to be emptied automatically.
In the second half of the 20th century, coal haulage shifted from open hopper cars to high-sided gondolas. Using a gondola, the railroads are able to haul a larger amount of coal per car since gondolas do not include the equipment needed for unloading. However, since these cars do not have hatches for unloading the products shipped in them, railroads must use rotary car dumpers (mechanisms that hold a car against a short section of track as the car and track are slowly rotated upside down to empty the car) or other means to empty them. The term "bathtub" refers to the shape of the car.
The "Double Rotary" coal gondola is required in this consist. The "Double Rotary" referring to this car that has rotary couplers on both ends instead of one end.
The coil car is a modified gondola designed specifically for carrying coils of metal.
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Track ballast gondolas carry ballast. These gondolas are side tipping.
An open railroad car (gondola) with a tipping trough, often found in mines. Known in the UK as a tippler or chaldron wagonand in the US as a mine car.
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A railroad car, railcar, railway wagon, railway carriage, railway truck, railwagon, railcarriage or railtruck, also called a train car, train wagon, train carriage or train truck, is a vehicle used for the carrying of cargo or passengers on a rail transport system. Such cars, when coupled together and hauled by one or more locomotives, form a train. Alternatively, some passenger cars are self-propelled in which case they may be either single railcars or make up multiple units.
A boxcar is the North American (AAR) term for a railroad car that is enclosed and generally used to carry freight. The boxcar, while not the simplest freight car design, is probably the most versatile since it can carry most loads. Boxcars have side doors of varying size and operation, and some include end doors and adjustable bulkheads to load very large items.
The Somerset Railroad is a railroad that operates in Niagara County, New York. However, this railroad isn't part of its own company with its own motive power. The railroad is sometimes mistaken as being classified as a Shortline, however it is not a shortline. It is currently operated by CSX Transportation. The railroad was built with the primary objective of providing coal to the Kintigh Generating Station, also known as the Somerset Power Plant, a 675 megawatt coal-fired power plant located in Somerset, New York. The railroad was built in 1983 by the New York State Electric and Gas Co. using new and old rights of way. From Lockport, New York, it runs on the defunct International Railway Co. (IRC) interurban line opened in 1900 under the name Buffalo, Lockport & Olcott Beach (BL&OB) which became part of the IRC in 1902. From Newfane, New York, the SOM sweeps off the IRC to the Hojack Line in Appleton, New York, to West Somerset in the Town of Somerset. It then swings off on new trackage to a series of spurs and a loop at the Kintigh Generating Station.
The Hulett was an ore unloader that was widely used on the Great Lakes of North America. It was unsuited to tidewater ports because it could not adjust for rising and falling tides, although one was used in New York City.
A hopper car (US) or hopper wagon (UIC) is a type of railroad freight car used to transport loose bulk commodities such as coal, ore, grain, and track ballast. Two main types of hopper car exist: covered hopper cars, which are equipped with a roof, and open hopper cars, which do not have a roof.
Bulk material handling is an engineering field that is centered on the design of equipment used for the handling of dry materials. Bulk materials are those dry materials which are powdery, granular or lumpy in nature, and are stored in heaps. Examples of bulk materials are minerals, ores, coal, cereals, woodchips, sand, gravel, clay, cement, ash, salt, chemicals, grain, sugar, flour and stone in loose bulk form. It can also relate to the handling of mixed wastes. Bulk material handling is an essential part of all industries that process bulk ingredients, including: food, beverage, confectionery, pet food, animal feed, tobacco, chemical, agricultural, polymer, plastic, rubber, ceramic, electronics, metals, minerals, paint, paper, textiles and more.
A dry bulk cargo barge is a barge designed to carry freight such as coal, finished steel or its ingredients, grain, sand or gravel, or similar materials. Barges are usually constructed of steel. They have an outer hull, an internal void that is fitted with heavy struts and cross braces or scantlings, and an internal cargo box. The outer hull of a barge can come in one of two configurations. A rake barge has a curved bow to provide less resistance when being pushed and is usually placed at the head of the tow. A box barge is usually placed in the center and rear of the tow and can hold more cargo.
A covered hopper is a self-clearing enclosed railroad freight car with fixed roof, sides, and ends with openings for loading through the roof and bottom openings for unloading. Covered hopper cars are designed for carrying dry bulk loads, varying from grain to products such as sand and clay. The cover protects the loads from the weather. Dry cement would be very hard to unload if mixed with water in transit, while grain would be likely to rot if exposed to rain.
A rotary car dumper or wagon tippler (UK) is a mechanism used for unloading certain railroad cars such as hopper cars, gondolas or mine cars. It holds the rail car to a section of track and then rotates the track and car together to dump out the contents. Used with gondola cars, it is making open hopper cars obsolete. Because hopper cars require sloped chutes in order to direct the contents to the bottom dump doors (hatches) for unloading, gondola cars allow cars to be lower, thus lowering their center of gravity, while carrying the same gross rail load. The "Double Rotary" coal gondola or coal hopper is required for compatibility.
Rail freight transport is the use of railroads and trains to transport cargo as opposed to human passengers.
Bulk cargo is commodity cargo that is transported unpackaged in large quantities.
A mineral wagon or coal truck is a small open-topped railway goods wagon used in the United Kingdom and elsewhere to carry coal, ores and other mine products.
Coil cars are a specialized type of rolling stock designed for the transport of coils of sheet metal, particularly steel. They are considered a subtype of the gondola car, though they bear little resemblance to a typical gondola.
The Ralston Steel Car Company operated in Columbus, Ohio, from 1905-1953. The company began by modifying wood freight cars to add steel underframes. Later it manufactured its own line of all-steel rail cars.
A minecart or mine cart is a type of rolling stock found on a mine railway, used for moving ore and materials procured in the process of traditional mining. Minecarts are seldom used in modern operations, having largely been superseded in underground operations by more efficient belt conveyor systems that allow machines such as longwall shearers and continuous miners to operate at their full capacity, and above ground by large dumpers.
Heyl & Patterson Inc. is an American specialist engineering company, founded in 1887 and based in Pittsburgh, Pennsylvania.
Open wagons form a large group of railway goods wagons designed primarily for the transportation of bulk goods that are not moisture-retentive and can usually be tipped, dumped or shovelled. The International Union of Railways (UIC) distinguishes between ordinary wagons and special wagons (F/6). Open wagons often form a significant part of a railway company's goods wagon fleet; for example, forming just under 40% of the Deutsche Bahn's total goods wagon stock in Germany.
The Victorian Railways in Australia have had a vast range of hopper-type wagons over the last century, for transporting anything from grains through fuel to various powders.
A coal truck may refer to: