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International Railroad Discussion > Changing the side of the third rail ( Brazil)


Date: 08/14/22 14:37
Changing the side of the third rail ( Brazil)
Author: pedrop

Hi, I took these pictures today here in EVP yard. This is a device we call "Pombinho" to change the side of a third rail on dual gauge tracks. In this case, there is a wall too close to the tracks in the curve we see in the background in the picture 1. When this area was used only by small narrow gauge locomotives,  it wasn't a problem the third rail of meter gauge to stay on the left, but when the Dash 9s and other big models start to run here, they (and some big freight cars too) use to have problems while running too close to the wall. So, this device change the side of the narrow gauge for a strech of 200 meters of track. Then, another one like this change the side again to return to the normal position again.

Pedro Rezende
Vespasiano, MG









Date: 08/14/22 19:23
Re: Changing the side of the third rail ( Brazil)
Author: Ritzville

Interesting rail guage pictures and explantion.

Larry



Date: 08/15/22 06:12
Re: Changing the side of the third rail ( Brazil)
Author: DaveL

Pedro,
The last picture looks more like they  removed a junction...IMHO

Dave



Date: 08/15/22 06:23
Re: Changing the side of the third rail ( Brazil)
Author: pedrop

Actually it is a juncion started and never finished. I added that picture just to the fellows watch the tracks in the opposite direction.

DaveL Wrote:
-------------------------------------------------------
> Pedro,
> The last picture looks more like they  removed a
> junction...IMHO
>
> Dave

Posted from Android

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1



Edited 1 time(s). Last edit at 08/15/22 06:26 by pedrop.




Date: 08/15/22 07:14
Re: Changing the side of the third rail ( Brazil)
Author: tomstp

You could also call it a "pointless switch".



Date: 08/17/22 13:05
Re: Changing the side of the third rail ( Brazil)
Author: railstiesballast

The Denver & Rio Grande Western had at least one, in Alamosa.
They were needed where there were Wyes in particular.



Date: 09/27/22 17:12
Re: Changing the side of the third rail ( Brazil)
Author: AussieGWAdriver

We also have those in Australia in dual gauge areas. Here is a broad gauge (5ft 3in / 1600m) and standard gauge one at a turntable in the Dry Creek MPC in South Australia.

Justin






Date: 09/27/22 18:07
Re: Changing the side of the third rail ( Brazil)
Author: pedrop

Very interesting. Our is more visible because the two guages have a difference of 60 cm. But yours is interesting also. There is a branch about 70 km from here where there is a transition from three rails to four rails, with the metric gauge centralized inside the broad gauge. I never seen the point where this conversion is done because it is in a privated area.

AussieGWAdriver Wrote:
-------------------------------------------------------
> We also have those in Australia in dual gauge
> areas. Here is a broad gauge (5ft 3in / 1600m) and
> standard gauge one at a turntable in the Dry Creek
> MPC in South Australia.
>
> Justin

Posted from Android

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1



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