Metals from rail and break friction are highly reactive and will damage delicate lining of the lung, like welding fumes do.
https://www.independent.co.uk/news/uk/h ... 75491.html
RC
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Metals from rail and break friction are highly reactive and will damage delicate lining of the lung, like welding fumes do.
ReformedCharacter wrote:Courtesy of The Independent, about potentially dangerous substances detected on the Underground:Metals from rail and break friction are highly reactive and will damage delicate lining of the lung, like welding fumes do.
https://www.independent.co.uk/news/uk/h ... 75491.html
!!!*** NOISE ***!!!
bungeejumper wrote:First Great Western used to have a nice line in rail break fiction. Horses on the line, usually. In leafy Ealing Broadway.
XFool wrote:On evening, in Summer 1987, I just 'knew'... https://en.wikipedia.org/wiki/King%27s_Cross_fire
bungeejumper wrote:Spooky coincidence! And I had my own experience of "just knowing". A week before the fire, I'd been changing trains at Kings Cross, and I was about three levels down in the lower levels of the station, where the trains had unaccountably stopped running. Probably just a routine rush-hour hitch, nothing important, but after I'd been waiting twenty minutes I got an attack of claustrophobia - not something I normally suffer from.
It didn't help that there was a low-volume alarm siren going on somewhere, and nobody had switched it off, and it was slowly doing my head in, down in the bowels of the earth. Either way, I just had to get out of that place. I remember running up the staircases in a bit of a panicky sweaty state, and out into the street, where the fresh air smelt wonderful. I walked the next couple of stops to my destination.
Seven days later..... Y'know, I can almost believe in that psychic stuff sometimes....
ReformedCharacter wrote:Courtesy of The Independent, about potentially dangerous substances detected on the Underground:Metals from rail and break friction are highly reactive and will damage delicate lining of the lung, like welding fumes do.
https://www.independent.co.uk/news/uk/h ... 75491.html
RC
AleisterCrowley wrote:At least some of them* have regenerative braking. I suspect it's a mixture
*S7 and S8 for example
Nimrod103 wrote:Do electric underground trains have physical brake blocks/callipers or do they use regenerative braking?
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