There are some trains which use independent wheels, but they need complicated me... | Hacker News

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		RX14 on July 9, 2022 \| parent \| context \| favorite \| on: Why BART uses a nonstandard broad gauge There are some trains which use independent wheels, but they need complicated mechanical centering mechanisms to replace the self-centering effect, and these are more expensive to maintain.

dredmorbius on July 9, 2022 [–]

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