Depending on the length of your scrap, stretch hoppers can be designed to have one or both ends open. Due to the product's increased weight, the wheelbase is noticeably short.

Warren Calloway photo.Other variations include covered hoppers, which carry bulk products such as grain, lime, cement, and in some cases sand that must be protected from the weather while in transit.

Conical hoppers must be steeper to promote the same amount of flow but wedge-shaped hoppers require a conveyer to collect the materials that exit from it.

Although, one then wonders why have drop-bottom chutes at all?

The hopper size, gauge of metal used, and overall design are usually specific to the materials being stored or transported.Each business needs to look at its machinery, scrap products, and available space to determine which hopper style and size works best for them. This particular car (which could handle just under 80 tons), owned by the Omaha, Lincoln & Beatrice, represents the 50 to 80-ton cars typically found in service during the classic era of railroading. If several pieces of long metal need to be moved, a stretch hopper does this quickly and safely.5 Lean Manufacturing Principles & 10 Tools You Need For Your Manufacturing Plant →With their many designs and uses, you can purchase a trash hopper for your plant and make your team and plant safer, cleaner, and more efficient!Instead of needing an enclosed hopper that is 6 feet wide, you can get a smaller stretch hopper and keep the ends open.

7 (2002):      39-42. As shown in the diagram above, material flows through a center channel.

Today, the open-top version of these cars haul everything from coal to aggregates, such as ballast (a term which refers to the crushed rock used under the railroad tracks that acts as support and cushioning), and feature a number of different drop-bottom designs to empty their cargo. 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.
The hopper shown below to the right is conical whereas a wedge-shaped hopper is a trough with a narrow slit, as shown to the left. Andre Kristopans put together a web page highlighting virtually every unit every out-shopped by General Motors' Electro-Motive Division. Chemical Engineering Carson, John W. and Joseph Marinelli. Alas, in 2013 the site closed by thankfully Don Strack rescued the data and transferred it over to his The more modern coal hopper would appear around 1850; it featured four axles (which rode on an early truck system), was 11 feet 6 inches, 5 feet 3 inches wide, 40 inches deep, and carried a wheelbase of 9 feet 6 inches.

Perry's Chemical Engineers' Handbook There are two types of hoppers, conical and wedge-shaped.

Also, funnel flow is used when segregation is not important. 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.
Instead of being used for small scrap pieces or products, stretch hoppers are made for long pieces of scrap or material.Nothing slows down the manufacturing process more than having a workspace cluttered with trash, unfinished products, or unnecessary parts.Hoppers used in manufacturing settings are usually made from metal or steel. Instead of needing room for a dumping mechanism, a bottom dump hopper uses every cubic inch of available space for scrap.

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. You will be hard pressed at finding a better online resource regarding diesel locomotives than Craig Rutherford's Notable here are the Lehigh Coal & Navigation Company (via its Mauch Chunk & Summit Hill Railroad) and the Delaware & Hudson Canal Company. Leafhopper, any of the small, slender, often beautifully coloured and marked sap-sucking insects of the large family Cicadellidae (Jassidae) of the order Homoptera. If you are researching active or abandoned corridors you might want to check out the Interurbans: History, Photos, Car ManufacturersAs the hopper became larger so did the number of drop-bottom chutes it carried; from two, to three, and now today most carry four chutes (more chutes allow for faster unloading times). "Solve Solids Handling Problems by      Retrofitting." As wheel loads increase, track maintenance expenses increase and the ability of a given rail weight, ballast depth, and tie configuration to handle prolonged rail traffic decreases. Not only are the current cars capable of hauling 100-tons but also many now have rotary couplings to literally spin the car 360 degrees while still attached to the train.

All Rights Reserved. and is rated for 100 tons. 7th ed.


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