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Question - why is the Central Line so warm?

rick_chaseyrick_chasey Posts: 54,711 Lives Here
edited June 2011 in The bottom bracket
OK, now I understand many of you guys are not in London, nor are the ones who do likely to use the tube frequently.

However, enough cumulative brainpower/knowledge could be the solution.

So - why is the Central Line so warm, and why is it usually warmer than other lines?

I understood heat generally was generated underground through a) having a lot of people and b) heat coming from the brakes to stop the trains.

However, if that were the case, it wouldn't explain why the central line is so consistently hot, even when it's not busy, and why it so much wamer than other lines, which have a similar amount of people using it and, ostensibly similar train/braking technology.

Any ideas?

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