Coil car
Coil cars (also referred to as "steel coil cars" or "coil steel cars") are a specialized type of rolling stock designed for the transport of rolls of sheet metal (called "coils"), particularly steel. They are considered a subtype of the gondola car, though they bear little resemblance to a typical gondola.
History
Prior to the invention of this type of coil car, coils of sheet metals were carried on-end or in cradles in open or covered gondolas. Load shifting, damage, and awkward loading and unloading were all problems, and since so much sheet metals are railroad-transported, a specialized car was designed for transporting coiled metals.
Cars manufactured specifically for coiled lading started to appear in the 1960s. Early examples include the Pennsylvania Railroad G40 and G41 class cars, built in 1964-65.[1]
Construction
The body of a coil car consists of a trough or series of troughs. Most commonly these run lengthwise, but there are transverse variants as well; in either case, they are steel and may be lined with wood or other material to cushion the load.[2] The coils are set on their sides in the trough with the core horizontal. Stops may be applied across the trough to keep the coils from shifting.
Some coil cars are open at the top, while others that carry commodities that can be damaged by the elements are equipped with hoods to cover the load.[2] Covered cars use either a pair of hoods or, commonly, a single hood. Each hood has a lifting point at its center, and often has brackets on the top at the corners in order to allow the hoods to be stacked when not in use. The hoods are largely interchangeable, and it is common to see a car with mismatched hoods.
In-factory Coil Cars
Special sheet metal coil transport cars can be used to transport the coils between the halls in the factory. They can be produced with or without rails according to the need. [3]
See also
References
- ^ Schoenberg, Rob. "PRR Class G41 data". prr.railfan.net. Rob's Pennsy home page on Railfan.net. Archived from the original on 9 March 2021. Retrieved 20 April 2024.
- ^ a b "What Is a Coil Car?". up.com. Union Pacific Railroad. Archived from the original on 15 August 2022. Retrieved 10 September 2022.
- ^ [1] Seyiton Sheet Coil Transfer Cart
External links
- Coil car CN 187186 without hoods, showing how car is loaded
- Historical pictures of various classes of coil cars on Conrail
- Transverse loading coil car
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