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why are the new Victoria and trains so slow?
On Tue, 9 Aug 2011 13:47:22 +0100
Roland Perry wrote: In message , at 09:54:29 on Tue, 9 Aug 2011, d remarked: I understand one of the prerequisites for the introduction of regenerative braking on the Central Line was a requirement to replace older motors in escalators at stations. They share their supply with the traction and needed to be able to handle the greater variations in supply voltage. Does that mean the escalators speed up slightly when a train brakes into a station? Seems a good idea - get the passengers from the last train out of the station quicker! Hopefully they stay the same speed, but don't draw as much "external" power for a few seconds. Ah pity. I had images of a couple of particularly full trains pulling into a station at the same time and people being flung off the top of the escalator over the ticket barriers B2003 |
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