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Symbiote
31 days ago
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Children's stunted lungs show recovery in ultra lo...
The usual brake on a train that can't do regenerative breaking is a big grid of resistors to dump the energy as heat.
It's much less wear and tear than friction brakes.
https://en.wikipedia.org/wiki/Dynamic_braking
rsynnott
31 days ago
[–]
And diesel hydraulic trains (and some buses) usually use these:
https://en.wikipedia.org/wiki/Retarder_(mechanical_engineeri...
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It's much less wear and tear than friction brakes.
https://en.wikipedia.org/wiki/Dynamic_braking