What's this piece of rolling stock for?
And...
Is this the little car I see parked under a tin shed in the far back corner of the oakland yard?
http://world.nycsubway.org/perl/show?19639
jbap21
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PollWould you all be happy with Configuration C or Configuration B for the new BART Cars?
1. Concept C http://bart.gov/docs/cars/interiorConepage.pdf
83%
2. Concept B http://bart.gov/docs/cars/interiorBonepage.pdf
17%
3. Concept D http://bart.gov/news/articles/2012/news20120112.aspx
0%
Total votes: 6
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What's this piece of rolling stock for?And... http://world.nycsubway.org/perl/show?19639 jbap21 |
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well it says "Power and Way
well it says "Power and Way Department" and "Track Geometry Car" so maybe it rolls around the system and make sure all the tracks are laid properly and not damaged or something... just a guess
Actually, it's the shuttle
Actually, it's the shuttle craft Galileo that was taken off the Enterprise a few years ago.
Sorry, I just couldn't help it. Track alignment on BART as with any railroad is critical for safety and general maintenance. Because BART's track is "broad gauge" rather than standard gauge and the fact it runs through both urban and suburban settings (very tight curves such as the Oakland "Y") and very dramatic climatic and geologic (faults) ranges, underground (subway), tunnel, underwater, at grade and aerial tracks there's a constant need to tweek the rails. Just remember that between the wheel's flange face to the edge is no more than 2" - that's not a lot of wiggle room on tight curves. With the exception of platform tracks and straight-away runs, the rails are slightly banked on the curves requiring critical measurements.