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#1981 rmgill

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Posted 11 February 2019 - 1000 AM

There's a stretch of 4 parallell main line track running into Philly north of Wilmington, Delaware. It's impressive as hell from the highway. I'm pretty sure it's old PRR mainline. 


Edited by rmgill, 11 February 2019 - 1000 AM.

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#1982 Stuart Galbraith

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Posted 11 February 2019 - 1003 AM

Im not very knowledgeable of US geography, but I did an update project on a line we did between Washington and New York, and I was interested to see how many of the old PRR electrical sub stations buildings were still in use. They seem to have been a good operation, coming up with infrastructure that lasted that long.


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#1983 sunday

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Posted 11 February 2019 - 1004 AM

We have 4-track stretches here. From memory, from Alcalá de Henares to Madrid. I remember of a sextuple track section in France, on the Paris-Lyon mainline, but could not find it ATM.


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#1984 Stuart Galbraith

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Posted 11 February 2019 - 1012 AM

Whilst working San Diego to La on the surfliner route I noted that what was previously double lines through San Diego had been singled and the other line used as a tramway track. Then what was previously double lines going over the border into Mexico were reduced to single track with decended into weeds and then a gate. I guess that was probably a well used route well into the 1950's, before Jetliners took over. Kind of reminded me of this movie. :D

 


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#1985 rmgill

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Posted 11 February 2019 - 1718 PM

Im not very knowledgeable of US geography, but I did an update project on a line we did between Washington and New York, and I was interested to see how many of the old PRR electrical sub stations buildings were still in use. They seem to have been a good operation, coming up with infrastructure that lasted that long.

PRR installed their own power substations and they built/designed it at 11 kVolts @ 25 Hertz, not the normal 60 hertz that the US uses. They needed the infrastructure for THEIR trains and wanted them to run no matter what so they built their own generating stations and power infrastructure where it wasn't available (a large scale grid didn't exist). They had phase converters as well and have phased those in to tap the local grid instead of running their own power stations in many places. 


Lots of info at Wikipedia
https://en.wikipedia...on_power_system


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#1986 rmgill

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Posted 11 February 2019 - 1719 PM


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#1987 sunday

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Posted 12 February 2019 - 0005 AM

Im not very knowledgeable of US geography, but I did an update project on a line we did between Washington and New York, and I was interested to see how many of the old PRR electrical sub stations buildings were still in use. They seem to have been a good operation, coming up with infrastructure that lasted that long.

PRR installed their own power substations and they built/designed it at 11 kVolts @ 25 Hertz, not the normal 60 hertz that the US uses. They needed the infrastructure for THEIR trains and wanted them to run no matter what so they built their own generating stations and power infrastructure where it wasn't available (a large scale grid didn't exist). They had phase converters as well and have phased those in to tap the local grid instead of running their own power stations in many places. 


Lots of info at Wikipedia
https://en.wikipedia...on_power_system


That Wikipedia article is very good.
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#1988 Mr King

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Posted 14 February 2019 - 0823 AM

2xezM4a.jpg​


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#1989 rmgill

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Posted 14 February 2019 - 0935 AM

Note the insulators under the platform. It also looks like it does telescope. The upper stage is inside the lower stage.

Edited by rmgill, 14 February 2019 - 0935 AM.

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#1990 Stuart Galbraith

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Posted Yesterday, 08:55 AM

Cant remember if I posted this before. A rail classic.

 


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#1991 Mr King

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Posted Yesterday, 11:52 AM

Good vid Stuart 

 ATi3lSu.jpg​


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