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Specific Item Information: From series SRCX 900-919, built November 1977. As-delivered scheme with billboard “Sid Richardson Carbon Co.” lettering, and ACI labels. 28 roof hatches.
Model Information: ScaleTrains.com is excited to be the first manufacturer to offer N Scale scale plastic models of contemporary Thrall 5750 cubic foot and Thrall 4727 cubic foot carbon black covered hoppers. The 5750 represent sthe 1970s to present while the 4727 is appropriate for the 1990s to today. Both prototypes were painstakingly researched from field documentation, photographs, reference books, and builder drawings.
- 1970s carbody featuring 10 column-style posts per side and unique double hip roofline
- Separate granuflator plumbing
- Per prototype: 22 or 28 roof hatches
- Photo-etched stainless steel running boards and end platforms
- Separately-applied ladders
- Finely-detailed underbody brake detail
- Body mounted semi-scale plastic Type E knuckle couplers
- All-new ASF Gould-cast 70-ton Ride Control Trucks with finely rendered raised foundry data
- 33” machined metal wheels
- Coupler cut levers
- Trainline hoses
- Intricate brake plumbing
- Color matched to Tru-Color Paint colors whenever possible
- Printing and lettering legible even under magnification
- Minimum radius: 9 ¾”
- Recommended radius: 11”
- Operates on Code 55 and 70 rail
During the 1970s, Thrall Manufacturing Co. introduced a new railcar designed for handling carbon black. These 3-bay, 70-ton capacity covered hopper cars boasted a volume of 5750 cubic feet, and measured 51’ over their ends. Unlike traditional covered hopper designs, where the end slope sheets are plainly visible, these cars featured an enclosed, boxy design, which was a necessity due to a special design feature to aid in the unloading of carbon black.
At the inside ends of the car are special inflatable bags, called “granuflators”. When the car is loaded, they lay flat inside the car. When inflated with pressurized air, the granuflators expand, and push the carbon black towards the outlets. As typical with cars designed to haul carbon black, they featured tight-sealing 16” round roof hatches (22 or 28 depending upon customer specifications), sampling spigots on the car sides, and “butterfly” type outlet gates.
The “1970s” version of the 5750 represents production from approximately 1977 until 1979. This car features ten column-style posts per side and a unique roofline. While the ends are peaked and the end roof panels feature a single slope, the remaining roof panels feature a dual slope and a steep shoulder where it meets the side plate. Many of these cars are still in service today.
Road Name History:
Sid Richardson Carbon & Energy Co. has demonstrated a proven record of steady and successful growth through continued expansion and process/product improvement. Two of the manufacturing facilities produce 55 MW of electricity through cogeneration and exports approximately 50% to the deregulated market. Today, the company provides an annual production capacity in excess of 970 million pounds (440 thousand metric tons) of furnace carbon black, including over 40 grades of ASTM and specialty carbon blacks to more than 80 companies.
ScaleTrains is specifically focused on the tiny details in the printing and quality of the construction. The four friends who founded the company are all avid modelers themselves. Their factory is located in Tennessee. Unlike most other companies, they offer a range of different levels of complexity in their offerings so as to be able to provide products for both the budget-conscious collector as well as the detail-focused model enthusiast without compromising on quality for either.
Item created by: gdm on 2018-03-13 11:53:19
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