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[quote]QUOTE: Originally posted by rvos1979 Dave, the sanding during an emergency application is to keep the wheels on the locomotive turning so as to not develop flat spots on the wheels. (You do not want flat spots on locomotive wheels, it doesn't do the trucks any good, and usually requires speed restrictions on the locomotive, usually in the neighborhood of 10MPH.) [/quote] Why if Locos Sand to avoid Flat Spots, then why don't they sand all Freight Cars to avoid Flat Spots?
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