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[quote]QUOTE: Originally posted by nobullchitbids Well, Junky, that raises yet another issue: I assume most of us know that flanges for the most part play no real role in keeping the train on the track -- their purpose is for emergency only. The real secret of a railroad wheel is its taper, since as you mention, this does tend to make the truck self-center. [/quote] Maybe on the flat lands, but go to Tehachapi, Cajon, Raton, or anywhere else with curves, and those flanges are jamming hard on the curves. If the taper could handle all but emergencies, steam locomotives would not have flange oilers. On the straight, the taper can help prevent most wear on the flange, but the flange is still very, very necessary.
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