Sakhalin regauging makes progress

 

News article: Sakhalin regauging makes progress

The first 1 520 mm gauge long-distance overnight passenger services on the island of Sakhalin began running on July 18, following conversion of the 500 km Vzmorye – Nogliki route from 1 067 mm to broad gauge.

  Myrtone Chief Commissioner

Location: North Carlton, Melbourne, Victoria
Apparently dual gauge track is in place during the transition, and is it true that converting between these two gauges is easier than converting from Irish gauge to standard?

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  WimbledonW Chief Train Controller

Location: Sydney
Apparently dual gauge track is in place during the transition, and is it true that converting between these two gauges is easier than converting from Irish gauge to standard?
Myrtone
The former narrow gauge was 1067mm like Japan, and the broad gauge is 1520mm like Russia. The difference of 457mm                                              is large enough to allow three-rail dual gauge.

Irish gauge and Standard gauge are too similar, only 165mm, and there are problems with 3-rail dual gauge. RP has a photo of a special clip that just works.
  YM-Mundrabilla Minister for Railways

Location: Mundrabilla but I'd rather be in Narvik
Apparently dual gauge track is in place during the transition, and is it true that converting between these two gauges is easier than converting from Irish gauge to standard?
Myrtone
Converting from BG to SG is simple (or it should be) except in Victoria.

It is BG and SG dual gauge where there are potentially problems with rail foot dimensions (??). There is also a 'perceived' problem with the flangeway gap so far as the BG is concerned in Victoria. But this physical issue is easily fixed with the imposition of an 80 km/h speed limit.Rolling Eyes
  TomBTR Chief Train Controller

Location: near Sydney
And spare a though for the countries of the former Russian empire who cannot dual gauge with their standard gauge neighbors in Korea, China, Iran, Turkey and Europe. There is an interesting gauntlet track arrangement on the Tumen River bridge that allows Russian trains into Korea and vice versa.
  WimbledonW Chief Train Controller

Location: Sydney
And spare a though for the countries of the former Russian empire who cannot dual gauge with their standard gauge neighbors in Korea, China, Iran, Turkey and Europe. There is an interesting gauntlet track arrangement on the Tumen River bridge that allows Russian trains into Korea and vice versa.
TomBTR
Standard Gauge and Russian Gauge work OK with 4 rails.
  YM-Mundrabilla Minister for Railways

Location: Mundrabilla but I'd rather be in Narvik
And spare a though for the countries of the former Russian empire who cannot dual gauge with their standard gauge neighbors in Korea, China, Iran, Turkey and Europe. There is an interesting gauntlet track arrangement on the Tumen River bridge that allows Russian trains into Korea and vice versa.
Standard Gauge and Russian Gauge work OK with 4 rails.
WimbledonW
Just about anything will work with four rails provided that the sleepers are long enough to allow sufficient gap between the two sets of rails.
Four rails is gauntleted track rather than dual gauge.
Somerton - Upfield is gauntleted track.
  Myrtone Chief Commissioner

Location: North Carlton, Melbourne, Victoria
The former narrow gauge was 1067mm like Japan, and the broad gauge is 1520mm like Russia. The difference of 457mm is large enough to allow three-rail dual gauge.
WimbledonW
Correction: The difference is enough to allow three rail dual gauge track with standard rails.

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