I’ve googled it but just can’t seem to grasp it. How do they stay on as well as they do at such high speeds, with so few incidents of crashing or derailing? Especially when anything could be lying across the track waiting to get lodged in the wheels.
I hear so often that trains are so safe, but I don’t think I can get over my anxiety with them until I understand *why* they’re safe.
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People have mentioned flanges, and they help, but that’s a safety feature. If it touches the rail you get a nasty screeching noise.
Train wheels are conical section. If the train veers to the left, the left wheel is effectively larger which causes the train to shift back to the right.
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