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AFAIU, the Cityrail sparkies (electrics) in Sydney (and out to Wollongong, Newcastle, and the Blue Mountains) put their regenerative braking into the grid, and they are DC. The mechanical brakes mostly just do the last little bit to bring the train to a full stop.


I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
by BruceMcF (agila61 at netscape dot net) on Sun Dec 9th, 2007 at 08:28:00 PM EST
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