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Old November 16th, 2013, 06:21 PM   #4361
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Bonne Nouvelle.





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Old November 16th, 2013, 10:17 PM   #4362
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I'm starting to love the MP89CC and its incredible "sound"...
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Old November 16th, 2013, 10:30 PM   #4363
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One of my favorite aspects of the MP 89! The sound it makes when it arrives/departs!
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Old November 17th, 2013, 04:42 AM   #4364
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Quote:
Originally Posted by bagus70 View Post
I've just remember that some Paris Metro lines utilizing rubber tire trains. I was wondering what is the benefit of rubber tire when compared to steel wheel?
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Well, rubber-tired trains are much quieter in operation but I think the most benefit from this system goes to Michelin.
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Old November 17th, 2013, 10:42 AM   #4365
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Quote:
Originally Posted by Tyger-Wyger View Post
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Well, rubber-tired trains are much quieter in operation but I think the most benefit from this system goes to Michelin.
To be fair, back in the 50s and 60s, when rubber-tired trains were developped, steel-wheel trains often were bumpy and noisy. Later in the 80s this was fixed using adsorbers at the wheels and air-suspension for the bogies. So the difference is nearly none today. It´s also a matter of the trackbed. Gravel is much quiter to drive on than on concrete slabs.
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Old November 17th, 2013, 11:04 AM   #4366
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Old November 17th, 2013, 03:39 PM   #4367
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Quote:
Originally Posted by tunnel owl View Post
To be fair, back in the 50s and 60s, when rubber-tired trains were developped, steel-wheel trains often were bumpy and noisy. Later in the 80s this was fixed using adsorbers at the wheels and air-suspension for the bogies. So the difference is nearly none today. It´s also a matter of the trackbed. Gravel is much quiter to drive on than on concrete slabs.
True. That's the reason why all the lines in Paris that have elevated sections were converted to rubber.

Remember that the bridges on these sections are made of iron, not concrete, and that the trains were Sprague-Thomson made of steel - aluminum was not in use at this time. I remember very well the line 6 before the conversion - it was really very noisy.

Another advantage was the better accelerations ; this is very important in Paris, where the distance between stations is very short.

Moreover, french authorities at this time were very fond of unusual technologies : at the same time, they built the Rance tidal power station, the solar furnace in Odeillo...
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Old November 17th, 2013, 03:56 PM   #4368
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Not all, only the line 6.
The other lines with signifiant elevated section in Central Paris (2, 5) are all with steel-wheel trains.

The main advantage of rubber tired train was a better acceleration and braking compared with steel-wheel train of this time.
The first converted line was the line 11 in 1956, the line 11 was the newest line with the smallest number of km back then. We can see this convertion as a big test.
After it was the two busiest lines, line 1 and 4 during the early 1960's.
Line 1 and 4 were very crowded and rubber tired trains could improve the speed and frequencies of those lines compared with steel-wheel trains.
Only the line 6 was converted due to noise issues. This was during the early 1970's.

EDIT: I am wrong about line 11, at this time it was not the smallest line.
The smallest line was the line 14 between Invalides and Porte de Vanves (now part of line 13).
Except the size, the other reasons of the conversion of line 11 was because this line has tight curves and is steep.
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Old November 17th, 2013, 04:02 PM   #4369
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It was originally planned to have all lines converted to rubber, but it was later cancelled due to high costs. In fact, conversions from traditional to rubber-tyred lines aren't done anymore. Only construction of new rubber-tyred lines from scratch (i.e. Line 14, Grand Paris, Santiago Lines 1, 2, 5, Montreal Metro).

And word is, the new Santiago Metro Lines 3 and 6 will NOT be rubber-tyred. They will be traditional steel or iron wheeled trains, but still slated to be fully automated like Lines 1 and 14 of Paris.
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Old November 18th, 2013, 01:42 PM   #4370
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La Courneuve - 8 Mai 1945
The station opened in 1987, this is the most recent of the line 7.


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Old November 18th, 2013, 01:50 PM   #4371
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Not a bad station (looks like its been modernized), though I dislike the design of these stations (this is not the only one, as it looks similar to the St. Denis stations of Line 13, Bobigny Line 5, and the Villejuif branch of Line 7).
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Old November 18th, 2013, 11:08 PM   #4372
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The common style over the end of 70's and 80's.
A simple box with a mezzanine.
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Marcel Sembat.
Small renovation works on the platforms
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Old November 20th, 2013, 12:19 AM   #4373
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- edit
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Last edited by Minato ku; November 20th, 2013 at 03:04 AM.
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Old November 20th, 2013, 12:55 AM   #4374
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Seriously???
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Old November 20th, 2013, 03:16 AM   #4375
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Oh yes, seriously.
He even waited the cops.
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Old November 20th, 2013, 10:23 AM   #4376
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Old November 20th, 2013, 01:53 PM   #4377
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And I thought the worst things happened along the New York City subway. I guess I was sorely mistaken.
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Old November 20th, 2013, 07:23 PM   #4378
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Well it happened in the San Francisco subway:
http://blog.sfgate.com/crime/2013/06...-bart-station/
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Old November 20th, 2013, 08:34 PM   #4379
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Naked woman in Chicago's the past few days .. she thought she was a godess of something or other.

The worst for me are the couple of massively flabby upper butt crack halfs you separately encounter ahead of you on the long escalators each summer.
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Old November 20th, 2013, 09:54 PM   #4380
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I read in the news that this is a new trend.
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