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Message: <blockquote data-quote="Rexer John" data-source="post: 125582" data-attributes="member: 12691">Interesting fact...When we hear trains making screeching and squealing noises, we usually think it's a wheel bearing or brake noise.The noise is usually caused by the wheels skidding on the tracks.When a car (automobile) turns, the differential allows the left and right wheels to turn at independent speeds.On a train, each axle and wheel pair are in a solid set, so on a bend the wheels skid to make the turn and you get a squealing noise.Just thought I'd throw that in <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></blockquote>