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TTCI R&D: Effects of Braking on Wheels
May 12, 2021
RCF tread surface damage on a wheel removed from a car with disabled brakes. (TTCI picture)
RAILWAY AGE MAY 2021 ISSUE: As part of the Association of American Railroads’ (AAR) Strategic Research Initiatives program, Transportation Technology Center, Inc. (TTCI) investigated the effects of tread braking on wheel wear and tread surface damage by monitoring the performance of three articulated five-unit well cars and five coal hopper cars with disabled brakes operating in otherwise normal revenue service conditions.
The Federal Railroad Administration (FRA) granted an enforcement discretion for these eight cars to operate with disabled brakes in revenue service between 2016 and 2020. Trains moving these cars were required to contain enough cars to maintain at least 95% operational brakes. This requirement provided sufficient safety precautions as evidenced by the fact that no accidents, incidents or injuries occurred due to opera
MORRISONS has launched a brand-new range of ready meals, designed to make it easier than ever to create meals at home in minutes. The Bradford-based supermarket chain’s 40 new meals offer busy parents an ultimate stress-free dinner - with a focus on quality ingredients, added protein and lower levels of fat, salt and sugar. People can tuck into a Classic Mac and Cheese or fake a takeaway with the Southern Fried Meal Box or the Takeaway Beef Pepper Masala. There are more options for veggies and vegans too, including the Ready to Cook Tandoori Cauliflower with Masala Sauce and the Vegan Smoky Shredded Jackfruit Burrito Bowl.