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The sound of running water on the Jubilee Line
On Wed, 17 Nov 2004 16:42:17 +0000, Tom Anderson wrote:
Hi all, There's a London-oriented email newsletter thing called London by London; it's like Notes & Queries in structure, with people asking questions and other people answering them. This one doesn't have an answer yet, so i thought i'd pass it on: "Your post reminded me to ask the LBL readership (is it really 10,000 strong?) if anyone has heard another noise made by jubilee line trains. I can only describe the noise as the sound of running water. It's as if you're the other side of a very thin wall and someone's just flushed the loo in the next room. The noise seems to travel from one end of the carriage to the other and yet no one on the carriage bats an eyelid at this seemingly (super-) natural sound. Has anyone else heard it and do they know what it is?" The noise you describe is indeed running water, the 96' stock, like all the modern stock on the underground, is fabricated from an extruded aluminium body with a plastic inner shell that forms the interior of the carraige. There is a space between this shell and the actual body of the train to accommodate the air ventilation and wiring for the lights and other systems. On some cariages the roof has not been sealed properly and rain water has seeped into this space, this is what you hear moving about when the train is moving and braking. Chris ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
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