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Old April 7th, 2010, 09:15 PM   #541
Minato ku
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Gare de Lyon



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Old April 10th, 2010, 02:09 AM   #542
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Quote:
Originally Posted by Abhishek901 View Post
Why there is a problem of air quality when all the trains are electric ?
No I meant the braking dust, everytime a train brakes it creates particles that make the air so thick deep in the RER tunnels. Same problem in the London tube by the way.

Regenerative braking is a way to limit this braking dust and keep the air cleaner.
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Old April 10th, 2010, 04:23 PM   #543
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I thought the trains use electromagnetic braking, where current is passed through the axles and it slows down the axle through electromagnetic forces. In this case there is no physical force/friction applied for braking.
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Old April 10th, 2010, 07:04 PM   #544
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Quote:
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I thought the trains use electromagnetic braking, where current is passed through the axles and it slows down the axle through electromagnetic forces. In this case there is no physical force/friction applied for braking.
Not quite.

When you remove power from an electric motor it becomes a generator (provide of course the motor is turning) of electricity rather than a user of electricity. There are two things you can do with this electricity. You can either feed the power generated into resistors to burn the energy off or feed the power back into the power line. Both methods help slow the train down as a load is being placed on the motor, which makes it harder to turn, thus slowing the train. I guess you could loosely call that electromagnetic braking.

However it is not a replacement for physical brakes, it is simple used in conjunction with physical brakes.
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Old April 20th, 2010, 12:31 AM   #545
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The new livery of the refurbished MI79




Metropole

Ugly I hope they will change it.
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Old April 20th, 2010, 12:51 AM   #546
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That grey colour is okay but 2 different colours for doors !!
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Old April 20th, 2010, 10:22 AM   #547
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Quote:
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That grey colour is okay but 2 different colours for doors !!
In fact, it's because RER B is both RATP & SNCF. So the idea was to use the colors of the both companies... But not really a good idea !
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Old April 20th, 2010, 10:45 AM   #548
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In fact, it's because RER B is both RATP & SNCF. So the idea was to use the colors of the both companies... But not really a good idea !
If that was the idea, then they could have used red colour on the doors and have a turquoise strip on the side of the train. What was the need for this brotherly show-off on the doors
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Old April 20th, 2010, 01:15 PM   #549
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The NAT (new suburban train) livery changed a few days before its first commercial use.
We can hope a bit as the refurbished MI79 will not run before july.
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Old April 20th, 2010, 07:09 PM   #550
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Quote:
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The NAT (new suburban train) livery changed a few days before its first commercial use.
We can hope a bit as the refurbished MI79 will not run before july.
Is that Transilien ? Looks great but could have done away with multi-coloured seats.
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Old April 21st, 2010, 09:10 PM   #551
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Avenue Henri Martin




Gennevilliers



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Old April 22nd, 2010, 12:32 AM   #552
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Quote:
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I think it's a socialist ideology too. That's why there's no transverse seating in the NYC subway. Public transit is too often seen as a socialist thing in the US. That's one of the reasons that makes NY transit sytem is so austere and inhuman.
You, my friend are a moron. Isn't the LIRR, Metronorth, PATH etc. all run by PRIVATE for-profit companies? As for austere and inhuman, the average suburban North American shopping mall fits that description nicely...and they're not exactly bastions of socialism. lol

Back in the 70s and 80s the leftists were accused of being overly ideological, but today it is nutty right-wingers who are über ideological. Many are so deluded they consider everything that isn't working in the service of hardcore capitalism as "socialist" or "communist". Give your collective heads a shake.

/rant

We now return you to the topic at hand, the Paris RER system.
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Old April 22nd, 2010, 05:24 PM   #553
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Quote:
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You, my friend are a moron. Isn't the LIRR, Metronorth, PATH etc. all run by PRIVATE for-profit companies? As for austere and inhuman, the average suburban North American shopping mall fits that description nicely...and they're not exactly bastions of socialism. lol
Those lines were built by private railroads, but they are now operated by state agencies. By the end of the 1970s, private railroads in the US had abandoned their passenger services or handed them over to Amtrak or local public operators.
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Old April 22nd, 2010, 06:09 PM   #554
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Those lines were built by private railroads, but they are now operated by state agencies.
Same for the Paris Métro BTW !
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Old April 22nd, 2010, 09:51 PM   #555
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Yeah, there were 2 private companies building and operating the metro back then. One failed...
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Old April 22nd, 2010, 10:27 PM   #556
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One failed...
Indeed, but the most beautiful stations are the ones built by this company imho (Compagnie Nord-Sud) !
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Old April 23rd, 2010, 06:01 PM   #557
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And those stations would be?
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Old April 23rd, 2010, 10:45 PM   #558
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Quote:
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And those stations would be?
- The whole current line 12/Nord-Sud: Line A
- The whole former line 13/Nord-Sud: Line B (current line 13, north from St-Lazare)
- The whole former line 14/Nord-Sud: Line C (current line 13, south from Montparnasse)





Some details of the Nord-Sud Stations :












Source: pagesperso-orange.fr/reseau.nord-sud
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Old April 23rd, 2010, 10:50 PM   #559
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The stations on actual lines 12 and 13 that were already there in the 30th..
That excludes the central part of line 13, finished in the 70th, and most of the stations outside the Périphérique (ring road).
Those lines used to be called A and B, then 12, 13 and 14, and now 12 and 13, after 13 and 14 merged in the 70th.

Please note that the stations under refurbishment on those two lines are given a "Nord-Sud" style, wether they were originally Nord-Sud or CMP..
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Old April 23rd, 2010, 11:27 PM   #560
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I forgot to mention the fact that "Nord-Sud" stations with green faience are interchange stations (or "Terminus"), the brown ones being used in normal stations !

Last edited by parcdesprinces; April 23rd, 2010 at 11:36 PM. Reason: ct tah
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